codemirror: bumped to version 5.49.2

rhodecode/public/js/mode/fcl/fcl.js

@@ -0,0 +1,173 b''
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+"use strict";
+
+CodeMirror.defineMode("fcl", function(config) {
+  var indentUnit = config.indentUnit;
+
+  var keywords = {
+      "term": true,
+      "method": true, "accu": true,
+      "rule": true, "then": true, "is": true, "and": true, "or": true,
+      "if": true, "default": true
+  };
+
+  var start_blocks = {
+      "var_input": true,
+      "var_output": true,
+      "fuzzify": true,
+      "defuzzify": true,
+      "function_block": true,
+      "ruleblock": true
+  };
+
+  var end_blocks = {
+      "end_ruleblock": true,
+      "end_defuzzify": true,
+      "end_function_block": true,
+      "end_fuzzify": true,
+      "end_var": true
+  };
+
+  var atoms = {
+      "true": true, "false": true, "nan": true,
+      "real": true, "min": true, "max": true, "cog": true, "cogs": true
+  };
+
+  var isOperatorChar = /[+\-*&^%:=<>!|\/]/;
+
+  function tokenBase(stream, state) {
+    var ch = stream.next();
+
+    if (/[\d\.]/.test(ch)) {
+      if (ch == ".") {
+        stream.match(/^[0-9]+([eE][\-+]?[0-9]+)?/);
+      } else if (ch == "0") {
+        stream.match(/^[xX][0-9a-fA-F]+/) || stream.match(/^0[0-7]+/);
+      } else {
+        stream.match(/^[0-9]*\.?[0-9]*([eE][\-+]?[0-9]+)?/);
+      }
+      return "number";
+    }
+
+    if (ch == "/" || ch == "(") {
+      if (stream.eat("*")) {
+        state.tokenize = tokenComment;
+        return tokenComment(stream, state);
+      }
+      if (stream.eat("/")) {
+        stream.skipToEnd();
+        return "comment";
+      }
+    }
+    if (isOperatorChar.test(ch)) {
+      stream.eatWhile(isOperatorChar);
+      return "operator";
+    }
+    stream.eatWhile(/[\w\$_\xa1-\uffff]/);
+
+    var cur = stream.current().toLowerCase();
+    if (keywords.propertyIsEnumerable(cur) ||
+        start_blocks.propertyIsEnumerable(cur) ||
+        end_blocks.propertyIsEnumerable(cur)) {
+      return "keyword";
+    }
+    if (atoms.propertyIsEnumerable(cur)) return "atom";
+    return "variable";
+  }
+
+
+  function tokenComment(stream, state) {
+    var maybeEnd = false, ch;
+    while (ch = stream.next()) {
+      if ((ch == "/" || ch == ")") && maybeEnd) {
+        state.tokenize = tokenBase;
+        break;
+      }
+      maybeEnd = (ch == "*");
+    }
+    return "comment";
+  }
+
+  function Context(indented, column, type, align, prev) {
+    this.indented = indented;
+    this.column = column;
+    this.type = type;
+    this.align = align;
+    this.prev = prev;
+  }
+
+  function pushContext(state, col, type) {
+    return state.context = new Context(state.indented, col, type, null, state.context);
+  }
+
+  function popContext(state) {
+    if (!state.context.prev) return;
+    var t = state.context.type;
+    if (t == "end_block")
+      state.indented = state.context.indented;
+    return state.context = state.context.prev;
+  }
+
+  // Interface
+
+  return {
+    startState: function(basecolumn) {
+      return {
+        tokenize: null,
+        context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
+        indented: 0,
+        startOfLine: true
+      };
+    },
+
+    token: function(stream, state) {
+        var ctx = state.context;
+        if (stream.sol()) {
+            if (ctx.align == null) ctx.align = false;
+            state.indented = stream.indentation();
+            state.startOfLine = true;
+        }
+        if (stream.eatSpace()) return null;
+
+        var style = (state.tokenize || tokenBase)(stream, state);
+        if (style == "comment") return style;
+        if (ctx.align == null) ctx.align = true;
+
+        var cur = stream.current().toLowerCase();
+
+        if (start_blocks.propertyIsEnumerable(cur)) pushContext(state, stream.column(), "end_block");
+        else if (end_blocks.propertyIsEnumerable(cur))  popContext(state);
+
+        state.startOfLine = false;
+        return style;
+    },
+
+    indent: function(state, textAfter) {
+      if (state.tokenize != tokenBase && state.tokenize != null) return 0;
+      var ctx = state.context;
+
+      var closing = end_blocks.propertyIsEnumerable(textAfter);
+      if (ctx.align) return ctx.column + (closing ? 0 : 1);
+      else return ctx.indented + (closing ? 0 : indentUnit);
+    },
+
+    electricChars: "ryk",
+    fold: "brace",
+    blockCommentStart: "(*",
+    blockCommentEnd: "*)",
+    lineComment: "//"
+  };
+});
+
+CodeMirror.defineMIME("text/x-fcl", "fcl");
+});

rhodecode/public/js/mode/mbox/mbox.js

@@ -0,0 +1,129 b''
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+"use strict";
+
+var rfc2822 = [
+  "From", "Sender", "Reply-To", "To", "Cc", "Bcc", "Message-ID",
+  "In-Reply-To", "References", "Resent-From", "Resent-Sender", "Resent-To",
+  "Resent-Cc", "Resent-Bcc", "Resent-Message-ID", "Return-Path", "Received"
+];
+var rfc2822NoEmail = [
+  "Date", "Subject", "Comments", "Keywords", "Resent-Date"
+];
+
+CodeMirror.registerHelper("hintWords", "mbox", rfc2822.concat(rfc2822NoEmail));
+
+var whitespace = /^[ \t]/;
+var separator = /^From /; // See RFC 4155
+var rfc2822Header = new RegExp("^(" + rfc2822.join("|") + "): ");
+var rfc2822HeaderNoEmail = new RegExp("^(" + rfc2822NoEmail.join("|") + "): ");
+var header = /^[^:]+:/; // Optional fields defined in RFC 2822
+var email = /^[^ ]+@[^ ]+/;
+var untilEmail = /^.*?(?=[^ ]+?@[^ ]+)/;
+var bracketedEmail = /^<.*?>/;
+var untilBracketedEmail = /^.*?(?=<.*>)/;
+
+function styleForHeader(header) {
+  if (header === "Subject") return "header";
+  return "string";
+}
+
+function readToken(stream, state) {
+  if (stream.sol()) {
+    // From last line
+    state.inSeparator = false;
+    if (state.inHeader && stream.match(whitespace)) {
+      // Header folding
+      return null;
+    } else {
+      state.inHeader = false;
+      state.header = null;
+    }
+
+    if (stream.match(separator)) {
+      state.inHeaders = true;
+      state.inSeparator = true;
+      return "atom";
+    }
+
+    var match;
+    var emailPermitted = false;
+    if ((match = stream.match(rfc2822HeaderNoEmail)) ||
+        (emailPermitted = true) && (match = stream.match(rfc2822Header))) {
+      state.inHeaders = true;
+      state.inHeader = true;
+      state.emailPermitted = emailPermitted;
+      state.header = match[1];
+      return "atom";
+    }
+
+    // Use vim's heuristics: recognize custom headers only if the line is in a
+    // block of legitimate headers.
+    if (state.inHeaders && (match = stream.match(header))) {
+      state.inHeader = true;
+      state.emailPermitted = true;
+      state.header = match[1];
+      return "atom";
+    }
+
+    state.inHeaders = false;
+    stream.skipToEnd();
+    return null;
+  }
+
+  if (state.inSeparator) {
+    if (stream.match(email)) return "link";
+    if (stream.match(untilEmail)) return "atom";
+    stream.skipToEnd();
+    return "atom";
+  }
+
+  if (state.inHeader) {
+    var style = styleForHeader(state.header);
+
+    if (state.emailPermitted) {
+      if (stream.match(bracketedEmail)) return style + " link";
+      if (stream.match(untilBracketedEmail)) return style;
+    }
+    stream.skipToEnd();
+    return style;
+  }
+
+  stream.skipToEnd();
+  return null;
+};
+
+CodeMirror.defineMode("mbox", function() {
+  return {
+    startState: function() {
+      return {
+        // Is in a mbox separator
+        inSeparator: false,
+        // Is in a mail header
+        inHeader: false,
+        // If bracketed email is permitted. Only applicable when inHeader
+        emailPermitted: false,
+        // Name of current header
+        header: null,
+        // Is in a region of mail headers
+        inHeaders: false
+      };
+    },
+    token: readToken,
+    blankLine: function(state) {
+      state.inHeaders = state.inSeparator = state.inHeader = false;
+    }
+  };
+});
+
+CodeMirror.defineMIME("application/mbox", "mbox");
+});

rhodecode/public/js/mode/powershell/powershell.js

@@ -0,0 +1,398 b''
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/LICENSE
+
+(function(mod) {
+  'use strict';
+  if (typeof exports == 'object' && typeof module == 'object') // CommonJS
+    mod(require('../../lib/codemirror'));
+  else if (typeof define == 'function' && define.amd) // AMD
+    define(['../../lib/codemirror'], mod);
+  else // Plain browser env
+    mod(window.CodeMirror);
+})(function(CodeMirror) {
+'use strict';
+
+CodeMirror.defineMode('powershell', function() {
+  function buildRegexp(patterns, options) {
+    options = options || {};
+    var prefix = options.prefix !== undefined ? options.prefix : '^';
+    var suffix = options.suffix !== undefined ? options.suffix : '\\b';
+
+    for (var i = 0; i < patterns.length; i++) {
+      if (patterns[i] instanceof RegExp) {
+        patterns[i] = patterns[i].source;
+      }
+      else {
+        patterns[i] = patterns[i].replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
+      }
+    }
+
+    return new RegExp(prefix + '(' + patterns.join('|') + ')' + suffix, 'i');
+  }
+
+  var notCharacterOrDash = '(?=[^A-Za-z\\d\\-_]|$)';
+  var varNames = /[\w\-:]/
+  var keywords = buildRegexp([
+    /begin|break|catch|continue|data|default|do|dynamicparam/,
+    /else|elseif|end|exit|filter|finally|for|foreach|from|function|if|in/,
+    /param|process|return|switch|throw|trap|try|until|where|while/
+  ], { suffix: notCharacterOrDash });
+
+  var punctuation = /[\[\]{},;`\.]|@[({]/;
+  var wordOperators = buildRegexp([
+    'f',
+    /b?not/,
+    /[ic]?split/, 'join',
+    /is(not)?/, 'as',
+    /[ic]?(eq|ne|[gl][te])/,
+    /[ic]?(not)?(like|match|contains)/,
+    /[ic]?replace/,
+    /b?(and|or|xor)/
+  ], { prefix: '-' });
+  var symbolOperators = /[+\-*\/%]=|\+\+|--|\.\.|[+\-*&^%:=!|\/]|<(?!#)|(?!#)>/;
+  var operators = buildRegexp([wordOperators, symbolOperators], { suffix: '' });
+
+  var numbers = /^((0x[\da-f]+)|((\d+\.\d+|\d\.|\.\d+|\d+)(e[\+\-]?\d+)?))[ld]?([kmgtp]b)?/i;
+
+  var identifiers = /^[A-Za-z\_][A-Za-z\-\_\d]*\b/;
+
+  var symbolBuiltins = /[A-Z]:|%|\?/i;
+  var namedBuiltins = buildRegexp([
+    /Add-(Computer|Content|History|Member|PSSnapin|Type)/,
+    /Checkpoint-Computer/,
+    /Clear-(Content|EventLog|History|Host|Item(Property)?|Variable)/,
+    /Compare-Object/,
+    /Complete-Transaction/,
+    /Connect-PSSession/,
+    /ConvertFrom-(Csv|Json|SecureString|StringData)/,
+    /Convert-Path/,
+    /ConvertTo-(Csv|Html|Json|SecureString|Xml)/,
+    /Copy-Item(Property)?/,
+    /Debug-Process/,
+    /Disable-(ComputerRestore|PSBreakpoint|PSRemoting|PSSessionConfiguration)/,
+    /Disconnect-PSSession/,
+    /Enable-(ComputerRestore|PSBreakpoint|PSRemoting|PSSessionConfiguration)/,
+    /(Enter|Exit)-PSSession/,
+    /Export-(Alias|Clixml|Console|Counter|Csv|FormatData|ModuleMember|PSSession)/,
+    /ForEach-Object/,
+    /Format-(Custom|List|Table|Wide)/,
+    new RegExp('Get-(Acl|Alias|AuthenticodeSignature|ChildItem|Command|ComputerRestorePoint|Content|ControlPanelItem|Counter|Credential'
+      + '|Culture|Date|Event|EventLog|EventSubscriber|ExecutionPolicy|FormatData|Help|History|Host|HotFix|Item|ItemProperty|Job'
+      + '|Location|Member|Module|PfxCertificate|Process|PSBreakpoint|PSCallStack|PSDrive|PSProvider|PSSession|PSSessionConfiguration'
+      + '|PSSnapin|Random|Service|TraceSource|Transaction|TypeData|UICulture|Unique|Variable|Verb|WinEvent|WmiObject)'),
+    /Group-Object/,
+    /Import-(Alias|Clixml|Counter|Csv|LocalizedData|Module|PSSession)/,
+    /ImportSystemModules/,
+    /Invoke-(Command|Expression|History|Item|RestMethod|WebRequest|WmiMethod)/,
+    /Join-Path/,
+    /Limit-EventLog/,
+    /Measure-(Command|Object)/,
+    /Move-Item(Property)?/,
+    new RegExp('New-(Alias|Event|EventLog|Item(Property)?|Module|ModuleManifest|Object|PSDrive|PSSession|PSSessionConfigurationFile'
+      + '|PSSessionOption|PSTransportOption|Service|TimeSpan|Variable|WebServiceProxy|WinEvent)'),
+    /Out-(Default|File|GridView|Host|Null|Printer|String)/,
+    /Pause/,
+    /(Pop|Push)-Location/,
+    /Read-Host/,
+    /Receive-(Job|PSSession)/,
+    /Register-(EngineEvent|ObjectEvent|PSSessionConfiguration|WmiEvent)/,
+    /Remove-(Computer|Event|EventLog|Item(Property)?|Job|Module|PSBreakpoint|PSDrive|PSSession|PSSnapin|TypeData|Variable|WmiObject)/,
+    /Rename-(Computer|Item(Property)?)/,
+    /Reset-ComputerMachinePassword/,
+    /Resolve-Path/,
+    /Restart-(Computer|Service)/,
+    /Restore-Computer/,
+    /Resume-(Job|Service)/,
+    /Save-Help/,
+    /Select-(Object|String|Xml)/,
+    /Send-MailMessage/,
+    new RegExp('Set-(Acl|Alias|AuthenticodeSignature|Content|Date|ExecutionPolicy|Item(Property)?|Location|PSBreakpoint|PSDebug' +
+               '|PSSessionConfiguration|Service|StrictMode|TraceSource|Variable|WmiInstance)'),
+    /Show-(Command|ControlPanelItem|EventLog)/,
+    /Sort-Object/,
+    /Split-Path/,
+    /Start-(Job|Process|Service|Sleep|Transaction|Transcript)/,
+    /Stop-(Computer|Job|Process|Service|Transcript)/,
+    /Suspend-(Job|Service)/,
+    /TabExpansion2/,
+    /Tee-Object/,
+    /Test-(ComputerSecureChannel|Connection|ModuleManifest|Path|PSSessionConfigurationFile)/,
+    /Trace-Command/,
+    /Unblock-File/,
+    /Undo-Transaction/,
+    /Unregister-(Event|PSSessionConfiguration)/,
+    /Update-(FormatData|Help|List|TypeData)/,
+    /Use-Transaction/,
+    /Wait-(Event|Job|Process)/,
+    /Where-Object/,
+    /Write-(Debug|Error|EventLog|Host|Output|Progress|Verbose|Warning)/,
+    /cd|help|mkdir|more|oss|prompt/,
+    /ac|asnp|cat|cd|chdir|clc|clear|clhy|cli|clp|cls|clv|cnsn|compare|copy|cp|cpi|cpp|cvpa|dbp|del|diff|dir|dnsn|ebp/,
+    /echo|epal|epcsv|epsn|erase|etsn|exsn|fc|fl|foreach|ft|fw|gal|gbp|gc|gci|gcm|gcs|gdr|ghy|gi|gjb|gl|gm|gmo|gp|gps/,
+    /group|gsn|gsnp|gsv|gu|gv|gwmi|h|history|icm|iex|ihy|ii|ipal|ipcsv|ipmo|ipsn|irm|ise|iwmi|iwr|kill|lp|ls|man|md/,
+    /measure|mi|mount|move|mp|mv|nal|ndr|ni|nmo|npssc|nsn|nv|ogv|oh|popd|ps|pushd|pwd|r|rbp|rcjb|rcsn|rd|rdr|ren|ri/,
+    /rjb|rm|rmdir|rmo|rni|rnp|rp|rsn|rsnp|rujb|rv|rvpa|rwmi|sajb|sal|saps|sasv|sbp|sc|select|set|shcm|si|sl|sleep|sls/,
+    /sort|sp|spjb|spps|spsv|start|sujb|sv|swmi|tee|trcm|type|where|wjb|write/
+  ], { prefix: '', suffix: '' });
+  var variableBuiltins = buildRegexp([
+    /[$?^_]|Args|ConfirmPreference|ConsoleFileName|DebugPreference|Error|ErrorActionPreference|ErrorView|ExecutionContext/,
+    /FormatEnumerationLimit|Home|Host|Input|MaximumAliasCount|MaximumDriveCount|MaximumErrorCount|MaximumFunctionCount/,
+    /MaximumHistoryCount|MaximumVariableCount|MyInvocation|NestedPromptLevel|OutputEncoding|Pid|Profile|ProgressPreference/,
+    /PSBoundParameters|PSCommandPath|PSCulture|PSDefaultParameterValues|PSEmailServer|PSHome|PSScriptRoot|PSSessionApplicationName/,
+    /PSSessionConfigurationName|PSSessionOption|PSUICulture|PSVersionTable|Pwd|ShellId|StackTrace|VerbosePreference/,
+    /WarningPreference|WhatIfPreference/,
+
+    /Event|EventArgs|EventSubscriber|Sender/,
+    /Matches|Ofs|ForEach|LastExitCode|PSCmdlet|PSItem|PSSenderInfo|This/,
+    /true|false|null/
+  ], { prefix: '\\$', suffix: '' });
+
+  var builtins = buildRegexp([symbolBuiltins, namedBuiltins, variableBuiltins], { suffix: notCharacterOrDash });
+
+  var grammar = {
+    keyword: keywords,
+    number: numbers,
+    operator: operators,
+    builtin: builtins,
+    punctuation: punctuation,
+    identifier: identifiers
+  };
+
+  // tokenizers
+  function tokenBase(stream, state) {
+    // Handle Comments
+    //var ch = stream.peek();
+
+    var parent = state.returnStack[state.returnStack.length - 1];
+    if (parent && parent.shouldReturnFrom(state)) {
+      state.tokenize = parent.tokenize;
+      state.returnStack.pop();
+      return state.tokenize(stream, state);
+    }
+
+    if (stream.eatSpace()) {
+      return null;
+    }
+
+    if (stream.eat('(')) {
+      state.bracketNesting += 1;
+      return 'punctuation';
+    }
+
+    if (stream.eat(')')) {
+      state.bracketNesting -= 1;
+      return 'punctuation';
+    }
+
+    for (var key in grammar) {
+      if (stream.match(grammar[key])) {
+        return key;
+      }
+    }
+
+    var ch = stream.next();
+
+    // single-quote string
+    if (ch === "'") {
+      return tokenSingleQuoteString(stream, state);
+    }
+
+    if (ch === '$') {
+      return tokenVariable(stream, state);
+    }
+
+    // double-quote string
+    if (ch === '"') {
+      return tokenDoubleQuoteString(stream, state);
+    }
+
+    if (ch === '<' && stream.eat('#')) {
+      state.tokenize = tokenComment;
+      return tokenComment(stream, state);
+    }
+
+    if (ch === '#') {
+      stream.skipToEnd();
+      return 'comment';
+    }
+
+    if (ch === '@') {
+      var quoteMatch = stream.eat(/["']/);
+      if (quoteMatch && stream.eol()) {
+        state.tokenize = tokenMultiString;
+        state.startQuote = quoteMatch[0];
+        return tokenMultiString(stream, state);
+      } else if (stream.eol()) {
+        return 'error';
+      } else if (stream.peek().match(/[({]/)) {
+        return 'punctuation';
+      } else if (stream.peek().match(varNames)) {
+        // splatted variable
+        return tokenVariable(stream, state);
+      }
+    }
+    return 'error';
+  }
+
+  function tokenSingleQuoteString(stream, state) {
+    var ch;
+    while ((ch = stream.peek()) != null) {
+      stream.next();
+
+      if (ch === "'" && !stream.eat("'")) {
+        state.tokenize = tokenBase;
+        return 'string';
+      }
+    }
+
+    return 'error';
+  }
+
+  function tokenDoubleQuoteString(stream, state) {
+    var ch;
+    while ((ch = stream.peek()) != null) {
+      if (ch === '$') {
+        state.tokenize = tokenStringInterpolation;
+        return 'string';
+      }
+
+      stream.next();
+      if (ch === '`') {
+        stream.next();
+        continue;
+      }
+
+      if (ch === '"' && !stream.eat('"')) {
+        state.tokenize = tokenBase;
+        return 'string';
+      }
+    }
+
+    return 'error';
+  }
+
+  function tokenStringInterpolation(stream, state) {
+    return tokenInterpolation(stream, state, tokenDoubleQuoteString);
+  }
+
+  function tokenMultiStringReturn(stream, state) {
+    state.tokenize = tokenMultiString;
+    state.startQuote = '"'
+    return tokenMultiString(stream, state);
+  }
+
+  function tokenHereStringInterpolation(stream, state) {
+    return tokenInterpolation(stream, state, tokenMultiStringReturn);
+  }
+
+  function tokenInterpolation(stream, state, parentTokenize) {
+    if (stream.match('$(')) {
+      var savedBracketNesting = state.bracketNesting;
+      state.returnStack.push({
+        /*jshint loopfunc:true */
+        shouldReturnFrom: function(state) {
+          return state.bracketNesting === savedBracketNesting;
+        },
+        tokenize: parentTokenize
+      });
+      state.tokenize = tokenBase;
+      state.bracketNesting += 1;
+      return 'punctuation';
+    } else {
+      stream.next();
+      state.returnStack.push({
+        shouldReturnFrom: function() { return true; },
+        tokenize: parentTokenize
+      });
+      state.tokenize = tokenVariable;
+      return state.tokenize(stream, state);
+    }
+  }
+
+  function tokenComment(stream, state) {
+    var maybeEnd = false, ch;
+    while ((ch = stream.next()) != null) {
+      if (maybeEnd && ch == '>') {
+          state.tokenize = tokenBase;
+          break;
+      }
+      maybeEnd = (ch === '#');
+    }
+    return 'comment';
+  }
+
+  function tokenVariable(stream, state) {
+    var ch = stream.peek();
+    if (stream.eat('{')) {
+      state.tokenize = tokenVariableWithBraces;
+      return tokenVariableWithBraces(stream, state);
+    } else if (ch != undefined && ch.match(varNames)) {
+      stream.eatWhile(varNames);
+      state.tokenize = tokenBase;
+      return 'variable-2';
+    } else {
+      state.tokenize = tokenBase;
+      return 'error';
+    }
+  }
+
+  function tokenVariableWithBraces(stream, state) {
+    var ch;
+    while ((ch = stream.next()) != null) {
+      if (ch === '}') {
+        state.tokenize = tokenBase;
+        break;
+      }
+    }
+    return 'variable-2';
+  }
+
+  function tokenMultiString(stream, state) {
+    var quote = state.startQuote;
+    if (stream.sol() && stream.match(new RegExp(quote + '@'))) {
+      state.tokenize = tokenBase;
+    }
+    else if (quote === '"') {
+      while (!stream.eol()) {
+        var ch = stream.peek();
+        if (ch === '$') {
+          state.tokenize = tokenHereStringInterpolation;
+          return 'string';
+        }
+
+        stream.next();
+        if (ch === '`') {
+          stream.next();
+        }
+      }
+    }
+    else {
+      stream.skipToEnd();
+    }
+
+    return 'string';
+  }
+
+  var external = {
+    startState: function() {
+      return {
+        returnStack: [],
+        bracketNesting: 0,
+        tokenize: tokenBase
+      };
+    },
+
+    token: function(stream, state) {
+      return state.tokenize(stream, state);
+    },
+
+    blockCommentStart: '<#',
+    blockCommentEnd: '#>',
+    lineComment: '#',
+    fold: 'brace'
+  };
+  return external;
+});
+
+CodeMirror.defineMIME('application/x-powershell', 'powershell');
+});

rhodecode/public/js/mode/protobuf/protobuf.js

@@ -0,0 +1,69 b''
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+  "use strict";
+
+  function wordRegexp(words) {
+    return new RegExp("^((" + words.join(")|(") + "))\\b", "i");
+  };
+
+  var keywordArray = [
+    "package", "message", "import", "syntax",
+    "required", "optional", "repeated", "reserved", "default", "extensions", "packed",
+    "bool", "bytes", "double", "enum", "float", "string",
+    "int32", "int64", "uint32", "uint64", "sint32", "sint64", "fixed32", "fixed64", "sfixed32", "sfixed64",
+    "option", "service", "rpc", "returns"
+  ];
+  var keywords = wordRegexp(keywordArray);
+
+  CodeMirror.registerHelper("hintWords", "protobuf", keywordArray);
+
+  var identifiers = new RegExp("^[_A-Za-z\xa1-\uffff][_A-Za-z0-9\xa1-\uffff]*");
+
+  function tokenBase(stream) {
+    // whitespaces
+    if (stream.eatSpace()) return null;
+
+    // Handle one line Comments
+    if (stream.match("//")) {
+      stream.skipToEnd();
+      return "comment";
+    }
+
+    // Handle Number Literals
+    if (stream.match(/^[0-9\.+-]/, false)) {
+      if (stream.match(/^[+-]?0x[0-9a-fA-F]+/))
+        return "number";
+      if (stream.match(/^[+-]?\d*\.\d+([EeDd][+-]?\d+)?/))
+        return "number";
+      if (stream.match(/^[+-]?\d+([EeDd][+-]?\d+)?/))
+        return "number";
+    }
+
+    // Handle Strings
+    if (stream.match(/^"([^"]|(""))*"/)) { return "string"; }
+    if (stream.match(/^'([^']|(''))*'/)) { return "string"; }
+
+    // Handle words
+    if (stream.match(keywords)) { return "keyword"; }
+    if (stream.match(identifiers)) { return "variable"; } ;
+
+    // Handle non-detected items
+    stream.next();
+    return null;
+  };
+
+  CodeMirror.defineMode("protobuf", function() {
+    return {token: tokenBase};
+  });
+
+  CodeMirror.defineMIME("text/x-protobuf", "protobuf");
+});

rhodecode/public/js/mode/pug/pug.js

@@ -0,0 +1,591 b''
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"), require("../javascript/javascript"), require("../css/css"), require("../htmlmixed/htmlmixed"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror", "../javascript/javascript", "../css/css", "../htmlmixed/htmlmixed"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+"use strict";
+
+CodeMirror.defineMode("pug", function (config) {
+  // token types
+  var KEYWORD = 'keyword';
+  var DOCTYPE = 'meta';
+  var ID = 'builtin';
+  var CLASS = 'qualifier';
+
+  var ATTRS_NEST = {
+    '{': '}',
+    '(': ')',
+    '[': ']'
+  };
+
+  var jsMode = CodeMirror.getMode(config, 'javascript');
+
+  function State() {
+    this.javaScriptLine = false;
+    this.javaScriptLineExcludesColon = false;
+
+    this.javaScriptArguments = false;
+    this.javaScriptArgumentsDepth = 0;
+
+    this.isInterpolating = false;
+    this.interpolationNesting = 0;
+
+    this.jsState = CodeMirror.startState(jsMode);
+
+    this.restOfLine = '';
+
+    this.isIncludeFiltered = false;
+    this.isEach = false;
+
+    this.lastTag = '';
+    this.scriptType = '';
+
+    // Attributes Mode
+    this.isAttrs = false;
+    this.attrsNest = [];
+    this.inAttributeName = true;
+    this.attributeIsType = false;
+    this.attrValue = '';
+
+    // Indented Mode
+    this.indentOf = Infinity;
+    this.indentToken = '';
+
+    this.innerMode = null;
+    this.innerState = null;
+
+    this.innerModeForLine = false;
+  }
+  /**
+   * Safely copy a state
+   *
+   * @return {State}
+   */
+  State.prototype.copy = function () {
+    var res = new State();
+    res.javaScriptLine = this.javaScriptLine;
+    res.javaScriptLineExcludesColon = this.javaScriptLineExcludesColon;
+    res.javaScriptArguments = this.javaScriptArguments;
+    res.javaScriptArgumentsDepth = this.javaScriptArgumentsDepth;
+    res.isInterpolating = this.isInterpolating;
+    res.interpolationNesting = this.interpolationNesting;
+
+    res.jsState = CodeMirror.copyState(jsMode, this.jsState);
+
+    res.innerMode = this.innerMode;
+    if (this.innerMode && this.innerState) {
+      res.innerState = CodeMirror.copyState(this.innerMode, this.innerState);
+    }
+
+    res.restOfLine = this.restOfLine;
+
+    res.isIncludeFiltered = this.isIncludeFiltered;
+    res.isEach = this.isEach;
+    res.lastTag = this.lastTag;
+    res.scriptType = this.scriptType;
+    res.isAttrs = this.isAttrs;
+    res.attrsNest = this.attrsNest.slice();
+    res.inAttributeName = this.inAttributeName;
+    res.attributeIsType = this.attributeIsType;
+    res.attrValue = this.attrValue;
+    res.indentOf = this.indentOf;
+    res.indentToken = this.indentToken;
+
+    res.innerModeForLine = this.innerModeForLine;
+
+    return res;
+  };
+
+  function javaScript(stream, state) {
+    if (stream.sol()) {
+      // if javaScriptLine was set at end of line, ignore it
+      state.javaScriptLine = false;
+      state.javaScriptLineExcludesColon = false;
+    }
+    if (state.javaScriptLine) {
+      if (state.javaScriptLineExcludesColon && stream.peek() === ':') {
+        state.javaScriptLine = false;
+        state.javaScriptLineExcludesColon = false;
+        return;
+      }
+      var tok = jsMode.token(stream, state.jsState);
+      if (stream.eol()) state.javaScriptLine = false;
+      return tok || true;
+    }
+  }
+  function javaScriptArguments(stream, state) {
+    if (state.javaScriptArguments) {
+      if (state.javaScriptArgumentsDepth === 0 && stream.peek() !== '(') {
+        state.javaScriptArguments = false;
+        return;
+      }
+      if (stream.peek() === '(') {
+        state.javaScriptArgumentsDepth++;
+      } else if (stream.peek() === ')') {
+        state.javaScriptArgumentsDepth--;
+      }
+      if (state.javaScriptArgumentsDepth === 0) {
+        state.javaScriptArguments = false;
+        return;
+      }
+
+      var tok = jsMode.token(stream, state.jsState);
+      return tok || true;
+    }
+  }
+
+  function yieldStatement(stream) {
+    if (stream.match(/^yield\b/)) {
+        return 'keyword';
+    }
+  }
+
+  function doctype(stream) {
+    if (stream.match(/^(?:doctype) *([^\n]+)?/)) {
+        return DOCTYPE;
+    }
+  }
+
+  function interpolation(stream, state) {
+    if (stream.match('#{')) {
+      state.isInterpolating = true;
+      state.interpolationNesting = 0;
+      return 'punctuation';
+    }
+  }
+
+  function interpolationContinued(stream, state) {
+    if (state.isInterpolating) {
+      if (stream.peek() === '}') {
+        state.interpolationNesting--;
+        if (state.interpolationNesting < 0) {
+          stream.next();
+          state.isInterpolating = false;
+          return 'punctuation';
+        }
+      } else if (stream.peek() === '{') {
+        state.interpolationNesting++;
+      }
+      return jsMode.token(stream, state.jsState) || true;
+    }
+  }
+
+  function caseStatement(stream, state) {
+    if (stream.match(/^case\b/)) {
+      state.javaScriptLine = true;
+      return KEYWORD;
+    }
+  }
+
+  function when(stream, state) {
+    if (stream.match(/^when\b/)) {
+      state.javaScriptLine = true;
+      state.javaScriptLineExcludesColon = true;
+      return KEYWORD;
+    }
+  }
+
+  function defaultStatement(stream) {
+    if (stream.match(/^default\b/)) {
+      return KEYWORD;
+    }
+  }
+
+  function extendsStatement(stream, state) {
+    if (stream.match(/^extends?\b/)) {
+      state.restOfLine = 'string';
+      return KEYWORD;
+    }
+  }
+
+  function append(stream, state) {
+    if (stream.match(/^append\b/)) {
+      state.restOfLine = 'variable';
+      return KEYWORD;
+    }
+  }
+  function prepend(stream, state) {
+    if (stream.match(/^prepend\b/)) {
+      state.restOfLine = 'variable';
+      return KEYWORD;
+    }
+  }
+  function block(stream, state) {
+    if (stream.match(/^block\b *(?:(prepend|append)\b)?/)) {
+      state.restOfLine = 'variable';
+      return KEYWORD;
+    }
+  }
+
+  function include(stream, state) {
+    if (stream.match(/^include\b/)) {
+      state.restOfLine = 'string';
+      return KEYWORD;
+    }
+  }
+
+  function includeFiltered(stream, state) {
+    if (stream.match(/^include:([a-zA-Z0-9\-]+)/, false) && stream.match('include')) {
+      state.isIncludeFiltered = true;
+      return KEYWORD;
+    }
+  }
+
+  function includeFilteredContinued(stream, state) {
+    if (state.isIncludeFiltered) {
+      var tok = filter(stream, state);
+      state.isIncludeFiltered = false;
+      state.restOfLine = 'string';
+      return tok;
+    }
+  }
+
+  function mixin(stream, state) {
+    if (stream.match(/^mixin\b/)) {
+      state.javaScriptLine = true;
+      return KEYWORD;
+    }
+  }
+
+  function call(stream, state) {
+    if (stream.match(/^\+([-\w]+)/)) {
+      if (!stream.match(/^\( *[-\w]+ *=/, false)) {
+        state.javaScriptArguments = true;
+        state.javaScriptArgumentsDepth = 0;
+      }
+      return 'variable';
+    }
+    if (stream.match(/^\+#{/, false)) {
+      stream.next();
+      state.mixinCallAfter = true;
+      return interpolation(stream, state);
+    }
+  }
+  function callArguments(stream, state) {
+    if (state.mixinCallAfter) {
+      state.mixinCallAfter = false;
+      if (!stream.match(/^\( *[-\w]+ *=/, false)) {
+        state.javaScriptArguments = true;
+        state.javaScriptArgumentsDepth = 0;
+      }
+      return true;
+    }
+  }
+
+  function conditional(stream, state) {
+    if (stream.match(/^(if|unless|else if|else)\b/)) {
+      state.javaScriptLine = true;
+      return KEYWORD;
+    }
+  }
+
+  function each(stream, state) {
+    if (stream.match(/^(- *)?(each|for)\b/)) {
+      state.isEach = true;
+      return KEYWORD;
+    }
+  }
+  function eachContinued(stream, state) {
+    if (state.isEach) {
+      if (stream.match(/^ in\b/)) {
+        state.javaScriptLine = true;
+        state.isEach = false;
+        return KEYWORD;
+      } else if (stream.sol() || stream.eol()) {
+        state.isEach = false;
+      } else if (stream.next()) {
+        while (!stream.match(/^ in\b/, false) && stream.next());
+        return 'variable';
+      }
+    }
+  }
+
+  function whileStatement(stream, state) {
+    if (stream.match(/^while\b/)) {
+      state.javaScriptLine = true;
+      return KEYWORD;
+    }
+  }
+
+  function tag(stream, state) {
+    var captures;
+    if (captures = stream.match(/^(\w(?:[-:\w]*\w)?)\/?/)) {
+      state.lastTag = captures[1].toLowerCase();
+      if (state.lastTag === 'script') {
+        state.scriptType = 'application/javascript';
+      }
+      return 'tag';
+    }
+  }
+
+  function filter(stream, state) {
+    if (stream.match(/^:([\w\-]+)/)) {
+      var innerMode;
+      if (config && config.innerModes) {
+        innerMode = config.innerModes(stream.current().substring(1));
+      }
+      if (!innerMode) {
+        innerMode = stream.current().substring(1);
+      }
+      if (typeof innerMode === 'string') {
+        innerMode = CodeMirror.getMode(config, innerMode);
+      }
+      setInnerMode(stream, state, innerMode);
+      return 'atom';
+    }
+  }
+
+  function code(stream, state) {
+    if (stream.match(/^(!?=|-)/)) {
+      state.javaScriptLine = true;
+      return 'punctuation';
+    }
+  }
+
+  function id(stream) {
+    if (stream.match(/^#([\w-]+)/)) {
+      return ID;
+    }
+  }
+
+  function className(stream) {
+    if (stream.match(/^\.([\w-]+)/)) {
+      return CLASS;
+    }
+  }
+
+  function attrs(stream, state) {
+    if (stream.peek() == '(') {
+      stream.next();
+      state.isAttrs = true;
+      state.attrsNest = [];
+      state.inAttributeName = true;
+      state.attrValue = '';
+      state.attributeIsType = false;
+      return 'punctuation';
+    }
+  }
+
+  function attrsContinued(stream, state) {
+    if (state.isAttrs) {
+      if (ATTRS_NEST[stream.peek()]) {
+        state.attrsNest.push(ATTRS_NEST[stream.peek()]);
+      }
+      if (state.attrsNest[state.attrsNest.length - 1] === stream.peek()) {
+        state.attrsNest.pop();
+      } else  if (stream.eat(')')) {
+        state.isAttrs = false;
+        return 'punctuation';
+      }
+      if (state.inAttributeName && stream.match(/^[^=,\)!]+/)) {
+        if (stream.peek() === '=' || stream.peek() === '!') {
+          state.inAttributeName = false;
+          state.jsState = CodeMirror.startState(jsMode);
+          if (state.lastTag === 'script' && stream.current().trim().toLowerCase() === 'type') {
+            state.attributeIsType = true;
+          } else {
+            state.attributeIsType = false;
+          }
+        }
+        return 'attribute';
+      }
+
+      var tok = jsMode.token(stream, state.jsState);
+      if (state.attributeIsType && tok === 'string') {
+        state.scriptType = stream.current().toString();
+      }
+      if (state.attrsNest.length === 0 && (tok === 'string' || tok === 'variable' || tok === 'keyword')) {
+        try {
+          Function('', 'var x ' + state.attrValue.replace(/,\s*$/, '').replace(/^!/, ''));
+          state.inAttributeName = true;
+          state.attrValue = '';
+          stream.backUp(stream.current().length);
+          return attrsContinued(stream, state);
+        } catch (ex) {
+          //not the end of an attribute
+        }
+      }
+      state.attrValue += stream.current();
+      return tok || true;
+    }
+  }
+
+  function attributesBlock(stream, state) {
+    if (stream.match(/^&attributes\b/)) {
+      state.javaScriptArguments = true;
+      state.javaScriptArgumentsDepth = 0;
+      return 'keyword';
+    }
+  }
+
+  function indent(stream) {
+    if (stream.sol() && stream.eatSpace()) {
+      return 'indent';
+    }
+  }
+
+  function comment(stream, state) {
+    if (stream.match(/^ *\/\/(-)?([^\n]*)/)) {
+      state.indentOf = stream.indentation();
+      state.indentToken = 'comment';
+      return 'comment';
+    }
+  }
+
+  function colon(stream) {
+    if (stream.match(/^: */)) {
+      return 'colon';
+    }
+  }
+
+  function text(stream, state) {
+    if (stream.match(/^(?:\| ?| )([^\n]+)/)) {
+      return 'string';
+    }
+    if (stream.match(/^(<[^\n]*)/, false)) {
+      // html string
+      setInnerMode(stream, state, 'htmlmixed');
+      state.innerModeForLine = true;
+      return innerMode(stream, state, true);
+    }
+  }
+
+  function dot(stream, state) {
+    if (stream.eat('.')) {
+      var innerMode = null;
+      if (state.lastTag === 'script' && state.scriptType.toLowerCase().indexOf('javascript') != -1) {
+        innerMode = state.scriptType.toLowerCase().replace(/"|'/g, '');
+      } else if (state.lastTag === 'style') {
+        innerMode = 'css';
+      }
+      setInnerMode(stream, state, innerMode);
+      return 'dot';
+    }
+  }
+
+  function fail(stream) {
+    stream.next();
+    return null;
+  }
+
+
+  function setInnerMode(stream, state, mode) {
+    mode = CodeMirror.mimeModes[mode] || mode;
+    mode = config.innerModes ? config.innerModes(mode) || mode : mode;
+    mode = CodeMirror.mimeModes[mode] || mode;
+    mode = CodeMirror.getMode(config, mode);
+    state.indentOf = stream.indentation();
+
+    if (mode && mode.name !== 'null') {
+      state.innerMode = mode;
+    } else {
+      state.indentToken = 'string';
+    }
+  }
+  function innerMode(stream, state, force) {
+    if (stream.indentation() > state.indentOf || (state.innerModeForLine && !stream.sol()) || force) {
+      if (state.innerMode) {
+        if (!state.innerState) {
+          state.innerState = state.innerMode.startState ? CodeMirror.startState(state.innerMode, stream.indentation()) : {};
+        }
+        return stream.hideFirstChars(state.indentOf + 2, function () {
+          return state.innerMode.token(stream, state.innerState) || true;
+        });
+      } else {
+        stream.skipToEnd();
+        return state.indentToken;
+      }
+    } else if (stream.sol()) {
+      state.indentOf = Infinity;
+      state.indentToken = null;
+      state.innerMode = null;
+      state.innerState = null;
+    }
+  }
+  function restOfLine(stream, state) {
+    if (stream.sol()) {
+      // if restOfLine was set at end of line, ignore it
+      state.restOfLine = '';
+    }
+    if (state.restOfLine) {
+      stream.skipToEnd();
+      var tok = state.restOfLine;
+      state.restOfLine = '';
+      return tok;
+    }
+  }
+
+
+  function startState() {
+    return new State();
+  }
+  function copyState(state) {
+    return state.copy();
+  }
+  /**
+   * Get the next token in the stream
+   *
+   * @param {Stream} stream
+   * @param {State} state
+   */
+  function nextToken(stream, state) {
+    var tok = innerMode(stream, state)
+      || restOfLine(stream, state)
+      || interpolationContinued(stream, state)
+      || includeFilteredContinued(stream, state)
+      || eachContinued(stream, state)
+      || attrsContinued(stream, state)
+      || javaScript(stream, state)
+      || javaScriptArguments(stream, state)
+      || callArguments(stream, state)
+
+      || yieldStatement(stream)
+      || doctype(stream)
+      || interpolation(stream, state)
+      || caseStatement(stream, state)
+      || when(stream, state)
+      || defaultStatement(stream)
+      || extendsStatement(stream, state)
+      || append(stream, state)
+      || prepend(stream, state)
+      || block(stream, state)
+      || include(stream, state)
+      || includeFiltered(stream, state)
+      || mixin(stream, state)
+      || call(stream, state)
+      || conditional(stream, state)
+      || each(stream, state)
+      || whileStatement(stream, state)
+      || tag(stream, state)
+      || filter(stream, state)
+      || code(stream, state)
+      || id(stream)
+      || className(stream)
+      || attrs(stream, state)
+      || attributesBlock(stream, state)
+      || indent(stream)
+      || text(stream, state)
+      || comment(stream, state)
+      || colon(stream)
+      || dot(stream, state)
+      || fail(stream);
+
+    return tok === true ? null : tok;
+  }
+  return {
+    startState: startState,
+    copyState: copyState,
+    token: nextToken
+  };
+}, 'javascript', 'css', 'htmlmixed');
+
+CodeMirror.defineMIME('text/x-pug', 'pug');
+CodeMirror.defineMIME('text/x-jade', 'pug');
+
+});

rhodecode/public/js/mode/sas/sas.js

@@ -0,0 +1,303 b''
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/LICENSE
+
+
+// SAS mode copyright (c) 2016 Jared Dean, SAS Institute
+// Created by Jared Dean
+
+// TODO
+// indent and de-indent
+// identify macro variables
+
+
+//Definitions
+//  comment -- text within * ; or /* */
+//  keyword -- SAS language variable
+//  variable -- macro variables starts with '&' or variable formats
+//  variable-2 -- DATA Step, proc, or macro names
+//  string -- text within ' ' or " "
+//  operator -- numeric operator + / - * ** le eq ge ... and so on
+//  builtin -- proc %macro data run mend
+//  atom
+//  def
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+  "use strict";
+
+  CodeMirror.defineMode("sas", function () {
+    var words = {};
+    var isDoubleOperatorSym = {
+      eq: 'operator',
+      lt: 'operator',
+      le: 'operator',
+      gt: 'operator',
+      ge: 'operator',
+      "in": 'operator',
+      ne: 'operator',
+      or: 'operator'
+    };
+    var isDoubleOperatorChar = /(<=|>=|!=|<>)/;
+    var isSingleOperatorChar = /[=\(:\),{}.*<>+\-\/^\[\]]/;
+
+    // Takes a string of words separated by spaces and adds them as
+    // keys with the value of the first argument 'style'
+    function define(style, string, context) {
+      if (context) {
+        var split = string.split(' ');
+        for (var i = 0; i < split.length; i++) {
+          words[split[i]] = {style: style, state: context};
+        }
+      }
+    }
+    //datastep
+    define('def', 'stack pgm view source debug nesting nolist', ['inDataStep']);
+    define('def', 'if while until for do do; end end; then else cancel', ['inDataStep']);
+    define('def', 'label format _n_ _error_', ['inDataStep']);
+    define('def', 'ALTER BUFNO BUFSIZE CNTLLEV COMPRESS DLDMGACTION ENCRYPT ENCRYPTKEY EXTENDOBSCOUNTER GENMAX GENNUM INDEX LABEL OBSBUF OUTREP PW PWREQ READ REPEMPTY REPLACE REUSE ROLE SORTEDBY SPILL TOBSNO TYPE WRITE FILECLOSE FIRSTOBS IN OBS POINTOBS WHERE WHEREUP IDXNAME IDXWHERE DROP KEEP RENAME', ['inDataStep']);
+    define('def', 'filevar finfo finv fipname fipnamel fipstate first firstobs floor', ['inDataStep']);
+    define('def', 'varfmt varinfmt varlabel varlen varname varnum varray varrayx vartype verify vformat vformatd vformatdx vformatn vformatnx vformatw vformatwx vformatx vinarray vinarrayx vinformat vinformatd vinformatdx vinformatn vinformatnx vinformatw vinformatwx vinformatx vlabel vlabelx vlength vlengthx vname vnamex vnferr vtype vtypex weekday', ['inDataStep']);
+    define('def', 'zipfips zipname zipnamel zipstate', ['inDataStep']);
+    define('def', 'put putc putn', ['inDataStep']);
+    define('builtin', 'data run', ['inDataStep']);
+
+
+    //proc
+    define('def', 'data', ['inProc']);
+
+    // flow control for macros
+    define('def', '%if %end %end; %else %else; %do %do; %then', ['inMacro']);
+
+    //everywhere
+    define('builtin', 'proc run; quit; libname filename %macro %mend option options', ['ALL']);
+
+    define('def', 'footnote title libname ods', ['ALL']);
+    define('def', '%let %put %global %sysfunc %eval ', ['ALL']);
+    // automatic macro variables http://support.sas.com/documentation/cdl/en/mcrolref/61885/HTML/default/viewer.htm#a003167023.htm
+    define('variable', '&sysbuffr &syscc &syscharwidth &syscmd &sysdate &sysdate9 &sysday &sysdevic &sysdmg &sysdsn &sysencoding &sysenv &syserr &syserrortext &sysfilrc &syshostname &sysindex &sysinfo &sysjobid &syslast &syslckrc &syslibrc &syslogapplname &sysmacroname &sysmenv &sysmsg &sysncpu &sysodspath &sysparm &syspbuff &sysprocessid &sysprocessname &sysprocname &sysrc &sysscp &sysscpl &sysscpl &syssite &sysstartid &sysstartname &systcpiphostname &systime &sysuserid &sysver &sysvlong &sysvlong4 &syswarningtext', ['ALL']);
+
+    //footnote[1-9]? title[1-9]?
+
+    //options statement
+    define('def', 'source2 nosource2 page pageno pagesize', ['ALL']);
+
+    //proc and datastep
+    define('def', '_all_ _character_ _cmd_ _freq_ _i_ _infile_ _last_ _msg_ _null_ _numeric_ _temporary_ _type_ abort abs addr adjrsq airy alpha alter altlog altprint and arcos array arsin as atan attrc attrib attrn authserver autoexec awscontrol awsdef awsmenu awsmenumerge awstitle backward band base betainv between blocksize blshift bnot bor brshift bufno bufsize bxor by byerr byline byte calculated call cards cards4 catcache cbufno cdf ceil center cexist change chisq cinv class cleanup close cnonct cntllev coalesce codegen col collate collin column comamid comaux1 comaux2 comdef compbl compound compress config continue convert cos cosh cpuid create cross crosstab css curobs cv daccdb daccdbsl daccsl daccsyd dacctab dairy datalines datalines4 datejul datepart datetime day dbcslang dbcstype dclose ddm delete delimiter depdb depdbsl depsl depsyd deptab dequote descending descript design= device dflang dhms dif digamma dim dinfo display distinct dkricond dkrocond dlm dnum do dopen doptname doptnum dread drop dropnote dsname dsnferr echo else emaildlg emailid emailpw emailserver emailsys encrypt end endsas engine eof eov erf erfc error errorcheck errors exist exp fappend fclose fcol fdelete feedback fetch fetchobs fexist fget file fileclose fileexist filefmt filename fileref  fmterr fmtsearch fnonct fnote font fontalias  fopen foptname foptnum force formatted formchar formdelim formdlim forward fpoint fpos fput fread frewind frlen from fsep fuzz fwrite gaminv gamma getoption getvarc getvarn go goto group gwindow hbar hbound helpenv helploc hms honorappearance hosthelp hostprint hour hpct html hvar ibessel ibr id if index indexc indexw initcmd initstmt inner input inputc inputn inr insert int intck intnx into intrr invaliddata irr is jbessel join juldate keep kentb kurtosis label lag last lbound leave left length levels lgamma lib  library libref line linesize link list log log10 log2 logpdf logpmf logsdf lostcard lowcase lrecl ls macro macrogen maps mautosource max maxdec maxr mdy mean measures median memtype merge merror min minute missing missover mlogic mod mode model modify month mopen mort mprint mrecall msglevel msymtabmax mvarsize myy n nest netpv new news nmiss no nobatch nobs nocaps nocardimage nocenter nocharcode nocmdmac nocol nocum nodate nodbcs nodetails nodmr nodms nodmsbatch nodup nodupkey noduplicates noechoauto noequals noerrorabend noexitwindows nofullstimer noicon noimplmac noint nolist noloadlist nomiss nomlogic nomprint nomrecall nomsgcase nomstored nomultenvappl nonotes nonumber noobs noovp nopad nopercent noprint noprintinit normal norow norsasuser nosetinit  nosplash nosymbolgen note notes notitle notitles notsorted noverbose noxsync noxwait npv null number numkeys nummousekeys nway obs  on open     order ordinal otherwise out outer outp= output over ovp p(1 5 10 25 50 75 90 95 99) pad pad2  paired parm parmcards path pathdll pathname pdf peek peekc pfkey pmf point poisson poke position printer probbeta probbnml probchi probf probgam probhypr probit probnegb probnorm probsig probt procleave prt ps  pw pwreq qtr quote r ranbin rancau ranexp rangam range ranks rannor ranpoi rantbl rantri ranuni read recfm register regr remote remove rename repeat replace resolve retain return reuse reverse rewind right round rsquare rtf rtrace rtraceloc s s2 samploc sasautos sascontrol sasfrscr sasmsg sasmstore sasscript sasuser saving scan sdf second select selection separated seq serror set setcomm setot sign simple sin sinh siteinfo skewness skip sle sls sortedby sortpgm sortseq sortsize soundex  spedis splashlocation split spool sqrt start std stderr stdin stfips stimer stname stnamel stop stopover subgroup subpopn substr sum sumwgt symbol symbolgen symget symput sysget sysin sysleave sysmsg sysparm sysprint sysprintfont sysprod sysrc system t table tables tan tanh tapeclose tbufsize terminal test then timepart tinv  tnonct to today tol tooldef totper transformout translate trantab tranwrd trigamma trim trimn trunc truncover type unformatted uniform union until upcase update user usericon uss validate value var  weight when where while wincharset window work workinit workterm write wsum xsync xwait yearcutoff yes yyq  min max', ['inDataStep', 'inProc']);
+    define('operator', 'and not ', ['inDataStep', 'inProc']);
+
+    // Main function
+    function tokenize(stream, state) {
+      // Finally advance the stream
+      var ch = stream.next();
+
+      // BLOCKCOMMENT
+      if (ch === '/' && stream.eat('*')) {
+        state.continueComment = true;
+        return "comment";
+      } else if (state.continueComment === true) { // in comment block
+        //comment ends at the beginning of the line
+        if (ch === '*' && stream.peek() === '/') {
+          stream.next();
+          state.continueComment = false;
+        } else if (stream.skipTo('*')) { //comment is potentially later in line
+          stream.skipTo('*');
+          stream.next();
+          if (stream.eat('/'))
+            state.continueComment = false;
+        } else {
+          stream.skipToEnd();
+        }
+        return "comment";
+      }
+
+      if (ch == "*" && stream.column() == stream.indentation()) {
+        stream.skipToEnd()
+        return "comment"
+      }
+
+      // DoubleOperator match
+      var doubleOperator = ch + stream.peek();
+
+      if ((ch === '"' || ch === "'") && !state.continueString) {
+        state.continueString = ch
+        return "string"
+      } else if (state.continueString) {
+        if (state.continueString == ch) {
+          state.continueString = null;
+        } else if (stream.skipTo(state.continueString)) {
+          // quote found on this line
+          stream.next();
+          state.continueString = null;
+        } else {
+          stream.skipToEnd();
+        }
+        return "string";
+      } else if (state.continueString !== null && stream.eol()) {
+        stream.skipTo(state.continueString) || stream.skipToEnd();
+        return "string";
+      } else if (/[\d\.]/.test(ch)) { //find numbers
+        if (ch === ".")
+          stream.match(/^[0-9]+([eE][\-+]?[0-9]+)?/);
+        else if (ch === "0")
+          stream.match(/^[xX][0-9a-fA-F]+/) || stream.match(/^0[0-7]+/);
+        else
+          stream.match(/^[0-9]*\.?[0-9]*([eE][\-+]?[0-9]+)?/);
+        return "number";
+      } else if (isDoubleOperatorChar.test(ch + stream.peek())) { // TWO SYMBOL TOKENS
+        stream.next();
+        return "operator";
+      } else if (isDoubleOperatorSym.hasOwnProperty(doubleOperator)) {
+        stream.next();
+        if (stream.peek() === ' ')
+          return isDoubleOperatorSym[doubleOperator.toLowerCase()];
+      } else if (isSingleOperatorChar.test(ch)) { // SINGLE SYMBOL TOKENS
+        return "operator";
+      }
+
+      // Matches one whole word -- even if the word is a character
+      var word;
+      if (stream.match(/[%&;\w]+/, false) != null) {
+        word = ch + stream.match(/[%&;\w]+/, true);
+        if (/&/.test(word)) return 'variable'
+      } else {
+        word = ch;
+      }
+      // the word after DATA PROC or MACRO
+      if (state.nextword) {
+        stream.match(/[\w]+/);
+        // match memname.libname
+        if (stream.peek() === '.') stream.skipTo(' ');
+        state.nextword = false;
+        return 'variable-2';
+      }
+
+      word = word.toLowerCase()
+      // Are we in a DATA Step?
+      if (state.inDataStep) {
+        if (word === 'run;' || stream.match(/run\s;/)) {
+          state.inDataStep = false;
+          return 'builtin';
+        }
+        // variable formats
+        if ((word) && stream.next() === '.') {
+          //either a format or libname.memname
+          if (/\w/.test(stream.peek())) return 'variable-2';
+          else return 'variable';
+        }
+        // do we have a DATA Step keyword
+        if (word && words.hasOwnProperty(word) &&
+            (words[word].state.indexOf("inDataStep") !== -1 ||
+             words[word].state.indexOf("ALL") !== -1)) {
+          //backup to the start of the word
+          if (stream.start < stream.pos)
+            stream.backUp(stream.pos - stream.start);
+          //advance the length of the word and return
+          for (var i = 0; i < word.length; ++i) stream.next();
+          return words[word].style;
+        }
+      }
+      // Are we in an Proc statement?
+      if (state.inProc) {
+        if (word === 'run;' || word === 'quit;') {
+          state.inProc = false;
+          return 'builtin';
+        }
+        // do we have a proc keyword
+        if (word && words.hasOwnProperty(word) &&
+            (words[word].state.indexOf("inProc") !== -1 ||
+             words[word].state.indexOf("ALL") !== -1)) {
+          stream.match(/[\w]+/);
+          return words[word].style;
+        }
+      }
+      // Are we in a Macro statement?
+      if (state.inMacro) {
+        if (word === '%mend') {
+          if (stream.peek() === ';') stream.next();
+          state.inMacro = false;
+          return 'builtin';
+        }
+        if (word && words.hasOwnProperty(word) &&
+            (words[word].state.indexOf("inMacro") !== -1 ||
+             words[word].state.indexOf("ALL") !== -1)) {
+          stream.match(/[\w]+/);
+          return words[word].style;
+        }
+
+        return 'atom';
+      }
+      // Do we have Keywords specific words?
+      if (word && words.hasOwnProperty(word)) {
+        // Negates the initial next()
+        stream.backUp(1);
+        // Actually move the stream
+        stream.match(/[\w]+/);
+        if (word === 'data' && /=/.test(stream.peek()) === false) {
+          state.inDataStep = true;
+          state.nextword = true;
+          return 'builtin';
+        }
+        if (word === 'proc') {
+          state.inProc = true;
+          state.nextword = true;
+          return 'builtin';
+        }
+        if (word === '%macro') {
+          state.inMacro = true;
+          state.nextword = true;
+          return 'builtin';
+        }
+        if (/title[1-9]/.test(word)) return 'def';
+
+        if (word === 'footnote') {
+          stream.eat(/[1-9]/);
+          return 'def';
+        }
+
+        // Returns their value as state in the prior define methods
+        if (state.inDataStep === true && words[word].state.indexOf("inDataStep") !== -1)
+          return words[word].style;
+        if (state.inProc === true && words[word].state.indexOf("inProc") !== -1)
+          return words[word].style;
+        if (state.inMacro === true && words[word].state.indexOf("inMacro") !== -1)
+          return words[word].style;
+        if (words[word].state.indexOf("ALL") !== -1)
+          return words[word].style;
+        return null;
+      }
+      // Unrecognized syntax
+      return null;
+    }
+
+    return {
+      startState: function () {
+        return {
+          inDataStep: false,
+          inProc: false,
+          inMacro: false,
+          nextword: false,
+          continueString: null,
+          continueComment: false
+        };
+      },
+      token: function (stream, state) {
+        // Strip the spaces, but regex will account for them either way
+        if (stream.eatSpace()) return null;
+        // Go through the main process
+        return tokenize(stream, state);
+      },
+
+      blockCommentStart: "/*",
+      blockCommentEnd: "*/"
+    };
+
+  });
+
+  CodeMirror.defineMIME("text/x-sas", "sas");
+});

rhodecode/public/js/mode/webidl/webidl.js

@@ -0,0 +1,195 b''
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+"use strict";
+
+function wordRegexp(words) {
+  return new RegExp("^((" + words.join(")|(") + "))\\b");
+};
+
+var builtinArray = [
+  "Clamp",
+  "Constructor",
+  "EnforceRange",
+  "Exposed",
+  "ImplicitThis",
+  "Global", "PrimaryGlobal",
+  "LegacyArrayClass",
+  "LegacyUnenumerableNamedProperties",
+  "LenientThis",
+  "NamedConstructor",
+  "NewObject",
+  "NoInterfaceObject",
+  "OverrideBuiltins",
+  "PutForwards",
+  "Replaceable",
+  "SameObject",
+  "TreatNonObjectAsNull",
+  "TreatNullAs",
+    "EmptyString",
+  "Unforgeable",
+  "Unscopeable"
+];
+var builtins = wordRegexp(builtinArray);
+
+var typeArray = [
+  "unsigned", "short", "long",                  // UnsignedIntegerType
+  "unrestricted", "float", "double",            // UnrestrictedFloatType
+  "boolean", "byte", "octet",                   // Rest of PrimitiveType
+  "Promise",                                    // PromiseType
+  "ArrayBuffer", "DataView", "Int8Array", "Int16Array", "Int32Array",
+  "Uint8Array", "Uint16Array", "Uint32Array", "Uint8ClampedArray",
+  "Float32Array", "Float64Array",               // BufferRelatedType
+  "ByteString", "DOMString", "USVString", "sequence", "object", "RegExp",
+  "Error", "DOMException", "FrozenArray",       // Rest of NonAnyType
+  "any",                                        // Rest of SingleType
+  "void"                                        // Rest of ReturnType
+];
+var types = wordRegexp(typeArray);
+
+var keywordArray = [
+  "attribute", "callback", "const", "deleter", "dictionary", "enum", "getter",
+  "implements", "inherit", "interface", "iterable", "legacycaller", "maplike",
+  "partial", "required", "serializer", "setlike", "setter", "static",
+  "stringifier", "typedef",                     // ArgumentNameKeyword except
+                                                // "unrestricted"
+  "optional", "readonly", "or"
+];
+var keywords = wordRegexp(keywordArray);
+
+var atomArray = [
+  "true", "false",                              // BooleanLiteral
+  "Infinity", "NaN",                            // FloatLiteral
+  "null"                                        // Rest of ConstValue
+];
+var atoms = wordRegexp(atomArray);
+
+CodeMirror.registerHelper("hintWords", "webidl",
+    builtinArray.concat(typeArray).concat(keywordArray).concat(atomArray));
+
+var startDefArray = ["callback", "dictionary", "enum", "interface"];
+var startDefs = wordRegexp(startDefArray);
+
+var endDefArray = ["typedef"];
+var endDefs = wordRegexp(endDefArray);
+
+var singleOperators = /^[:<=>?]/;
+var integers = /^-?([1-9][0-9]*|0[Xx][0-9A-Fa-f]+|0[0-7]*)/;
+var floats = /^-?(([0-9]+\.[0-9]*|[0-9]*\.[0-9]+)([Ee][+-]?[0-9]+)?|[0-9]+[Ee][+-]?[0-9]+)/;
+var identifiers = /^_?[A-Za-z][0-9A-Z_a-z-]*/;
+var identifiersEnd = /^_?[A-Za-z][0-9A-Z_a-z-]*(?=\s*;)/;
+var strings = /^"[^"]*"/;
+var multilineComments = /^\/\*.*?\*\//;
+var multilineCommentsStart = /^\/\*.*/;
+var multilineCommentsEnd = /^.*?\*\//;
+
+function readToken(stream, state) {
+  // whitespace
+  if (stream.eatSpace()) return null;
+
+  // comment
+  if (state.inComment) {
+    if (stream.match(multilineCommentsEnd)) {
+      state.inComment = false;
+      return "comment";
+    }
+    stream.skipToEnd();
+    return "comment";
+  }
+  if (stream.match("//")) {
+    stream.skipToEnd();
+    return "comment";
+  }
+  if (stream.match(multilineComments)) return "comment";
+  if (stream.match(multilineCommentsStart)) {
+    state.inComment = true;
+    return "comment";
+  }
+
+  // integer and float
+  if (stream.match(/^-?[0-9\.]/, false)) {
+    if (stream.match(integers) || stream.match(floats)) return "number";
+  }
+
+  // string
+  if (stream.match(strings)) return "string";
+
+  // identifier
+  if (state.startDef && stream.match(identifiers)) return "def";
+
+  if (state.endDef && stream.match(identifiersEnd)) {
+    state.endDef = false;
+    return "def";
+  }
+
+  if (stream.match(keywords)) return "keyword";
+
+  if (stream.match(types)) {
+    var lastToken = state.lastToken;
+    var nextToken = (stream.match(/^\s*(.+?)\b/, false) || [])[1];
+
+    if (lastToken === ":" || lastToken === "implements" ||
+        nextToken === "implements" || nextToken === "=") {
+      // Used as identifier
+      return "builtin";
+    } else {
+      // Used as type
+      return "variable-3";
+    }
+  }
+
+  if (stream.match(builtins)) return "builtin";
+  if (stream.match(atoms)) return "atom";
+  if (stream.match(identifiers)) return "variable";
+
+  // other
+  if (stream.match(singleOperators)) return "operator";
+
+  // unrecognized
+  stream.next();
+  return null;
+};
+
+CodeMirror.defineMode("webidl", function() {
+  return {
+    startState: function() {
+      return {
+        // Is in multiline comment
+        inComment: false,
+        // Last non-whitespace, matched token
+        lastToken: "",
+        // Next token is a definition
+        startDef: false,
+        // Last token of the statement is a definition
+        endDef: false
+      };
+    },
+    token: function(stream, state) {
+      var style = readToken(stream, state);
+
+      if (style) {
+        var cur = stream.current();
+        state.lastToken = cur;
+        if (style === "keyword") {
+          state.startDef = startDefs.test(cur);
+          state.endDef = state.endDef || endDefs.test(cur);
+        } else {
+          state.startDef = false;
+        }
+      }
+
+      return style;
+    }
+  };
+});
+
+CodeMirror.defineMIME("text/x-webidl", "webidl");
+});

rhodecode/public/js/mode/yacas/yacas.js

@@ -0,0 +1,204 b''
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/LICENSE
+
+// Yacas mode copyright (c) 2015 by Grzegorz Mazur
+// Loosely based on mathematica mode by Calin Barbat
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+"use strict";
+
+CodeMirror.defineMode('yacas', function(_config, _parserConfig) {
+
+  function words(str) {
+    var obj = {}, words = str.split(" ");
+    for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
+    return obj;
+  }
+
+  var bodiedOps = words("Assert BackQuote D Defun Deriv For ForEach FromFile " +
+                        "FromString Function Integrate InverseTaylor Limit " +
+                        "LocalSymbols Macro MacroRule MacroRulePattern " +
+                        "NIntegrate Rule RulePattern Subst TD TExplicitSum " +
+                        "TSum Taylor Taylor1 Taylor2 Taylor3 ToFile " +
+                        "ToStdout ToString TraceRule Until While");
+
+  // patterns
+  var pFloatForm  = "(?:(?:\\.\\d+|\\d+\\.\\d*|\\d+)(?:[eE][+-]?\\d+)?)";
+  var pIdentifier = "(?:[a-zA-Z\\$'][a-zA-Z0-9\\$']*)";
+
+  // regular expressions
+  var reFloatForm    = new RegExp(pFloatForm);
+  var reIdentifier   = new RegExp(pIdentifier);
+  var rePattern      = new RegExp(pIdentifier + "?_" + pIdentifier);
+  var reFunctionLike = new RegExp(pIdentifier + "\\s*\\(");
+
+  function tokenBase(stream, state) {
+    var ch;
+
+    // get next character
+    ch = stream.next();
+
+    // string
+    if (ch === '"') {
+      state.tokenize = tokenString;
+      return state.tokenize(stream, state);
+    }
+
+    // comment
+    if (ch === '/') {
+      if (stream.eat('*')) {
+        state.tokenize = tokenComment;
+        return state.tokenize(stream, state);
+      }
+      if (stream.eat("/")) {
+        stream.skipToEnd();
+        return "comment";
+      }
+    }
+
+    // go back one character
+    stream.backUp(1);
+
+    // update scope info
+    var m = stream.match(/^(\w+)\s*\(/, false);
+    if (m !== null && bodiedOps.hasOwnProperty(m[1]))
+      state.scopes.push('bodied');
+
+    var scope = currentScope(state);
+
+    if (scope === 'bodied' && ch === '[')
+      state.scopes.pop();
+
+    if (ch === '[' || ch === '{' || ch === '(')
+      state.scopes.push(ch);
+
+    scope = currentScope(state);
+
+    if (scope === '[' && ch === ']' ||
+        scope === '{' && ch === '}' ||
+        scope === '(' && ch === ')')
+      state.scopes.pop();
+
+    if (ch === ';') {
+      while (scope === 'bodied') {
+        state.scopes.pop();
+        scope = currentScope(state);
+      }
+    }
+
+    // look for ordered rules
+    if (stream.match(/\d+ *#/, true, false)) {
+      return 'qualifier';
+    }
+
+    // look for numbers
+    if (stream.match(reFloatForm, true, false)) {
+      return 'number';
+    }
+
+    // look for placeholders
+    if (stream.match(rePattern, true, false)) {
+      return 'variable-3';
+    }
+
+    // match all braces separately
+    if (stream.match(/(?:\[|\]|{|}|\(|\))/, true, false)) {
+      return 'bracket';
+    }
+
+    // literals looking like function calls
+    if (stream.match(reFunctionLike, true, false)) {
+      stream.backUp(1);
+      return 'variable';
+    }
+
+    // all other identifiers
+    if (stream.match(reIdentifier, true, false)) {
+      return 'variable-2';
+    }
+
+    // operators; note that operators like @@ or /; are matched separately for each symbol.
+    if (stream.match(/(?:\\|\+|\-|\*|\/|,|;|\.|:|@|~|=|>|<|&|\||_|`|'|\^|\?|!|%|#)/, true, false)) {
+      return 'operator';
+    }
+
+    // everything else is an error
+    return 'error';
+  }
+
+  function tokenString(stream, state) {
+    var next, end = false, escaped = false;
+    while ((next = stream.next()) != null) {
+      if (next === '"' && !escaped) {
+        end = true;
+        break;
+      }
+      escaped = !escaped && next === '\\';
+    }
+    if (end && !escaped) {
+      state.tokenize = tokenBase;
+    }
+    return 'string';
+  };
+
+  function tokenComment(stream, state) {
+    var prev, next;
+    while((next = stream.next()) != null) {
+      if (prev === '*' && next === '/') {
+        state.tokenize = tokenBase;
+        break;
+      }
+      prev = next;
+    }
+    return 'comment';
+  }
+
+  function currentScope(state) {
+    var scope = null;
+    if (state.scopes.length > 0)
+      scope = state.scopes[state.scopes.length - 1];
+    return scope;
+  }
+
+  return {
+    startState: function() {
+      return {
+        tokenize: tokenBase,
+        scopes: []
+      };
+    },
+    token: function(stream, state) {
+      if (stream.eatSpace()) return null;
+      return state.tokenize(stream, state);
+    },
+    indent: function(state, textAfter) {
+      if (state.tokenize !== tokenBase && state.tokenize !== null)
+        return CodeMirror.Pass;
+
+      var delta = 0;
+      if (textAfter === ']' || textAfter === '];' ||
+          textAfter === '}' || textAfter === '};' ||
+          textAfter === ');')
+        delta = -1;
+
+      return (state.scopes.length + delta) * _config.indentUnit;
+    },
+    electricChars: "{}[]();",
+    blockCommentStart: "/*",
+    blockCommentEnd: "*/",
+    lineComment: "//"
+  };
+});
+
+CodeMirror.defineMIME('text/x-yacas', {
+  name: 'yacas'
+});
+
+});

rhodecode/public/css/codemirror.less

@@ -5,6 +5,7 b''
   font-family: monospace;
   height: 300px;
   color: black;
+  direction: ltr;
   border-radius: @border-radius;
   border: @border-thickness solid @grey6;
   margin: 0 0 @padding;
@@ -15,7 +16,8 b''
 .CodeMirror-lines {
   padding: 4px 0; /* Vertical padding around content */
 }
-.CodeMirror pre {
+.CodeMirror pre.CodeMirror-line,
+.CodeMirror pre.CodeMirror-line-like {
   padding: 0 4px; /* Horizontal padding of content */
 }
 
@@ -44,28 +46,36 b''
 
 /* CURSOR */
 
-.CodeMirror div.CodeMirror-cursor {
+.CodeMirror-cursor {
   border-left: 1px solid black;
+  border-right: none;
+  width: 0;
 }
 /* Shown when moving in bi-directional text */
 .CodeMirror div.CodeMirror-secondarycursor {
   border-left: 1px solid silver;
 }
-.CodeMirror.cm-fat-cursor div.CodeMirror-cursor {
+.cm-fat-cursor .CodeMirror-cursor {
   width: auto;
-  border: 0;
+  border: 0 !important;
   background: @grey6;
 }
-.CodeMirror.cm-fat-cursor div.CodeMirror-cursors {
+.cm-fat-cursor div.CodeMirror-cursors {
   z-index: 1;
 }
-
+.cm-fat-cursor-mark {
+  background-color: rgba(20, 255, 20, 0.5);
+  -webkit-animation: blink 1.06s steps(1) infinite;
+  -moz-animation: blink 1.06s steps(1) infinite;
+  animation: blink 1.06s steps(1) infinite;
+}
 .cm-animate-fat-cursor {
   width: auto;
   border: 0;
   -webkit-animation: blink 1.06s steps(1) infinite;
   -moz-animation: blink 1.06s steps(1) infinite;
   animation: blink 1.06s steps(1) infinite;
+  background-color: #7e7;
 }
 @-moz-keyframes blink {
   0% { background: #7e7; }
@@ -84,12 +94,18 b''
 }
 
 /* Can style cursor different in overwrite (non-insert) mode */
-div.CodeMirror-overwrite div.CodeMirror-cursor {}
+.CodeMirror-overwrite .CodeMirror-cursor {}
 
 .cm-tab { display: inline-block; text-decoration: inherit; }
 
+.CodeMirror-rulers {
+  position: absolute;
+  left: 0; right: 0; top: -50px; bottom: 0;
+  overflow: hidden;
+}
 .CodeMirror-ruler {
   border-left: 1px solid #ccc;
+  top: 0; bottom: 0;
   position: absolute;
 }
 
@@ -113,7 +129,7 b' div.CodeMirror-overwrite div.CodeMirror-'
 .cm-s-default .cm-property,
 .cm-s-default .cm-operator {}
 .cm-s-default .cm-variable-2 {color: #05a;}
-.cm-s-default .cm-variable-3 {color: #085;}
+.cm-s-default .cm-variable-3, .cm-s-default .cm-type {color: #085;}
 .cm-s-default .cm-comment {color: #a50;}
 .cm-s-default .cm-string {color: #a11;}
 .cm-s-default .cm-string-2 {color: #f50;}
@@ -133,8 +149,8 b' div.CodeMirror-overwrite div.CodeMirror-'
 
 /* Default styles for common addons */
 
-div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;}
-div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;}
+div.CodeMirror span.CodeMirror-matchingbracket {color: #0b0;}
+div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #a22;}
 .CodeMirror-matchingtag { background: rgba(255, 150, 0, .3); }
 .CodeMirror-activeline-background {background: #e8f2ff;}
 
@@ -191,20 +207,21 b' div.CodeMirror span.CodeMirror-nonmatchi'
 
 .CodeMirror-gutters {
   position: absolute; left: 0; top: 0;
+  min-height: 100%;
   z-index: 3;
 }
 .CodeMirror-gutter {
   white-space: normal;
   height: 100%;
   display: inline-block;
+  vertical-align: top;
   margin-bottom: -30px;
-  /* Hack to make IE7 behave */
-  *zoom:1;
-  *display:inline;
 }
 .CodeMirror-gutter-wrapper {
   position: absolute;
   z-index: 4;
+  background: none !important;
+  border: none !important;
   height: 100%;
 }
 .CodeMirror-gutter-background {
@@ -227,7 +244,8 b' div.CodeMirror span.CodeMirror-nonmatchi'
   cursor: text;
   min-height: 1px; /* prevents collapsing before first draw */
 }
-.CodeMirror pre {
+.CodeMirror pre.CodeMirror-line,
+.CodeMirror pre.CodeMirror-line-like {
   /* Reset some styles that the rest of the page might have set */
   -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0;
   border-width: 0;
@@ -243,8 +261,11 b' div.CodeMirror span.CodeMirror-nonmatchi'
   position: relative;
   overflow: visible;
   -webkit-tap-highlight-color: transparent;
+  -webkit-font-variant-ligatures: contextual;
+  font-variant-ligatures: contextual;
 }
-.CodeMirror-wrap pre {
+.CodeMirror-wrap pre.CodeMirror-line,
+.CodeMirror-wrap pre.CodeMirror-line-like {
   word-wrap: break-word;
   white-space: pre-wrap;
   word-break: normal;
@@ -259,11 +280,14 b' div.CodeMirror span.CodeMirror-nonmatchi'
 .CodeMirror-linewidget {
   position: relative;
   z-index: 2;
+  padding: 0.1px; /* Force widget margins to stay inside of the container */
   overflow: auto;
 }
 
 .CodeMirror-widget {}
 
+.CodeMirror-rtl pre { direction: rtl; }
+
 .CodeMirror-code {
   outline: none;
 }
@@ -286,13 +310,12 b' div.CodeMirror span.CodeMirror-nonmatchi'
   visibility: hidden;
 }
 
-
-.CodeMirror div.CodeMirror-cursor {
+.CodeMirror-cursor {
   position: absolute;
+  pointer-events: none;
   border-right: none;
   width: 0;
 }
-
 .CodeMirror-measure pre { position: static; }
 
 div.CodeMirror-cursors {
@@ -315,13 +338,10 b' div.CodeMirror-dragcursors {'
 .CodeMirror-line::-moz-selection, .CodeMirror-line > span::-moz-selection, .CodeMirror-line > span > span::-moz-selection { background: #d7d4f0; }
 
 .cm-searching {
-  background: #ffa;
-  background: rgba(255, 255, 0, .4);
+  background-color: #ffa;
+  background-color: rgba(255, 255, 0, .4);
 }
 
-/* IE7 hack to prevent it from returning funny offsetTops on the spans */
-.CodeMirror span { *vertical-align: text-bottom; }
-
 /* Used to force a border model for a node */
 .cm-force-border { padding-right: .1px; }
 

rhodecode/public/js/mode/apl/apl.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/asciiarmor/asciiarmor.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -68,6 +68,7 b''
   });
 
   CodeMirror.defineMIME("application/pgp", "asciiarmor");
+  CodeMirror.defineMIME("application/pgp-encrypted", "asciiarmor");
   CodeMirror.defineMIME("application/pgp-keys", "asciiarmor");
   CodeMirror.defineMIME("application/pgp-signature", "asciiarmor");
 });

rhodecode/public/js/mode/asn.1/asn.1.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/asterisk/asterisk.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 /*
  * =====================================================================================
@@ -9,7 +9,7 b''
  *    Description:  CodeMirror mode for Asterisk dialplan
  *
  *        Created:  05/17/2012 09:20:25 PM
- *       Revision:  none
+ *       Revision:  08/05/2019 AstLinux Project: Support block-comments
  *
  *         Author:  Stas Kobzar ([e-mail]),
  *        Company:  Modulis.ca Inc.
@@ -67,7 +67,26 b' CodeMirror.defineMode("asterisk", functi'
     var cur = '';
     var ch = stream.next();
     // comment
+    if (state.blockComment) {
+      if (ch == "-" && stream.match("-;", true)) {
+        state.blockComment = false;
+      } else if (stream.skipTo("--;")) {
+        stream.next();
+        stream.next();
+        stream.next();
+        state.blockComment = false;
+      } else {
+        stream.skipToEnd();
+      }
+      return "comment";
+    }
     if(ch == ";") {
+      if (stream.match("--", true)) {
+        if (!stream.match("-", false)) {  // Except ;--- is not a block comment
+          state.blockComment = true;
+          return "comment";
+        }
+      }
       stream.skipToEnd();
       return "comment";
     }
@@ -124,6 +143,7 b' CodeMirror.defineMode("asterisk", functi'
   return {
     startState: function() {
       return {
+        blockComment: false,
         extenStart: false,
         extenSame:  false,
         extenInclude: false,
@@ -187,7 +207,11 b' CodeMirror.defineMode("asterisk", functi'
       }
 
       return null;
-    }
+    },
+
+    blockCommentStart: ";--",
+    blockCommentEnd: "--;",
+    lineComment: ";"
   };
 });
 

rhodecode/public/js/mode/brainfuck/brainfuck.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 // Brainfuck mode created by Michael Kaminsky https://github.com/mkaminsky11
 

rhodecode/public/js/mode/clike/clike.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -11,6 +11,41 b''
 })(function(CodeMirror) {
 "use strict";
 
+function Context(indented, column, type, info, align, prev) {
+  this.indented = indented;
+  this.column = column;
+  this.type = type;
+  this.info = info;
+  this.align = align;
+  this.prev = prev;
+}
+function pushContext(state, col, type, info) {
+  var indent = state.indented;
+  if (state.context && state.context.type == "statement" && type != "statement")
+    indent = state.context.indented;
+  return state.context = new Context(indent, col, type, info, null, state.context);
+}
+function popContext(state) {
+  var t = state.context.type;
+  if (t == ")" || t == "]" || t == "}")
+    state.indented = state.context.indented;
+  return state.context = state.context.prev;
+}
+
+function typeBefore(stream, state, pos) {
+  if (state.prevToken == "variable" || state.prevToken == "type") return true;
+  if (/\S(?:[^- ]>|[*\]])\s*$|\*$/.test(stream.string.slice(0, pos))) return true;
+  if (state.typeAtEndOfLine && stream.column() == stream.indentation()) return true;
+}
+
+function isTopScope(context) {
+  for (;;) {
+    if (!context || context.type == "top") return true;
+    if (context.type == "}" && context.prev.info != "namespace") return false;
+    context = context.prev;
+  }
+}
+
 CodeMirror.defineMode("clike", function(config, parserConfig) {
   var indentUnit = config.indentUnit,
       statementIndentUnit = parserConfig.statementIndentUnit || indentUnit,
@@ -30,7 +65,10 b' CodeMirror.defineMode("clike", function('
       numberStart = parserConfig.numberStart || /[\d\.]/,
       number = parserConfig.number || /^(?:0x[a-f\d]+|0b[01]+|(?:\d+\.?\d*|\.\d+)(?:e[-+]?\d+)?)(u|ll?|l|f)?/i,
       isOperatorChar = parserConfig.isOperatorChar || /[+\-*&%=<>!?|\/]/,
-      endStatement = parserConfig.endStatement || /^[;:,]$/;
+      isIdentifierChar = parserConfig.isIdentifierChar || /[\w\$_\xa1-\uffff]/,
+      // An optional function that takes a {string} token and returns true if it
+      // should be treated as a builtin.
+      isReservedIdentifier = parserConfig.isReservedIdentifier || false;
 
   var curPunc, isDefKeyword;
 
@@ -64,12 +102,12 b' CodeMirror.defineMode("clike", function('
       }
     }
     if (isOperatorChar.test(ch)) {
-      stream.eatWhile(isOperatorChar);
+      while (!stream.match(/^\/[\/*]/, false) && stream.eat(isOperatorChar)) {}
       return "operator";
     }
-    stream.eatWhile(/[\w\$_\xa1-\uffff]/);
+    stream.eatWhile(isIdentifierChar);
     if (namespaceSeparator) while (stream.match(namespaceSeparator))
-      stream.eatWhile(/[\w\$_\xa1-\uffff]/);
+      stream.eatWhile(isIdentifierChar);
 
     var cur = stream.current();
     if (contains(keywords, cur)) {
@@ -77,8 +115,9 b' CodeMirror.defineMode("clike", function('
       if (contains(defKeywords, cur)) isDefKeyword = true;
       return "keyword";
     }
-    if (contains(types, cur)) return "variable-3";
-    if (contains(builtin, cur)) {
+    if (contains(types, cur)) return "type";
+    if (contains(builtin, cur)
+        || (isReservedIdentifier && isReservedIdentifier(cur))) {
       if (contains(blockKeywords, cur)) curPunc = "newstatement";
       return "builtin";
     }
@@ -111,40 +150,9 b' CodeMirror.defineMode("clike", function('
     return "comment";
   }
 
-  function Context(indented, column, type, align, prev) {
-    this.indented = indented;
-    this.column = column;
-    this.type = type;
-    this.align = align;
-    this.prev = prev;
-  }
-  function isStatement(type) {
-    return type == "statement" || type == "switchstatement" || type == "namespace";
-  }
-  function pushContext(state, col, type) {
-    var indent = state.indented;
-    if (state.context && isStatement(state.context.type) && !isStatement(type))
-      indent = state.context.indented;
-    return state.context = new Context(indent, col, type, null, state.context);
-  }
-  function popContext(state) {
-    var t = state.context.type;
-    if (t == ")" || t == "]" || t == "}")
-      state.indented = state.context.indented;
-    return state.context = state.context.prev;
-  }
-
-  function typeBefore(stream, state) {
-    if (state.prevToken == "variable" || state.prevToken == "variable-3") return true;
-    if (/\S(?:[^- ]>|[*\]])\s*$|\*$/.test(stream.string.slice(0, stream.start))) return true;
-  }
-
-  function isTopScope(context) {
-    for (;;) {
-      if (!context || context.type == "top") return true;
-      if (context.type == "}" && context.prev.type != "namespace") return false;
-      context = context.prev;
-    }
+  function maybeEOL(stream, state) {
+    if (parserConfig.typeFirstDefinitions && stream.eol() && isTopScope(state.context))
+      state.typeAtEndOfLine = typeBefore(stream, state, stream.pos)
   }
 
   // Interface
@@ -153,7 +161,7 b' CodeMirror.defineMode("clike", function('
     startState: function(basecolumn) {
       return {
         tokenize: null,
-        context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
+        context: new Context((basecolumn || 0) - indentUnit, 0, "top", null, false),
         indented: 0,
         startOfLine: true,
         prevToken: null
@@ -167,36 +175,32 b' CodeMirror.defineMode("clike", function('
         state.indented = stream.indentation();
         state.startOfLine = true;
       }
-      if (stream.eatSpace()) return null;
+      if (stream.eatSpace()) { maybeEOL(stream, state); return null; }
       curPunc = isDefKeyword = null;
       var style = (state.tokenize || tokenBase)(stream, state);
       if (style == "comment" || style == "meta") return style;
       if (ctx.align == null) ctx.align = true;
 
-      if (endStatement.test(curPunc)) while (isStatement(state.context.type)) popContext(state);
+      if (curPunc == ";" || curPunc == ":" || (curPunc == "," && stream.match(/^\s*(?:\/\/.*)?$/, false)))
+        while (state.context.type == "statement") popContext(state);
       else if (curPunc == "{") pushContext(state, stream.column(), "}");
       else if (curPunc == "[") pushContext(state, stream.column(), "]");
       else if (curPunc == "(") pushContext(state, stream.column(), ")");
       else if (curPunc == "}") {
-        while (isStatement(ctx.type)) ctx = popContext(state);
+        while (ctx.type == "statement") ctx = popContext(state);
         if (ctx.type == "}") ctx = popContext(state);
-        while (isStatement(ctx.type)) ctx = popContext(state);
+        while (ctx.type == "statement") ctx = popContext(state);
       }
       else if (curPunc == ctx.type) popContext(state);
       else if (indentStatements &&
                (((ctx.type == "}" || ctx.type == "top") && curPunc != ";") ||
-                (isStatement(ctx.type) && curPunc == "newstatement"))) {
-        var type = "statement";
-        if (curPunc == "newstatement" && indentSwitch && stream.current() == "switch")
-          type = "switchstatement";
-        else if (style == "keyword" && stream.current() == "namespace")
-          type = "namespace";
-        pushContext(state, stream.column(), type);
+                (ctx.type == "statement" && curPunc == "newstatement"))) {
+        pushContext(state, stream.column(), "statement", stream.current());
       }
 
       if (style == "variable" &&
           ((state.prevToken == "def" ||
-            (parserConfig.typeFirstDefinitions && typeBefore(stream, state) &&
+            (parserConfig.typeFirstDefinitions && typeBefore(stream, state, stream.start) &&
              isTopScope(state.context) && stream.match(/^\s*\(/, false)))))
         style = "def";
 
@@ -209,24 +213,28 b' CodeMirror.defineMode("clike", function('
 
       state.startOfLine = false;
       state.prevToken = isDefKeyword ? "def" : style || curPunc;
+      maybeEOL(stream, state);
       return style;
     },
 
     indent: function(state, textAfter) {
-      if (state.tokenize != tokenBase && state.tokenize != null) return CodeMirror.Pass;
+      if (state.tokenize != tokenBase && state.tokenize != null || state.typeAtEndOfLine) return CodeMirror.Pass;
       var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
-      if (isStatement(ctx.type) && firstChar == "}") ctx = ctx.prev;
+      var closing = firstChar == ctx.type;
+      if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev;
+      if (parserConfig.dontIndentStatements)
+        while (ctx.type == "statement" && parserConfig.dontIndentStatements.test(ctx.info))
+          ctx = ctx.prev
       if (hooks.indent) {
-        var hook = hooks.indent(state, ctx, textAfter);
+        var hook = hooks.indent(state, ctx, textAfter, indentUnit);
         if (typeof hook == "number") return hook
       }
-      var closing = firstChar == ctx.type;
-      var switchBlock = ctx.prev && ctx.prev.type == "switchstatement";
+      var switchBlock = ctx.prev && ctx.prev.info == "switch";
       if (parserConfig.allmanIndentation && /[{(]/.test(firstChar)) {
         while (ctx.type != "top" && ctx.type != "}") ctx = ctx.prev
         return ctx.indented
       }
-      if (isStatement(ctx.type))
+      if (ctx.type == "statement")
         return ctx.indented + (firstChar == "{" ? 0 : statementIndentUnit);
       if (ctx.align && (!dontAlignCalls || ctx.type != ")"))
         return ctx.column + (closing ? 0 : 1);
@@ -240,6 +248,7 b' CodeMirror.defineMode("clike", function('
     electricInput: indentSwitch ? /^\s*(?:case .*?:|default:|\{\}?|\})$/ : /^\s*[{}]$/,
     blockCommentStart: "/*",
     blockCommentEnd: "*/",
+    blockCommentContinue: " * ",
     lineComment: "//",
     fold: "brace"
   };
@@ -258,8 +267,52 b' CodeMirror.defineMode("clike", function('
     }
   }
   var cKeywords = "auto if break case register continue return default do sizeof " +
-    "static else struct switch extern typedef union for goto while enum const volatile";
-  var cTypes = "int long char short double float unsigned signed void size_t ptrdiff_t";
+    "static else struct switch extern typedef union for goto while enum const " +
+    "volatile inline restrict asm fortran";
+
+  // Keywords from https://en.cppreference.com/w/cpp/keyword includes C++20.
+  var cppKeywords = "alignas alignof and and_eq audit axiom bitand bitor catch " +
+  "class compl concept constexpr const_cast decltype delete dynamic_cast " +
+  "explicit export final friend import module mutable namespace new noexcept " +
+  "not not_eq operator or or_eq override private protected public " +
+  "reinterpret_cast requires static_assert static_cast template this " +
+  "thread_local throw try typeid typename using virtual xor xor_eq";
+
+  var objCKeywords = "bycopy byref in inout oneway out self super atomic nonatomic retain copy " +
+  "readwrite readonly strong weak assign typeof nullable nonnull null_resettable _cmd " +
+  "@interface @implementation @end @protocol @encode @property @synthesize @dynamic @class " +
+  "@public @package @private @protected @required @optional @try @catch @finally @import " +
+  "@selector @encode @defs @synchronized @autoreleasepool @compatibility_alias @available";
+
+  var objCBuiltins = "FOUNDATION_EXPORT FOUNDATION_EXTERN NS_INLINE NS_FORMAT_FUNCTION " +
+  " NS_RETURNS_RETAINEDNS_ERROR_ENUM NS_RETURNS_NOT_RETAINED NS_RETURNS_INNER_POINTER " +
+  "NS_DESIGNATED_INITIALIZER NS_ENUM NS_OPTIONS NS_REQUIRES_NIL_TERMINATION " +
+  "NS_ASSUME_NONNULL_BEGIN NS_ASSUME_NONNULL_END NS_SWIFT_NAME NS_REFINED_FOR_SWIFT"
+
+  // Do not use this. Use the cTypes function below. This is global just to avoid
+  // excessive calls when cTypes is being called multiple times during a parse.
+  var basicCTypes = words("int long char short double float unsigned signed " +
+    "void bool");
+
+  // Do not use this. Use the objCTypes function below. This is global just to avoid
+  // excessive calls when objCTypes is being called multiple times during a parse.
+  var basicObjCTypes = words("SEL instancetype id Class Protocol BOOL");
+
+  // Returns true if identifier is a "C" type.
+  // C type is defined as those that are reserved by the compiler (basicTypes),
+  // and those that end in _t (Reserved by POSIX for types)
+  // http://www.gnu.org/software/libc/manual/html_node/Reserved-Names.html
+  function cTypes(identifier) {
+    return contains(basicCTypes, identifier) || /.+_t$/.test(identifier);
+  }
+
+  // Returns true if identifier is a "Objective C" type.
+  function objCTypes(identifier) {
+    return cTypes(identifier) || contains(basicObjCTypes, identifier);
+  }
+
+  var cBlockKeywords = "case do else for if switch while struct enum union";
+  var cDefKeywords = "struct enum union";
 
   function cppHook(stream, state) {
     if (!state.startOfLine) return false
@@ -277,10 +330,18 b' CodeMirror.defineMode("clike", function('
   }
 
   function pointerHook(_stream, state) {
-    if (state.prevToken == "variable-3") return "variable-3";
+    if (state.prevToken == "type") return "type";
     return false;
   }
 
+  // For C and C++ (and ObjC): identifiers starting with __
+  // or _ followed by a capital letter are reserved for the compiler.
+  function cIsReservedIdentifier(token) {
+    if (!token || token.length < 2) return false;
+    if (token[0] != '_') return false;
+    return (token[1] == '_') || (token[1] !== token[1].toLowerCase());
+  }
+
   function cpp14Literal(stream) {
     stream.eatWhile(/[\w\.']/);
     return "number";
@@ -311,7 +372,7 b' CodeMirror.defineMode("clike", function('
   }
 
   function cppLooksLikeConstructor(word) {
-    var lastTwo = /(\w+)::(\w+)$/.exec(word);
+    var lastTwo = /(\w+)::~?(\w+)$/.exec(word);
     return lastTwo && lastTwo[1] == lastTwo[2];
   }
 
@@ -363,29 +424,30 b' CodeMirror.defineMode("clike", function('
   def(["text/x-csrc", "text/x-c", "text/x-chdr"], {
     name: "clike",
     keywords: words(cKeywords),
-    types: words(cTypes + " bool _Complex _Bool float_t double_t intptr_t intmax_t " +
-                 "int8_t int16_t int32_t int64_t uintptr_t uintmax_t uint8_t uint16_t " +
-                 "uint32_t uint64_t"),
-    blockKeywords: words("case do else for if switch while struct"),
-    defKeywords: words("struct"),
+    types: cTypes,
+    blockKeywords: words(cBlockKeywords),
+    defKeywords: words(cDefKeywords),
     typeFirstDefinitions: true,
-    atoms: words("null true false"),
-    hooks: {"#": cppHook, "*": pointerHook},
+    atoms: words("NULL true false"),
+    isReservedIdentifier: cIsReservedIdentifier,
+    hooks: {
+      "#": cppHook,
+      "*": pointerHook,
+    },
     modeProps: {fold: ["brace", "include"]}
   });
 
   def(["text/x-c++src", "text/x-c++hdr"], {
     name: "clike",
-    keywords: words(cKeywords + " asm dynamic_cast namespace reinterpret_cast try explicit new " +
-                    "static_cast typeid catch operator template typename class friend private " +
-                    "this using const_cast inline public throw virtual delete mutable protected " +
-                    "alignas alignof constexpr decltype nullptr noexcept thread_local final " +
-                    "static_assert override"),
-    types: words(cTypes + " bool wchar_t"),
-    blockKeywords: words("catch class do else finally for if struct switch try while"),
-    defKeywords: words("class namespace struct enum union"),
+    keywords: words(cKeywords + " " + cppKeywords),
+    types: cTypes,
+    blockKeywords: words(cBlockKeywords + " class try catch"),
+    defKeywords: words(cDefKeywords + " class namespace"),
     typeFirstDefinitions: true,
-    atoms: words("true false null"),
+    atoms: words("true false NULL nullptr"),
+    dontIndentStatements: /^template$/,
+    isIdentifierChar: /[\w\$_~\xa1-\uffff]/,
+    isReservedIdentifier: cIsReservedIdentifier,
     hooks: {
       "#": cppHook,
       "*": pointerHook,
@@ -418,19 +480,22 b' CodeMirror.defineMode("clike", function('
   def("text/x-java", {
     name: "clike",
     keywords: words("abstract assert break case catch class const continue default " +
-                    "do else enum extends final finally float for goto if implements import " +
+                    "do else enum extends final finally for goto if implements import " +
                     "instanceof interface native new package private protected public " +
                     "return static strictfp super switch synchronized this throw throws transient " +
-                    "try volatile while"),
+                    "try volatile while @interface"),
     types: words("byte short int long float double boolean char void Boolean Byte Character Double Float " +
                  "Integer Long Number Object Short String StringBuffer StringBuilder Void"),
     blockKeywords: words("catch class do else finally for if switch try while"),
-    defKeywords: words("class interface package enum"),
+    defKeywords: words("class interface enum @interface"),
     typeFirstDefinitions: true,
     atoms: words("true false null"),
-    endStatement: /^[;:]$/,
+    number: /^(?:0x[a-f\d_]+|0b[01_]+|(?:[\d_]+\.?\d*|\.\d+)(?:e[-+]?[\d_]+)?)(u|ll?|l|f)?/i,
     hooks: {
       "@": function(stream) {
+        // Don't match the @interface keyword.
+        if (stream.match('interface', false)) return false;
+
         stream.eatWhile(/[\w\$_]/);
         return "meta";
       }
@@ -479,25 +544,42 b' CodeMirror.defineMode("clike", function('
     return "string";
   }
 
+  function tokenNestedComment(depth) {
+    return function (stream, state) {
+      var ch
+      while (ch = stream.next()) {
+        if (ch == "*" && stream.eat("/")) {
+          if (depth == 1) {
+            state.tokenize = null
+            break
+          } else {
+            state.tokenize = tokenNestedComment(depth - 1)
+            return state.tokenize(stream, state)
+          }
+        } else if (ch == "/" && stream.eat("*")) {
+          state.tokenize = tokenNestedComment(depth + 1)
+          return state.tokenize(stream, state)
+        }
+      }
+      return "comment"
+    }
+  }
+
   def("text/x-scala", {
     name: "clike",
     keywords: words(
-
       /* scala */
       "abstract case catch class def do else extends final finally for forSome if " +
       "implicit import lazy match new null object override package private protected return " +
-      "sealed super this throw trait try type val var while with yield _ : = => <- <: " +
-      "<% >: # @ " +
+      "sealed super this throw trait try type val var while with yield _ " +
 
       /* package scala */
       "assert assume require print println printf readLine readBoolean readByte readShort " +
-      "readChar readInt readLong readFloat readDouble " +
-
-      ":: #:: "
+      "readChar readInt readLong readFloat readDouble"
     ),
     types: words(
       "AnyVal App Application Array BufferedIterator BigDecimal BigInt Char Console Either " +
-      "Enumeration Equiv Error Exception Fractional Function IndexedSeq Integral Iterable " +
+      "Enumeration Equiv Error Exception Fractional Function IndexedSeq Int Integral Iterable " +
       "Iterator List Map Numeric Nil NotNull Option Ordered Ordering PartialFunction PartialOrdering " +
       "Product Proxy Range Responder Seq Serializable Set Specializable Stream StringBuilder " +
       "StringContext Symbol Throwable Traversable TraversableOnce Tuple Unit Vector " +
@@ -509,11 +591,12 b' CodeMirror.defineMode("clike", function('
       "StringBuffer System Thread ThreadGroup ThreadLocal Throwable Triple Void"
     ),
     multiLineStrings: true,
-    blockKeywords: words("catch class do else finally for forSome if match switch try while"),
-    defKeywords: words("class def object package trait type val var"),
+    blockKeywords: words("catch class enum do else finally for forSome if match switch try while"),
+    defKeywords: words("class enum def object package trait type val var"),
     atoms: words("true false null"),
     indentStatements: false,
     indentSwitch: false,
+    isOperatorChar: /[+\-*&%=<>!?|\/#:@]/,
     hooks: {
       "@": function(stream) {
         stream.eatWhile(/[\w\$_]/);
@@ -527,9 +610,24 b' CodeMirror.defineMode("clike", function('
       "'": function(stream) {
         stream.eatWhile(/[\w\$_\xa1-\uffff]/);
         return "atom";
+      },
+      "=": function(stream, state) {
+        var cx = state.context
+        if (cx.type == "}" && cx.align && stream.eat(">")) {
+          state.context = new Context(cx.indented, cx.column, cx.type, cx.info, null, cx.prev)
+          return "operator"
+        } else {
+          return false
+        }
+      },
+
+      "/": function(stream, state) {
+        if (!stream.eat("*")) return false
+        state.tokenize = tokenNestedComment(1)
+        return state.tokenize(stream, state)
       }
     },
-    modeProps: {closeBrackets: {triples: '"'}}
+    modeProps: {closeBrackets: {pairs: '()[]{}""', triples: '"'}}
   });
 
   function tokenKotlinString(tripleString){
@@ -553,33 +651,59 b' CodeMirror.defineMode("clike", function('
     name: "clike",
     keywords: words(
       /*keywords*/
-      "package as typealias class interface this super val " +
-      "var fun for is in This throw return " +
+      "package as typealias class interface this super val operator " +
+      "var fun for is in This throw return annotation " +
       "break continue object if else while do try when !in !is as? " +
 
       /*soft keywords*/
       "file import where by get set abstract enum open inner override private public internal " +
       "protected catch finally out final vararg reified dynamic companion constructor init " +
       "sealed field property receiver param sparam lateinit data inline noinline tailrec " +
-      "external annotation crossinline const operator infix"
+      "external annotation crossinline const operator infix suspend actual expect setparam"
     ),
     types: words(
       /* package java.lang */
       "Boolean Byte Character CharSequence Class ClassLoader Cloneable Comparable " +
       "Compiler Double Exception Float Integer Long Math Number Object Package Pair Process " +
       "Runtime Runnable SecurityManager Short StackTraceElement StrictMath String " +
-      "StringBuffer System Thread ThreadGroup ThreadLocal Throwable Triple Void"
+      "StringBuffer System Thread ThreadGroup ThreadLocal Throwable Triple Void Annotation Any BooleanArray " +
+      "ByteArray Char CharArray DeprecationLevel DoubleArray Enum FloatArray Function Int IntArray Lazy " +
+      "LazyThreadSafetyMode LongArray Nothing ShortArray Unit"
     ),
     intendSwitch: false,
     indentStatements: false,
     multiLineStrings: true,
+    number: /^(?:0x[a-f\d_]+|0b[01_]+|(?:[\d_]+(\.\d+)?|\.\d+)(?:e[-+]?[\d_]+)?)(u|ll?|l|f)?/i,
     blockKeywords: words("catch class do else finally for if where try while enum"),
-    defKeywords: words("class val var object package interface fun"),
+    defKeywords: words("class val var object interface fun"),
     atoms: words("true false null this"),
     hooks: {
+      "@": function(stream) {
+        stream.eatWhile(/[\w\$_]/);
+        return "meta";
+      },
+      '*': function(_stream, state) {
+        return state.prevToken == '.' ? 'variable' : 'operator';
+      },
       '"': function(stream, state) {
         state.tokenize = tokenKotlinString(stream.match('""'));
         return state.tokenize(stream, state);
+      },
+      "/": function(stream, state) {
+        if (!stream.eat("*")) return false;
+        state.tokenize = tokenNestedComment(1);
+        return state.tokenize(stream, state)
+      },
+      indent: function(state, ctx, textAfter, indentUnit) {
+        var firstChar = textAfter && textAfter.charAt(0);
+        if ((state.prevToken == "}" || state.prevToken == ")") && textAfter == "")
+          return state.indented;
+        if ((state.prevToken == "operator" && textAfter != "}" && state.context.type != "}") ||
+          state.prevToken == "variable" && firstChar == "." ||
+          (state.prevToken == "}" || state.prevToken == ")") && firstChar == ".")
+          return indentUnit * 2 + ctx.indented;
+        if (ctx.align && ctx.type == "}")
+          return ctx.indented + (state.context.type == (textAfter || "").charAt(0) ? 0 : indentUnit);
       }
     },
     modeProps: {closeBrackets: {triples: '"'}}
@@ -646,11 +770,11 b' CodeMirror.defineMode("clike", function('
 
   def("text/x-nesc", {
     name: "clike",
-    keywords: words(cKeywords + "as atomic async call command component components configuration event generic " +
+    keywords: words(cKeywords + " as atomic async call command component components configuration event generic " +
                     "implementation includes interface module new norace nx_struct nx_union post provides " +
                     "signal task uses abstract extends"),
-    types: words(cTypes),
-    blockKeywords: words("case do else for if switch while struct"),
+    types: cTypes,
+    blockKeywords: words(cBlockKeywords),
     atoms: words("null true false"),
     hooks: {"#": cppHook},
     modeProps: {fold: ["brace", "include"]}
@@ -658,28 +782,67 b' CodeMirror.defineMode("clike", function('
 
   def("text/x-objectivec", {
     name: "clike",
-    keywords: words(cKeywords + "inline restrict _Bool _Complex _Imaginery BOOL Class bycopy byref id IMP in " +
-                    "inout nil oneway out Protocol SEL self super atomic nonatomic retain copy readwrite readonly"),
-    types: words(cTypes),
-    atoms: words("YES NO NULL NILL ON OFF true false"),
+    keywords: words(cKeywords + " " + objCKeywords),
+    types: objCTypes,
+    builtin: words(objCBuiltins),
+    blockKeywords: words(cBlockKeywords + " @synthesize @try @catch @finally @autoreleasepool @synchronized"),
+    defKeywords: words(cDefKeywords + " @interface @implementation @protocol @class"),
+    dontIndentStatements: /^@.*$/,
+    typeFirstDefinitions: true,
+    atoms: words("YES NO NULL Nil nil true false nullptr"),
+    isReservedIdentifier: cIsReservedIdentifier,
     hooks: {
-      "@": function(stream) {
-        stream.eatWhile(/[\w\$]/);
-        return "keyword";
-      },
+      "#": cppHook,
+      "*": pointerHook,
+    },
+    modeProps: {fold: ["brace", "include"]}
+  });
+
+  def("text/x-objectivec++", {
+    name: "clike",
+    keywords: words(cKeywords + " " + objCKeywords + " " + cppKeywords),
+    types: objCTypes,
+    builtin: words(objCBuiltins),
+    blockKeywords: words(cBlockKeywords + " @synthesize @try @catch @finally @autoreleasepool @synchronized class try catch"),
+    defKeywords: words(cDefKeywords + " @interface @implementation @protocol @class class namespace"),
+    dontIndentStatements: /^@.*$|^template$/,
+    typeFirstDefinitions: true,
+    atoms: words("YES NO NULL Nil nil true false nullptr"),
+    isReservedIdentifier: cIsReservedIdentifier,
+    hooks: {
       "#": cppHook,
-      indent: function(_state, ctx, textAfter) {
-        if (ctx.type == "statement" && /^@\w/.test(textAfter)) return ctx.indented
+      "*": pointerHook,
+      "u": cpp11StringHook,
+      "U": cpp11StringHook,
+      "L": cpp11StringHook,
+      "R": cpp11StringHook,
+      "0": cpp14Literal,
+      "1": cpp14Literal,
+      "2": cpp14Literal,
+      "3": cpp14Literal,
+      "4": cpp14Literal,
+      "5": cpp14Literal,
+      "6": cpp14Literal,
+      "7": cpp14Literal,
+      "8": cpp14Literal,
+      "9": cpp14Literal,
+      token: function(stream, state, style) {
+        if (style == "variable" && stream.peek() == "(" &&
+            (state.prevToken == ";" || state.prevToken == null ||
+             state.prevToken == "}") &&
+            cppLooksLikeConstructor(stream.current()))
+          return "def";
       }
     },
-    modeProps: {fold: "brace"}
+    namespaceSeparator: "::",
+    modeProps: {fold: ["brace", "include"]}
   });
 
   def("text/x-squirrel", {
     name: "clike",
     keywords: words("base break clone continue const default delete enum extends function in class" +
                     " foreach local resume return this throw typeof yield constructor instanceof static"),
-    types: words(cTypes),
+    types: cTypes,
     blockKeywords: words("case catch class else for foreach if switch try while"),
     defKeywords: words("function local class"),
     typeFirstDefinitions: true,
@@ -757,7 +920,7 b' CodeMirror.defineMode("clike", function('
         return "atom";
       },
       token: function(_stream, state, style) {
-          if ((style == "variable" || style == "variable-3") &&
+          if ((style == "variable" || style == "type") &&
               state.prevToken == ".") {
             return "variable-2";
           }

rhodecode/public/js/mode/clojure/clojure.js

@@ -1,15 +1,10 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-/**
- * Author: Hans Engel
- * Branched from CodeMirror's Scheme mode (by Koh Zi Han, based on implementation by Koh Zi Chun)
- */
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
-  if (typeof exports == "object" && typeof module == "object") // CommonJS
+  if (typeof exports === "object" && typeof module === "object") // CommonJS
     mod(require("../../lib/codemirror"));
-  else if (typeof define == "function" && define.amd) // AMD
+  else if (typeof define === "function" && define.amd) // AMD
     define(["../../lib/codemirror"], mod);
   else // Plain browser env
     mod(CodeMirror);
@@ -17,233 +12,281 b''
 "use strict";
 
 CodeMirror.defineMode("clojure", function (options) {
-    var BUILTIN = "builtin", COMMENT = "comment", STRING = "string", CHARACTER = "string-2",
-        ATOM = "atom", NUMBER = "number", BRACKET = "bracket", KEYWORD = "keyword", VAR = "variable";
-    var INDENT_WORD_SKIP = options.indentUnit || 2;
-    var NORMAL_INDENT_UNIT = options.indentUnit || 2;
-
-    function makeKeywords(str) {
-        var obj = {}, words = str.split(" ");
-        for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
-        return obj;
-    }
-
-    var atoms = makeKeywords("true false nil");
-
-    var keywords = makeKeywords(
-      "defn defn- def def- defonce defmulti defmethod defmacro defstruct deftype defprotocol defrecord defproject deftest slice defalias defhinted defmacro- defn-memo defnk defnk defonce- defunbound defunbound- defvar defvar- let letfn do case cond condp for loop recur when when-not when-let when-first if if-let if-not . .. -> ->> doto and or dosync doseq dotimes dorun doall load import unimport ns in-ns refer try catch finally throw with-open with-local-vars binding gen-class gen-and-load-class gen-and-save-class handler-case handle");
-
-    var builtins = makeKeywords(
-        "* *' *1 *2 *3 *agent* *allow-unresolved-vars* *assert* *clojure-version* *command-line-args* *compile-files* *compile-path* *compiler-options* *data-readers* *e *err* *file* *flush-on-newline* *fn-loader* *in* *math-context* *ns* *out* *print-dup* *print-length* *print-level* *print-meta* *print-readably* *read-eval* *source-path* *unchecked-math* *use-context-classloader* *verbose-defrecords* *warn-on-reflection* + +' - -' -> ->> ->ArrayChunk ->Vec ->VecNode ->VecSeq -cache-protocol-fn -reset-methods .. / < <= = == > >= EMPTY-NODE accessor aclone add-classpath add-watch agent agent-error agent-errors aget alength alias all-ns alter alter-meta! alter-var-root amap ancestors and apply areduce array-map aset aset-boolean aset-byte aset-char aset-double aset-float aset-int aset-long aset-short assert assoc assoc! assoc-in associative? atom await await-for await1 bases bean bigdec bigint biginteger binding bit-and bit-and-not bit-clear bit-flip bit-not bit-or bit-set bit-shift-left bit-shift-right bit-test bit-xor boolean boolean-array booleans bound-fn bound-fn* bound? butlast byte byte-array bytes case cast char char-array char-escape-string char-name-string char? chars chunk chunk-append chunk-buffer chunk-cons chunk-first chunk-next chunk-rest chunked-seq? class class? clear-agent-errors clojure-version coll? comment commute comp comparator compare compare-and-set! compile complement concat cond condp conj conj! cons constantly construct-proxy contains? count counted? create-ns create-struct cycle dec dec' decimal? declare default-data-readers definline definterface defmacro defmethod defmulti defn defn- defonce defprotocol defrecord defstruct deftype delay delay? deliver denominator deref derive descendants destructure disj disj! dissoc dissoc! distinct distinct? doall dorun doseq dosync dotimes doto double double-array doubles drop drop-last drop-while empty empty? ensure enumeration-seq error-handler error-mode eval even? every-pred every? ex-data ex-info extend extend-protocol extend-type extenders extends? false? ffirst file-seq filter filterv find find-keyword find-ns find-protocol-impl find-protocol-method find-var first flatten float float-array float? floats flush fn fn? fnext fnil for force format frequencies future future-call future-cancel future-cancelled? future-done? future? gen-class gen-interface gensym get get-in get-method get-proxy-class get-thread-bindings get-validator group-by hash hash-combine hash-map hash-set identical? identity if-let if-not ifn? import in-ns inc inc' init-proxy instance? int int-array integer? interleave intern interpose into into-array ints io! isa? iterate iterator-seq juxt keep keep-indexed key keys keyword keyword? last lazy-cat lazy-seq let letfn line-seq list list* list? load load-file load-reader load-string loaded-libs locking long long-array longs loop macroexpand macroexpand-1 make-array make-hierarchy map map-indexed map? mapcat mapv max max-key memfn memoize merge merge-with meta method-sig methods min min-key mod munge name namespace namespace-munge neg? newline next nfirst nil? nnext not not-any? not-empty not-every? not= ns ns-aliases ns-imports ns-interns ns-map ns-name ns-publics ns-refers ns-resolve ns-unalias ns-unmap nth nthnext nthrest num number? numerator object-array odd? or parents partial partition partition-all partition-by pcalls peek persistent! pmap pop pop! pop-thread-bindings pos? pr pr-str prefer-method prefers primitives-classnames print print-ctor print-dup print-method print-simple print-str printf println println-str prn prn-str promise proxy proxy-call-with-super proxy-mappings proxy-name proxy-super push-thread-bindings pvalues quot rand rand-int rand-nth range ratio? rational? rationalize re-find re-groups re-matcher re-matches re-pattern re-seq read read-line read-string realized? reduce reduce-kv reductions ref ref-history-count ref-max-history ref-min-history ref-set refer refer-clojure reify release-pending-sends rem remove remove-all-methods remove-method remove-ns remove-watch repeat repeatedly replace replicate require reset! reset-meta! resolve rest restart-agent resultset-seq reverse reversible? rseq rsubseq satisfies? second select-keys send send-off seq seq? seque sequence sequential? set set-error-handler! set-error-mode! set-validator! set? short short-array shorts shuffle shutdown-agents slurp some some-fn sort sort-by sorted-map sorted-map-by sorted-set sorted-set-by sorted? special-symbol? spit split-at split-with str string? struct struct-map subs subseq subvec supers swap! symbol symbol? sync take take-last take-nth take-while test the-ns thread-bound? time to-array to-array-2d trampoline transient tree-seq true? type unchecked-add unchecked-add-int unchecked-byte unchecked-char unchecked-dec unchecked-dec-int unchecked-divide-int unchecked-double unchecked-float unchecked-inc unchecked-inc-int unchecked-int unchecked-long unchecked-multiply unchecked-multiply-int unchecked-negate unchecked-negate-int unchecked-remainder-int unchecked-short unchecked-subtract unchecked-subtract-int underive unquote unquote-splicing update-in update-proxy use val vals var-get var-set var? vary-meta vec vector vector-of vector? when when-first when-let when-not while with-bindings with-bindings* with-in-str with-loading-context with-local-vars with-meta with-open with-out-str with-precision with-redefs with-redefs-fn xml-seq zero? zipmap *default-data-reader-fn* as-> cond-> cond->> reduced reduced? send-via set-agent-send-executor! set-agent-send-off-executor! some-> some->>");
-
-    var indentKeys = makeKeywords(
-        // Built-ins
-        "ns fn def defn defmethod bound-fn if if-not case condp when while when-not when-first do future comment doto locking proxy with-open with-precision reify deftype defrecord defprotocol extend extend-protocol extend-type try catch " +
-
-        // Binding forms
-        "let letfn binding loop for doseq dotimes when-let if-let " +
-
-        // Data structures
-        "defstruct struct-map assoc " +
-
-        // clojure.test
-        "testing deftest " +
-
-        // contrib
-        "handler-case handle dotrace deftrace");
-
-    var tests = {
-        digit: /\d/,
-        digit_or_colon: /[\d:]/,
-        hex: /[0-9a-f]/i,
-        sign: /[+-]/,
-        exponent: /e/i,
-        keyword_char: /[^\s\(\[\;\)\]]/,
-        symbol: /[\w*+!\-\._?:<>\/\xa1-\uffff]/,
-        block_indent: /^(?:def|with)[^\/]+$|\/(?:def|with)/
-    };
-
-    function stateStack(indent, type, prev) { // represents a state stack object
-        this.indent = indent;
-        this.type = type;
-        this.prev = prev;
-    }
+  var atoms = ["false", "nil", "true"];
+  var specialForms = [".", "catch", "def", "do", "if", "monitor-enter",
+      "monitor-exit", "new", "quote", "recur", "set!", "throw", "try", "var"];
+  var coreSymbols = ["*", "*'", "*1", "*2", "*3", "*agent*",
+      "*allow-unresolved-vars*", "*assert*", "*clojure-version*",
+      "*command-line-args*", "*compile-files*", "*compile-path*",
+      "*compiler-options*", "*data-readers*", "*default-data-reader-fn*", "*e",
+      "*err*", "*file*", "*flush-on-newline*", "*fn-loader*", "*in*",
+      "*math-context*", "*ns*", "*out*", "*print-dup*", "*print-length*",
+      "*print-level*", "*print-meta*", "*print-namespace-maps*",
+      "*print-readably*", "*read-eval*", "*reader-resolver*", "*source-path*",
+      "*suppress-read*", "*unchecked-math*", "*use-context-classloader*",
+      "*verbose-defrecords*", "*warn-on-reflection*", "+", "+'", "-", "-'",
+      "->", "->>", "->ArrayChunk", "->Eduction", "->Vec", "->VecNode",
+      "->VecSeq", "-cache-protocol-fn", "-reset-methods", "..", "/", "<", "<=",
+      "=", "==", ">", ">=", "EMPTY-NODE", "Inst", "StackTraceElement->vec",
+      "Throwable->map", "accessor", "aclone", "add-classpath", "add-watch",
+      "agent", "agent-error", "agent-errors", "aget", "alength", "alias",
+      "all-ns", "alter", "alter-meta!", "alter-var-root", "amap", "ancestors",
+      "and", "any?", "apply", "areduce", "array-map", "as->", "aset",
+      "aset-boolean", "aset-byte", "aset-char", "aset-double", "aset-float",
+      "aset-int", "aset-long", "aset-short", "assert", "assoc", "assoc!",
+      "assoc-in", "associative?", "atom", "await", "await-for", "await1",
+      "bases", "bean", "bigdec", "bigint", "biginteger", "binding", "bit-and",
+      "bit-and-not", "bit-clear", "bit-flip", "bit-not", "bit-or", "bit-set",
+      "bit-shift-left", "bit-shift-right", "bit-test", "bit-xor", "boolean",
+      "boolean-array", "boolean?", "booleans", "bound-fn", "bound-fn*",
+      "bound?", "bounded-count", "butlast", "byte", "byte-array", "bytes",
+      "bytes?", "case", "cast", "cat", "char", "char-array",
+      "char-escape-string", "char-name-string", "char?", "chars", "chunk",
+      "chunk-append", "chunk-buffer", "chunk-cons", "chunk-first", "chunk-next",
+      "chunk-rest", "chunked-seq?", "class", "class?", "clear-agent-errors",
+      "clojure-version", "coll?", "comment", "commute", "comp", "comparator",
+      "compare", "compare-and-set!", "compile", "complement", "completing",
+      "concat", "cond", "cond->", "cond->>", "condp", "conj", "conj!", "cons",
+      "constantly", "construct-proxy", "contains?", "count", "counted?",
+      "create-ns", "create-struct", "cycle", "dec", "dec'", "decimal?",
+      "declare", "dedupe", "default-data-readers", "definline", "definterface",
+      "defmacro", "defmethod", "defmulti", "defn", "defn-", "defonce",
+      "defprotocol", "defrecord", "defstruct", "deftype", "delay", "delay?",
+      "deliver", "denominator", "deref", "derive", "descendants", "destructure",
+      "disj", "disj!", "dissoc", "dissoc!", "distinct", "distinct?", "doall",
+      "dorun", "doseq", "dosync", "dotimes", "doto", "double", "double-array",
+      "double?", "doubles", "drop", "drop-last", "drop-while", "eduction",
+      "empty", "empty?", "ensure", "ensure-reduced", "enumeration-seq",
+      "error-handler", "error-mode", "eval", "even?", "every-pred", "every?",
+      "ex-data", "ex-info", "extend", "extend-protocol", "extend-type",
+      "extenders", "extends?", "false?", "ffirst", "file-seq", "filter",
+      "filterv", "find", "find-keyword", "find-ns", "find-protocol-impl",
+      "find-protocol-method", "find-var", "first", "flatten", "float",
+      "float-array", "float?", "floats", "flush", "fn", "fn?", "fnext", "fnil",
+      "for", "force", "format", "frequencies", "future", "future-call",
+      "future-cancel", "future-cancelled?", "future-done?", "future?",
+      "gen-class", "gen-interface", "gensym", "get", "get-in", "get-method",
+      "get-proxy-class", "get-thread-bindings", "get-validator", "group-by",
+      "halt-when", "hash", "hash-combine", "hash-map", "hash-ordered-coll",
+      "hash-set", "hash-unordered-coll", "ident?", "identical?", "identity",
+      "if-let", "if-not", "if-some", "ifn?", "import", "in-ns", "inc", "inc'",
+      "indexed?", "init-proxy", "inst-ms", "inst-ms*", "inst?", "instance?",
+      "int", "int-array", "int?", "integer?", "interleave", "intern",
+      "interpose", "into", "into-array", "ints", "io!", "isa?", "iterate",
+      "iterator-seq", "juxt", "keep", "keep-indexed", "key", "keys", "keyword",
+      "keyword?", "last", "lazy-cat", "lazy-seq", "let", "letfn", "line-seq",
+      "list", "list*", "list?", "load", "load-file", "load-reader",
+      "load-string", "loaded-libs", "locking", "long", "long-array", "longs",
+      "loop", "macroexpand", "macroexpand-1", "make-array", "make-hierarchy",
+      "map", "map-entry?", "map-indexed", "map?", "mapcat", "mapv", "max",
+      "max-key", "memfn", "memoize", "merge", "merge-with", "meta",
+      "method-sig", "methods", "min", "min-key", "mix-collection-hash", "mod",
+      "munge", "name", "namespace", "namespace-munge", "nat-int?", "neg-int?",
+      "neg?", "newline", "next", "nfirst", "nil?", "nnext", "not", "not-any?",
+      "not-empty", "not-every?", "not=", "ns", "ns-aliases", "ns-imports",
+      "ns-interns", "ns-map", "ns-name", "ns-publics", "ns-refers",
+      "ns-resolve", "ns-unalias", "ns-unmap", "nth", "nthnext", "nthrest",
+      "num", "number?", "numerator", "object-array", "odd?", "or", "parents",
+      "partial", "partition", "partition-all", "partition-by", "pcalls", "peek",
+      "persistent!", "pmap", "pop", "pop!", "pop-thread-bindings", "pos-int?",
+      "pos?", "pr", "pr-str", "prefer-method", "prefers",
+      "primitives-classnames", "print", "print-ctor", "print-dup",
+      "print-method", "print-simple", "print-str", "printf", "println",
+      "println-str", "prn", "prn-str", "promise", "proxy",
+      "proxy-call-with-super", "proxy-mappings", "proxy-name", "proxy-super",
+      "push-thread-bindings", "pvalues", "qualified-ident?",
+      "qualified-keyword?", "qualified-symbol?", "quot", "rand", "rand-int",
+      "rand-nth", "random-sample", "range", "ratio?", "rational?",
+      "rationalize", "re-find", "re-groups", "re-matcher", "re-matches",
+      "re-pattern", "re-seq", "read", "read-line", "read-string",
+      "reader-conditional", "reader-conditional?", "realized?", "record?",
+      "reduce", "reduce-kv", "reduced", "reduced?", "reductions", "ref",
+      "ref-history-count", "ref-max-history", "ref-min-history", "ref-set",
+      "refer", "refer-clojure", "reify", "release-pending-sends", "rem",
+      "remove", "remove-all-methods", "remove-method", "remove-ns",
+      "remove-watch", "repeat", "repeatedly", "replace", "replicate", "require",
+      "reset!", "reset-meta!", "reset-vals!", "resolve", "rest",
+      "restart-agent", "resultset-seq", "reverse", "reversible?", "rseq",
+      "rsubseq", "run!", "satisfies?", "second", "select-keys", "send",
+      "send-off", "send-via", "seq", "seq?", "seqable?", "seque", "sequence",
+      "sequential?", "set", "set-agent-send-executor!",
+      "set-agent-send-off-executor!", "set-error-handler!", "set-error-mode!",
+      "set-validator!", "set?", "short", "short-array", "shorts", "shuffle",
+      "shutdown-agents", "simple-ident?", "simple-keyword?", "simple-symbol?",
+      "slurp", "some", "some->", "some->>", "some-fn", "some?", "sort",
+      "sort-by", "sorted-map", "sorted-map-by", "sorted-set", "sorted-set-by",
+      "sorted?", "special-symbol?", "spit", "split-at", "split-with", "str",
+      "string?", "struct", "struct-map", "subs", "subseq", "subvec", "supers",
+      "swap!", "swap-vals!", "symbol", "symbol?", "sync", "tagged-literal",
+      "tagged-literal?", "take", "take-last", "take-nth", "take-while", "test",
+      "the-ns", "thread-bound?", "time", "to-array", "to-array-2d",
+      "trampoline", "transduce", "transient", "tree-seq", "true?", "type",
+      "unchecked-add", "unchecked-add-int", "unchecked-byte", "unchecked-char",
+      "unchecked-dec", "unchecked-dec-int", "unchecked-divide-int",
+      "unchecked-double", "unchecked-float", "unchecked-inc",
+      "unchecked-inc-int", "unchecked-int", "unchecked-long",
+      "unchecked-multiply", "unchecked-multiply-int", "unchecked-negate",
+      "unchecked-negate-int", "unchecked-remainder-int", "unchecked-short",
+      "unchecked-subtract", "unchecked-subtract-int", "underive", "unquote",
+      "unquote-splicing", "unreduced", "unsigned-bit-shift-right", "update",
+      "update-in", "update-proxy", "uri?", "use", "uuid?", "val", "vals",
+      "var-get", "var-set", "var?", "vary-meta", "vec", "vector", "vector-of",
+      "vector?", "volatile!", "volatile?", "vreset!", "vswap!", "when",
+      "when-first", "when-let", "when-not", "when-some", "while",
+      "with-bindings", "with-bindings*", "with-in-str", "with-loading-context",
+      "with-local-vars", "with-meta", "with-open", "with-out-str",
+      "with-precision", "with-redefs", "with-redefs-fn", "xml-seq", "zero?",
+      "zipmap"];
+  var haveBodyParameter = [
+      "->", "->>", "as->", "binding", "bound-fn", "case", "catch", "comment",
+      "cond", "cond->", "cond->>", "condp", "def", "definterface", "defmethod",
+      "defn", "defmacro", "defprotocol", "defrecord", "defstruct", "deftype",
+      "do", "doseq", "dotimes", "doto", "extend", "extend-protocol",
+      "extend-type", "fn", "for", "future", "if", "if-let", "if-not", "if-some",
+      "let", "letfn", "locking", "loop", "ns", "proxy", "reify", "struct-map",
+      "some->", "some->>", "try", "when", "when-first", "when-let", "when-not",
+      "when-some", "while", "with-bindings", "with-bindings*", "with-in-str",
+      "with-loading-context", "with-local-vars", "with-meta", "with-open",
+      "with-out-str", "with-precision", "with-redefs", "with-redefs-fn"];
 
-    function pushStack(state, indent, type) {
-        state.indentStack = new stateStack(indent, type, state.indentStack);
-    }
-
-    function popStack(state) {
-        state.indentStack = state.indentStack.prev;
-    }
+  CodeMirror.registerHelper("hintWords", "clojure",
+    [].concat(atoms, specialForms, coreSymbols));
 
-    function isNumber(ch, stream){
-        // hex
-        if ( ch === '0' && stream.eat(/x/i) ) {
-            stream.eatWhile(tests.hex);
-            return true;
-        }
+  var atom = createLookupMap(atoms);
+  var specialForm = createLookupMap(specialForms);
+  var coreSymbol = createLookupMap(coreSymbols);
+  var hasBodyParameter = createLookupMap(haveBodyParameter);
+  var delimiter = /^(?:[\\\[\]\s"(),;@^`{}~]|$)/;
+  var numberLiteral = /^(?:[+\-]?\d+(?:(?:N|(?:[eE][+\-]?\d+))|(?:\.?\d*(?:M|(?:[eE][+\-]?\d+))?)|\/\d+|[xX][0-9a-fA-F]+|r[0-9a-zA-Z]+)?(?=[\\\[\]\s"#'(),;@^`{}~]|$))/;
+  var characterLiteral = /^(?:\\(?:backspace|formfeed|newline|return|space|tab|o[0-7]{3}|u[0-9A-Fa-f]{4}|x[0-9A-Fa-f]{4}|.)?(?=[\\\[\]\s"(),;@^`{}~]|$))/;
 
-        // leading sign
-        if ( ( ch == '+' || ch == '-' ) && ( tests.digit.test(stream.peek()) ) ) {
-          stream.eat(tests.sign);
-          ch = stream.next();
-        }
-
-        if ( tests.digit.test(ch) ) {
-            stream.eat(ch);
-            stream.eatWhile(tests.digit);
+  // simple-namespace := /^[^\\\/\[\]\d\s"#'(),;@^`{}~][^\\\[\]\s"(),;@^`{}~]*/
+  // simple-symbol    := /^(?:\/|[^\\\/\[\]\d\s"#'(),;@^`{}~][^\\\[\]\s"(),;@^`{}~]*)/
+  // qualified-symbol := (<simple-namespace>(<.><simple-namespace>)*</>)?<simple-symbol>
+  var qualifiedSymbol = /^(?:(?:[^\\\/\[\]\d\s"#'(),;@^`{}~][^\\\[\]\s"(),;@^`{}~]*(?:\.[^\\\/\[\]\d\s"#'(),;@^`{}~][^\\\[\]\s"(),;@^`{}~]*)*\/)?(?:\/|[^\\\/\[\]\d\s"#'(),;@^`{}~][^\\\[\]\s"(),;@^`{}~]*)*(?=[\\\[\]\s"(),;@^`{}~]|$))/;
 
-            if ( '.' == stream.peek() ) {
-                stream.eat('.');
-                stream.eatWhile(tests.digit);
-            } else if ('/' == stream.peek() ) {
-                stream.eat('/');
-                stream.eatWhile(tests.digit);
-            }
-
-            if ( stream.eat(tests.exponent) ) {
-                stream.eat(tests.sign);
-                stream.eatWhile(tests.digit);
-            }
-
-            return true;
-        }
+  function base(stream, state) {
+    if (stream.eatSpace() || stream.eat(",")) return ["space", null];
+    if (stream.match(numberLiteral)) return [null, "number"];
+    if (stream.match(characterLiteral)) return [null, "string-2"];
+    if (stream.eat(/^"/)) return (state.tokenize = inString)(stream, state);
+    if (stream.eat(/^[(\[{]/)) return ["open", "bracket"];
+    if (stream.eat(/^[)\]}]/)) return ["close", "bracket"];
+    if (stream.eat(/^;/)) {stream.skipToEnd(); return ["space", "comment"];}
+    if (stream.eat(/^[#'@^`~]/)) return [null, "meta"];
 
-        return false;
-    }
+    var matches = stream.match(qualifiedSymbol);
+    var symbol = matches && matches[0];
 
-    // Eat character that starts after backslash \
-    function eatCharacter(stream) {
-        var first = stream.next();
-        // Read special literals: backspace, newline, space, return.
-        // Just read all lowercase letters.
-        if (first && first.match(/[a-z]/) && stream.match(/[a-z]+/, true)) {
-            return;
-        }
-        // Read unicode character: \u1000 \uA0a1
-        if (first === "u") {
-            stream.match(/[0-9a-z]{4}/i, true);
-        }
+    if (!symbol) {
+      // advance stream by at least one character so we don't get stuck.
+      stream.next();
+      stream.eatWhile(function (c) {return !is(c, delimiter);});
+      return [null, "error"];
     }
 
-    return {
-        startState: function () {
-            return {
-                indentStack: null,
-                indentation: 0,
-                mode: false
-            };
-        },
+    if (symbol === "comment" && state.lastToken === "(")
+      return (state.tokenize = inComment)(stream, state);
+    if (is(symbol, atom) || symbol.charAt(0) === ":") return ["symbol", "atom"];
+    if (is(symbol, specialForm) || is(symbol, coreSymbol)) return ["symbol", "keyword"];
+    if (state.lastToken === "(") return ["symbol", "builtin"]; // other operator
+
+    return ["symbol", "variable"];
+  }
 
-        token: function (stream, state) {
-            if (state.indentStack == null && stream.sol()) {
-                // update indentation, but only if indentStack is empty
-                state.indentation = stream.indentation();
-            }
+  function inString(stream, state) {
+    var escaped = false, next;
+
+    while (next = stream.next()) {
+      if (next === "\"" && !escaped) {state.tokenize = base; break;}
+      escaped = !escaped && next === "\\";
+    }
+
+    return [null, "string"];
+  }
 
-            // skip spaces
-            if (state.mode != "string" && stream.eatSpace()) {
-                return null;
-            }
-            var returnType = null;
+  function inComment(stream, state) {
+    var parenthesisCount = 1;
+    var next;
 
-            switch(state.mode){
-                case "string": // multi-line string parsing mode
-                    var next, escaped = false;
-                    while ((next = stream.next()) != null) {
-                        if (next == "\"" && !escaped) {
+    while (next = stream.next()) {
+      if (next === ")") parenthesisCount--;
+      if (next === "(") parenthesisCount++;
+      if (parenthesisCount === 0) {
+        stream.backUp(1);
+        state.tokenize = base;
+        break;
+      }
+    }
 
-                            state.mode = false;
-                            break;
-                        }
-                        escaped = !escaped && next == "\\";
-                    }
-                    returnType = STRING; // continue on in string mode
-                    break;
-                default: // default parsing mode
-                    var ch = stream.next();
+    return ["space", "comment"];
+  }
+
+  function createLookupMap(words) {
+    var obj = {};
+
+    for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
+
+    return obj;
+  }
 
-                    if (ch == "\"") {
-                        state.mode = "string";
-                        returnType = STRING;
-                    } else if (ch == "\\") {
-                        eatCharacter(stream);
-                        returnType = CHARACTER;
-                    } else if (ch == "'" && !( tests.digit_or_colon.test(stream.peek()) )) {
-                        returnType = ATOM;
-                    } else if (ch == ";") { // comment
-                        stream.skipToEnd(); // rest of the line is a comment
-                        returnType = COMMENT;
-                    } else if (isNumber(ch,stream)){
-                        returnType = NUMBER;
-                    } else if (ch == "(" || ch == "[" || ch == "{" ) {
-                        var keyWord = '', indentTemp = stream.column(), letter;
-                        /**
-                        Either
-                        (indent-word ..
-                        (non-indent-word ..
-                        (;something else, bracket, etc.
-                        */
+  function is(value, test) {
+    if (test instanceof RegExp) return test.test(value);
+    if (test instanceof Object) return test.propertyIsEnumerable(value);
+  }
 
-                        if (ch == "(") while ((letter = stream.eat(tests.keyword_char)) != null) {
-                            keyWord += letter;
-                        }
+  return {
+    startState: function () {
+      return {
+        ctx: {prev: null, start: 0, indentTo: 0},
+        lastToken: null,
+        tokenize: base
+      };
+    },
+
+    token: function (stream, state) {
+      if (stream.sol() && (typeof state.ctx.indentTo !== "number"))
+        state.ctx.indentTo = state.ctx.start + 1;
+
+      var typeStylePair = state.tokenize(stream, state);
+      var type = typeStylePair[0];
+      var style = typeStylePair[1];
+      var current = stream.current();
 
-                        if (keyWord.length > 0 && (indentKeys.propertyIsEnumerable(keyWord) ||
-                                                   tests.block_indent.test(keyWord))) { // indent-word
-                            pushStack(state, indentTemp + INDENT_WORD_SKIP, ch);
-                        } else { // non-indent word
-                            // we continue eating the spaces
-                            stream.eatSpace();
-                            if (stream.eol() || stream.peek() == ";") {
-                                // nothing significant after
-                                // we restart indentation the user defined spaces after
-                                pushStack(state, indentTemp + NORMAL_INDENT_UNIT, ch);
-                            } else {
-                                pushStack(state, indentTemp + stream.current().length, ch); // else we match
-                            }
-                        }
-                        stream.backUp(stream.current().length - 1); // undo all the eating
+      if (type !== "space") {
+        if (state.lastToken === "(" && state.ctx.indentTo === null) {
+          if (type === "symbol" && is(current, hasBodyParameter))
+            state.ctx.indentTo = state.ctx.start + options.indentUnit;
+          else state.ctx.indentTo = "next";
+        } else if (state.ctx.indentTo === "next") {
+          state.ctx.indentTo = stream.column();
+        }
+
+        state.lastToken = current;
+      }
 
-                        returnType = BRACKET;
-                    } else if (ch == ")" || ch == "]" || ch == "}") {
-                        returnType = BRACKET;
-                        if (state.indentStack != null && state.indentStack.type == (ch == ")" ? "(" : (ch == "]" ? "[" :"{"))) {
-                            popStack(state);
-                        }
-                    } else if ( ch == ":" ) {
-                        stream.eatWhile(tests.symbol);
-                        return ATOM;
-                    } else {
-                        stream.eatWhile(tests.symbol);
+      if (type === "open")
+        state.ctx = {prev: state.ctx, start: stream.column(), indentTo: null};
+      else if (type === "close") state.ctx = state.ctx.prev || state.ctx;
+
+      return style;
+    },
 
-                        if (keywords && keywords.propertyIsEnumerable(stream.current())) {
-                            returnType = KEYWORD;
-                        } else if (builtins && builtins.propertyIsEnumerable(stream.current())) {
-                            returnType = BUILTIN;
-                        } else if (atoms && atoms.propertyIsEnumerable(stream.current())) {
-                            returnType = ATOM;
-                        } else {
-                          returnType = VAR;
-                        }
-                    }
-            }
+    indent: function (state) {
+      var i = state.ctx.indentTo;
 
-            return returnType;
-        },
+      return (typeof i === "number") ?
+        i :
+        state.ctx.start + 1;
+    },
 
-        indent: function (state) {
-            if (state.indentStack == null) return state.indentation;
-            return state.indentStack.indent;
-        },
-
-        closeBrackets: {pairs: "()[]{}\"\""},
-        lineComment: ";;"
-    };
+    closeBrackets: {pairs: "()[]{}\"\""},
+    lineComment: ";;"
+  };
 });
 
 CodeMirror.defineMIME("text/x-clojure", "clojure");
 CodeMirror.defineMIME("text/x-clojurescript", "clojure");
+CodeMirror.defineMIME("application/edn", "clojure");
 
 });

rhodecode/public/js/mode/cmake/cmake.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object")

rhodecode/public/js/mode/cobol/cobol.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 /**
  * Author: Gautam Mehta

rhodecode/public/js/mode/coffeescript/coffeescript.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 /**
  * Link to the project's GitHub page:
@@ -349,6 +349,10 b' CodeMirror.defineMode("coffeescript", fu'
   return external;
 });
 
+// IANA registered media type
+// https://www.iana.org/assignments/media-types/
+CodeMirror.defineMIME("application/vnd.coffeescript", "coffeescript");
+
 CodeMirror.defineMIME("text/x-coffeescript", "coffeescript");
 CodeMirror.defineMIME("text/coffeescript", "coffeescript");
 

rhodecode/public/js/mode/commonlisp/commonlisp.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -43,11 +43,12 b' CodeMirror.defineMode("commonlisp", func'
       else { stream.skipToEnd(); return "error"; }
     } else if (ch == "#") {
       var ch = stream.next();
-      if (ch == "[") { type = "open"; return "bracket"; }
+      if (ch == "(") { type = "open"; return "bracket"; }
       else if (/[+\-=\.']/.test(ch)) return null;
       else if (/\d/.test(ch) && stream.match(/^\d*#/)) return null;
       else if (ch == "|") return (state.tokenize = inComment)(stream, state);
       else if (ch == ":") { readSym(stream); return "meta"; }
+      else if (ch == "\\") { stream.next(); readSym(stream); return "string-2" }
       else return "error";
     } else {
       var name = readSym(stream);

rhodecode/public/js/mode/crystal/crystal.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -29,26 +29,22 b''
     var types = /^[A-Z_\u009F-\uFFFF][a-zA-Z0-9_\u009F-\uFFFF]*/;
     var keywords = wordRegExp([
       "abstract", "alias", "as", "asm", "begin", "break", "case", "class", "def", "do",
-      "else", "elsif", "end", "ensure", "enum", "extend", "for", "fun", "if", "ifdef",
+      "else", "elsif", "end", "ensure", "enum", "extend", "for", "fun", "if",
       "include", "instance_sizeof", "lib", "macro", "module", "next", "of", "out", "pointerof",
-      "private", "protected", "rescue", "return", "require", "sizeof", "struct",
-      "super", "then", "type", "typeof", "union", "unless", "until", "when", "while", "with",
-      "yield", "__DIR__", "__FILE__", "__LINE__"
+      "private", "protected", "rescue", "return", "require", "select", "sizeof", "struct",
+      "super", "then", "type", "typeof", "uninitialized", "union", "unless", "until", "when", "while", "with",
+      "yield", "__DIR__", "__END_LINE__", "__FILE__", "__LINE__"
     ]);
     var atomWords = wordRegExp(["true", "false", "nil", "self"]);
     var indentKeywordsArray = [
       "def", "fun", "macro",
       "class", "module", "struct", "lib", "enum", "union",
-      "if", "unless", "case", "while", "until", "begin", "then",
-      "do",
-      "for", "ifdef"
+      "do", "for"
     ];
     var indentKeywords = wordRegExp(indentKeywordsArray);
-    var dedentKeywordsArray = [
-      "end",
-      "else", "elsif",
-      "rescue", "ensure"
-    ];
+    var indentExpressionKeywordsArray = ["if", "unless", "case", "while", "until", "begin", "then"];
+    var indentExpressionKeywords = wordRegExp(indentExpressionKeywordsArray);
+    var dedentKeywordsArray = ["end", "else", "elsif", "rescue", "ensure"];
     var dedentKeywords = wordRegExp(dedentKeywordsArray);
     var dedentPunctualsArray = ["\\)", "\\}", "\\]"];
     var dedentPunctuals = new RegExp("^(?:" + dedentPunctualsArray.join("|") + ")$");
@@ -90,12 +86,15 b''
         } else if (state.lastToken == ".") {
           return "property";
         } else if (keywords.test(matched)) {
-          if (state.lastToken != "abstract" && indentKeywords.test(matched)) {
-            if (!(matched == "fun" && state.blocks.indexOf("lib") >= 0)) {
+          if (indentKeywords.test(matched)) {
+            if (!(matched == "fun" && state.blocks.indexOf("lib") >= 0) && !(matched == "def" && state.lastToken == "abstract")) {
               state.blocks.push(matched);
               state.currentIndent += 1;
             }
-          } else if (dedentKeywords.test(matched)) {
+          } else if ((state.lastStyle == "operator" || !state.lastStyle) && indentExpressionKeywords.test(matched)) {
+            state.blocks.push(matched);
+            state.currentIndent += 1;
+          } else if (matched == "end") {
             state.blocks.pop();
             state.currentIndent -= 1;
           }
@@ -124,12 +123,6 b''
         return "variable-2";
       }
 
-      // Global variables
-      if (stream.eat("$")) {
-        stream.eat(/[0-9]+|\?/) || stream.match(idents) || stream.match(types);
-        return "variable-3";
-      }
-
       // Constants and types
       if (stream.match(types)) {
         return "tag";
@@ -165,6 +158,9 b''
         } else if (stream.match("%w")) {
           embed = false;
           delim = stream.next();
+        } else if (stream.match("%q")) {
+          embed = false;
+          delim = stream.next();
         } else {
           if(delim = stream.match(/^%([^\w\s=])/)) {
             delim = delim[1];
@@ -183,6 +179,11 b''
         return chain(tokenQuote(delim, style, embed), stream, state);
       }
 
+      // Here Docs
+      if (matched = stream.match(/^<<-('?)([A-Z]\w*)\1/)) {
+        return chain(tokenHereDoc(matched[2], !matched[1]), stream, state)
+      }
+
       // Characters
       if (stream.eat("'")) {
         stream.match(/^(?:[^']|\\(?:[befnrtv0'"]|[0-7]{3}|u(?:[0-9a-fA-F]{4}|\{[0-9a-fA-F]{1,6}\})))/);
@@ -202,14 +203,14 b''
         return "number";
       }
 
-      if (stream.eat(/\d/)) {
+      if (stream.eat(/^\d/)) {
         stream.match(/^\d*(?:\.\d+)?(?:[eE][+-]?\d+)?/);
         return "number";
       }
 
       // Operators
       if (stream.match(operators)) {
-        stream.eat("="); // Operators can follow assigin symbol.
+        stream.eat("="); // Operators can follow assign symbol.
         return "operator";
       }
 
@@ -339,7 +340,7 b''
               return style;
             }
 
-            escaped = ch == "\\";
+            escaped = embed && ch == "\\";
           } else {
             stream.next();
             escaped = false;
@@ -350,12 +351,52 b''
       };
     }
 
+    function tokenHereDoc(phrase, embed) {
+      return function (stream, state) {
+        if (stream.sol()) {
+          stream.eatSpace()
+          if (stream.match(phrase)) {
+            state.tokenize.pop();
+            return "string";
+          }
+        }
+
+        var escaped = false;
+        while (stream.peek()) {
+          if (!escaped) {
+            if (stream.match("{%", false)) {
+              state.tokenize.push(tokenMacro("%", "%"));
+              return "string";
+            }
+
+            if (stream.match("{{", false)) {
+              state.tokenize.push(tokenMacro("{", "}"));
+              return "string";
+            }
+
+            if (embed && stream.match("#{", false)) {
+              state.tokenize.push(tokenNest("#{", "}", "meta"));
+              return "string";
+            }
+
+            escaped = embed && stream.next() == "\\";
+          } else {
+            stream.next();
+            escaped = false;
+          }
+        }
+
+        return "string";
+      }
+    }
+
     return {
       startState: function () {
         return {
           tokenize: [tokenBase],
           currentIndent: 0,
           lastToken: null,
+          lastStyle: null,
           blocks: []
         };
       },
@@ -366,6 +407,7 b''
 
         if (style && style != "comment") {
           state.lastToken = token;
+          state.lastStyle = style;
         }
 
         return style;

rhodecode/public/js/mode/css/css.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -28,6 +28,7 b' CodeMirror.defineMode("css", function(co'
       colorKeywords = parserConfig.colorKeywords || {},
       valueKeywords = parserConfig.valueKeywords || {},
       allowNested = parserConfig.allowNested,
+      lineComment = parserConfig.lineComment,
       supportsAtComponent = parserConfig.supportsAtComponent === true;
 
   var type, override;
@@ -62,7 +63,7 b' CodeMirror.defineMode("css", function(co'
       if (/[\d.]/.test(stream.peek())) {
         stream.eatWhile(/[\w.%]/);
         return ret("number", "unit");
-      } else if (stream.match(/^-[\w\\\-]+/)) {
+      } else if (stream.match(/^-[\w\\\-]*/)) {
         stream.eatWhile(/[\w\\\-]/);
         if (stream.match(/^\s*:/, false))
           return ret("variable-2", "variable-definition");
@@ -76,12 +77,11 b' CodeMirror.defineMode("css", function(co'
       return ret("qualifier", "qualifier");
     } else if (/[:;{}\[\]\(\)]/.test(ch)) {
       return ret(null, ch);
-    } else if ((ch == "u" && stream.match(/rl(-prefix)?\(/)) ||
-               (ch == "d" && stream.match("omain(")) ||
-               (ch == "r" && stream.match("egexp("))) {
-      stream.backUp(1);
-      state.tokenize = tokenParenthesized;
-      return ret("property", "word");
+    } else if (stream.match(/[\w-.]+(?=\()/)) {
+      if (/^(url(-prefix)?|domain|regexp)$/.test(stream.current().toLowerCase())) {
+        state.tokenize = tokenParenthesized;
+      }
+      return ret("variable callee", "variable");
     } else if (/[\w\\\-]/.test(ch)) {
       stream.eatWhile(/[\w\\\-]/);
       return ret("property", "word");
@@ -161,16 +161,16 b' CodeMirror.defineMode("css", function(co'
       return pushContext(state, stream, "block");
     } else if (type == "}" && state.context.prev) {
       return popContext(state);
-    } else if (supportsAtComponent && /@component/.test(type)) {
+    } else if (supportsAtComponent && /@component/i.test(type)) {
       return pushContext(state, stream, "atComponentBlock");
-    } else if (/^@(-moz-)?document$/.test(type)) {
+    } else if (/^@(-moz-)?document$/i.test(type)) {
       return pushContext(state, stream, "documentTypes");
-    } else if (/^@(media|supports|(-moz-)?document|import)$/.test(type)) {
+    } else if (/^@(media|supports|(-moz-)?document|import)$/i.test(type)) {
       return pushContext(state, stream, "atBlock");
-    } else if (/^@(font-face|counter-style)/.test(type)) {
+    } else if (/^@(font-face|counter-style)/i.test(type)) {
       state.stateArg = type;
       return "restricted_atBlock_before";
-    } else if (/^@(-(moz|ms|o|webkit)-)?keyframes$/.test(type)) {
+    } else if (/^@(-(moz|ms|o|webkit)-)?keyframes$/i.test(type)) {
       return "keyframes";
     } else if (type && type.charAt(0) == "@") {
       return pushContext(state, stream, "at");
@@ -253,6 +253,8 b' CodeMirror.defineMode("css", function(co'
   };
 
   states.pseudo = function(type, stream, state) {
+    if (type == "meta") return "pseudo";
+
     if (type == "word") {
       override = "variable-3";
       return state.context.type;
@@ -380,7 +382,8 b' CodeMirror.defineMode("css", function(co'
         style = style[0];
       }
       override = style;
-      state.state = states[state.state](type, stream, state);
+      if (type != "comment")
+        state.state = states[state.state](type, stream, state);
       return override;
     },
 
@@ -398,7 +401,6 b' CodeMirror.defineMode("css", function(co'
             ch == "{" && (cx.type == "at" || cx.type == "atBlock")) {
           // Dedent relative to current context.
           indent = Math.max(0, cx.indent - indentUnit);
-          cx = cx.prev;
         }
       }
       return indent;
@@ -407,6 +409,8 b' CodeMirror.defineMode("css", function(co'
     electricChars: "}",
     blockCommentStart: "/*",
     blockCommentEnd: "*/",
+    blockCommentContinue: " * ",
+    lineComment: lineComment,
     fold: "brace"
   };
 });
@@ -414,7 +418,7 b' CodeMirror.defineMode("css", function(co'
   function keySet(array) {
     var keys = {};
     for (var i = 0; i < array.length; ++i) {
-      keys[array[i]] = true;
+      keys[array[i].toLowerCase()] = true;
     }
     return keys;
   }
@@ -468,7 +472,7 b' CodeMirror.defineMode("css", function(co'
     "border-top-left-radius", "border-top-right-radius", "border-top-style",
     "border-top-width", "border-width", "bottom", "box-decoration-break",
     "box-shadow", "box-sizing", "break-after", "break-before", "break-inside",
-    "caption-side", "clear", "clip", "color", "color-profile", "column-count",
+    "caption-side", "caret-color", "clear", "clip", "color", "color-profile", "column-count",
     "column-fill", "column-gap", "column-rule", "column-rule-color",
     "column-rule-style", "column-rule-width", "column-span", "column-width",
     "columns", "content", "counter-increment", "counter-reset", "crop", "cue",
@@ -484,19 +488,19 b' CodeMirror.defineMode("css", function(co'
     "font-variant-alternates", "font-variant-caps", "font-variant-east-asian",
     "font-variant-ligatures", "font-variant-numeric", "font-variant-position",
     "font-weight", "grid", "grid-area", "grid-auto-columns", "grid-auto-flow",
-    "grid-auto-position", "grid-auto-rows", "grid-column", "grid-column-end",
-    "grid-column-start", "grid-row", "grid-row-end", "grid-row-start",
-    "grid-template", "grid-template-areas", "grid-template-columns",
+    "grid-auto-rows", "grid-column", "grid-column-end", "grid-column-gap",
+    "grid-column-start", "grid-gap", "grid-row", "grid-row-end", "grid-row-gap",
+    "grid-row-start", "grid-template", "grid-template-areas", "grid-template-columns",
     "grid-template-rows", "hanging-punctuation", "height", "hyphens",
     "icon", "image-orientation", "image-rendering", "image-resolution",
-    "inline-box-align", "justify-content", "left", "letter-spacing",
+    "inline-box-align", "justify-content", "justify-items", "justify-self", "left", "letter-spacing",
     "line-break", "line-height", "line-stacking", "line-stacking-ruby",
     "line-stacking-shift", "line-stacking-strategy", "list-style",
     "list-style-image", "list-style-position", "list-style-type", "margin",
     "margin-bottom", "margin-left", "margin-right", "margin-top",
-    "marker-offset", "marks", "marquee-direction", "marquee-loop",
+    "marks", "marquee-direction", "marquee-loop",
     "marquee-play-count", "marquee-speed", "marquee-style", "max-height",
-    "max-width", "min-height", "min-width", "move-to", "nav-down", "nav-index",
+    "max-width", "min-height", "min-width", "mix-blend-mode", "move-to", "nav-down", "nav-index",
     "nav-left", "nav-right", "nav-up", "object-fit", "object-position",
     "opacity", "order", "orphans", "outline",
     "outline-color", "outline-offset", "outline-style", "outline-width",
@@ -504,7 +508,7 b' CodeMirror.defineMode("css", function(co'
     "padding", "padding-bottom", "padding-left", "padding-right", "padding-top",
     "page", "page-break-after", "page-break-before", "page-break-inside",
     "page-policy", "pause", "pause-after", "pause-before", "perspective",
-    "perspective-origin", "pitch", "pitch-range", "play-during", "position",
+    "perspective-origin", "pitch", "pitch-range", "place-content", "place-items", "place-self", "play-during", "position",
     "presentation-level", "punctuation-trim", "quotes", "region-break-after",
     "region-break-before", "region-break-inside", "region-fragment",
     "rendering-intent", "resize", "rest", "rest-after", "rest-before", "richness",
@@ -522,9 +526,9 b' CodeMirror.defineMode("css", function(co'
     "text-wrap", "top", "transform", "transform-origin", "transform-style",
     "transition", "transition-delay", "transition-duration",
     "transition-property", "transition-timing-function", "unicode-bidi",
-    "vertical-align", "visibility", "voice-balance", "voice-duration",
+    "user-select", "vertical-align", "visibility", "voice-balance", "voice-duration",
     "voice-family", "voice-pitch", "voice-range", "voice-rate", "voice-stress",
-    "voice-volume", "volume", "white-space", "widows", "width", "word-break",
+    "voice-volume", "volume", "white-space", "widows", "width", "will-change", "word-break",
     "word-spacing", "word-wrap", "z-index",
     // SVG-specific
     "clip-path", "clip-rule", "mask", "enable-background", "filter", "flood-color",
@@ -589,7 +593,7 b' CodeMirror.defineMode("css", function(co'
     "above", "absolute", "activeborder", "additive", "activecaption", "afar",
     "after-white-space", "ahead", "alias", "all", "all-scroll", "alphabetic", "alternate",
     "always", "amharic", "amharic-abegede", "antialiased", "appworkspace",
-    "arabic-indic", "armenian", "asterisks", "attr", "auto", "avoid", "avoid-column", "avoid-page",
+    "arabic-indic", "armenian", "asterisks", "attr", "auto", "auto-flow", "avoid", "avoid-column", "avoid-page",
     "avoid-region", "background", "backwards", "baseline", "below", "bidi-override", "binary",
     "bengali", "blink", "block", "block-axis", "bold", "bolder", "border", "border-box",
     "both", "bottom", "break", "break-all", "break-word", "bullets", "button", "button-bevel",
@@ -598,10 +602,10 b' CodeMirror.defineMode("css", function(co'
     "cell", "center", "checkbox", "circle", "cjk-decimal", "cjk-earthly-branch",
     "cjk-heavenly-stem", "cjk-ideographic", "clear", "clip", "close-quote",
     "col-resize", "collapse", "color", "color-burn", "color-dodge", "column", "column-reverse",
-    "compact", "condensed", "contain", "content",
+    "compact", "condensed", "contain", "content", "contents",
     "content-box", "context-menu", "continuous", "copy", "counter", "counters", "cover", "crop",
     "cross", "crosshair", "currentcolor", "cursive", "cyclic", "darken", "dashed", "decimal",
-    "decimal-leading-zero", "default", "default-button", "destination-atop",
+    "decimal-leading-zero", "default", "default-button", "dense", "destination-atop",
     "destination-in", "destination-out", "destination-over", "devanagari", "difference",
     "disc", "discard", "disclosure-closed", "disclosure-open", "document",
     "dot-dash", "dot-dot-dash",
@@ -615,13 +619,13 b' CodeMirror.defineMode("css", function(co'
     "ethiopic-halehame-ti-er", "ethiopic-halehame-ti-et", "ethiopic-halehame-tig",
     "ethiopic-numeric", "ew-resize", "exclusion", "expanded", "extends", "extra-condensed",
     "extra-expanded", "fantasy", "fast", "fill", "fixed", "flat", "flex", "flex-end", "flex-start", "footnotes",
-    "forwards", "from", "geometricPrecision", "georgian", "graytext", "groove",
+    "forwards", "from", "geometricPrecision", "georgian", "graytext", "grid", "groove",
     "gujarati", "gurmukhi", "hand", "hangul", "hangul-consonant", "hard-light", "hebrew",
     "help", "hidden", "hide", "higher", "highlight", "highlighttext",
     "hiragana", "hiragana-iroha", "horizontal", "hsl", "hsla", "hue", "icon", "ignore",
     "inactiveborder", "inactivecaption", "inactivecaptiontext", "infinite",
     "infobackground", "infotext", "inherit", "initial", "inline", "inline-axis",
-    "inline-block", "inline-flex", "inline-table", "inset", "inside", "intrinsic", "invert",
+    "inline-block", "inline-flex", "inline-grid", "inline-table", "inset", "inside", "intrinsic", "invert",
     "italic", "japanese-formal", "japanese-informal", "justify", "kannada",
     "katakana", "katakana-iroha", "keep-all", "khmer",
     "korean-hangul-formal", "korean-hanja-formal", "korean-hanja-informal",
@@ -641,7 +645,7 b' CodeMirror.defineMode("css", function(co'
     "mix", "mongolian", "monospace", "move", "multiple", "multiply", "myanmar", "n-resize",
     "narrower", "ne-resize", "nesw-resize", "no-close-quote", "no-drop",
     "no-open-quote", "no-repeat", "none", "normal", "not-allowed", "nowrap",
-    "ns-resize", "numbers", "numeric", "nw-resize", "nwse-resize", "oblique", "octal", "open-quote",
+    "ns-resize", "numbers", "numeric", "nw-resize", "nwse-resize", "oblique", "octal", "opacity", "open-quote",
     "optimizeLegibility", "optimizeSpeed", "oriya", "oromo", "outset",
     "outside", "outside-shape", "overlay", "overline", "padding", "padding-box",
     "painted", "page", "paused", "persian", "perspective", "plus-darker", "plus-lighter",
@@ -653,17 +657,17 b' CodeMirror.defineMode("css", function(co'
     "rgb", "rgba", "ridge", "right", "rotate", "rotate3d", "rotateX", "rotateY",
     "rotateZ", "round", "row", "row-resize", "row-reverse", "rtl", "run-in", "running",
     "s-resize", "sans-serif", "saturation", "scale", "scale3d", "scaleX", "scaleY", "scaleZ", "screen",
-    "scroll", "scrollbar", "se-resize", "searchfield",
+    "scroll", "scrollbar", "scroll-position", "se-resize", "searchfield",
     "searchfield-cancel-button", "searchfield-decoration",
-    "searchfield-results-button", "searchfield-results-decoration",
+    "searchfield-results-button", "searchfield-results-decoration", "self-start", "self-end",
     "semi-condensed", "semi-expanded", "separate", "serif", "show", "sidama",
     "simp-chinese-formal", "simp-chinese-informal", "single",
     "skew", "skewX", "skewY", "skip-white-space", "slide", "slider-horizontal",
     "slider-vertical", "sliderthumb-horizontal", "sliderthumb-vertical", "slow",
     "small", "small-caps", "small-caption", "smaller", "soft-light", "solid", "somali",
-    "source-atop", "source-in", "source-out", "source-over", "space", "space-around", "space-between", "spell-out", "square",
+    "source-atop", "source-in", "source-out", "source-over", "space", "space-around", "space-between", "space-evenly", "spell-out", "square",
     "square-button", "start", "static", "status-bar", "stretch", "stroke", "sub",
-    "subpixel-antialiased", "super", "sw-resize", "symbolic", "symbols", "table",
+    "subpixel-antialiased", "super", "sw-resize", "symbolic", "symbols", "system-ui", "table",
     "table-caption", "table-cell", "table-column", "table-column-group",
     "table-footer-group", "table-header-group", "table-row", "table-row-group",
     "tamil",
@@ -671,9 +675,9 b' CodeMirror.defineMode("css", function(co'
     "thick", "thin", "threeddarkshadow", "threedface", "threedhighlight",
     "threedlightshadow", "threedshadow", "tibetan", "tigre", "tigrinya-er",
     "tigrinya-er-abegede", "tigrinya-et", "tigrinya-et-abegede", "to", "top",
-    "trad-chinese-formal", "trad-chinese-informal",
+    "trad-chinese-formal", "trad-chinese-informal", "transform",
     "translate", "translate3d", "translateX", "translateY", "translateZ",
-    "transparent", "ultra-condensed", "ultra-expanded", "underline", "up",
+    "transparent", "ultra-condensed", "ultra-expanded", "underline", "unset", "up",
     "upper-alpha", "upper-armenian", "upper-greek", "upper-hexadecimal",
     "upper-latin", "upper-norwegian", "upper-roman", "uppercase", "urdu", "url",
     "var", "vertical", "vertical-text", "visible", "visibleFill", "visiblePainted",
@@ -730,6 +734,7 b' CodeMirror.defineMode("css", function(co'
     valueKeywords: valueKeywords,
     fontProperties: fontProperties,
     allowNested: true,
+    lineComment: "//",
     tokenHooks: {
       "/": function(stream, state) {
         if (stream.eat("/")) {
@@ -743,8 +748,8 b' CodeMirror.defineMode("css", function(co'
         }
       },
       ":": function(stream) {
-        if (stream.match(/\s*\{/))
-          return [null, "{"];
+        if (stream.match(/\s*\{/, false))
+          return [null, null]
         return false;
       },
       "$": function(stream) {
@@ -772,6 +777,7 b' CodeMirror.defineMode("css", function(co'
     valueKeywords: valueKeywords,
     fontProperties: fontProperties,
     allowNested: true,
+    lineComment: "//",
     tokenHooks: {
       "/": function(stream, state) {
         if (stream.eat("/")) {
@@ -786,7 +792,7 b' CodeMirror.defineMode("css", function(co'
       },
       "@": function(stream) {
         if (stream.eat("{")) return [null, "interpolation"];
-        if (stream.match(/^(charset|document|font-face|import|(-(moz|ms|o|webkit)-)?keyframes|media|namespace|page|supports)\b/, false)) return false;
+        if (stream.match(/^(charset|document|font-face|import|(-(moz|ms|o|webkit)-)?keyframes|media|namespace|page|supports)\b/i, false)) return false;
         stream.eatWhile(/[\w\\\-]/);
         if (stream.match(/^\s*:/, false))
           return ["variable-2", "variable-definition"];

rhodecode/public/js/mode/cypher/cypher.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 // By the Neo4j Team and contributors.
 // https://github.com/neo4j-contrib/CodeMirror
@@ -20,8 +20,12 b''
   CodeMirror.defineMode("cypher", function(config) {
     var tokenBase = function(stream/*, state*/) {
       var ch = stream.next();
-      if (ch === "\"" || ch === "'") {
-        stream.match(/.+?["']/);
+      if (ch ==='"') {
+        stream.match(/.*?"/);
+        return "string";
+      }
+      if (ch === "'") {
+        stream.match(/.*?'/);
         return "string";
       }
       if (/[{}\(\),\.;\[\]]/.test(ch)) {
@@ -62,7 +66,7 b''
     var curPunc;
     var funcs = wordRegexp(["abs", "acos", "allShortestPaths", "asin", "atan", "atan2", "avg", "ceil", "coalesce", "collect", "cos", "cot", "count", "degrees", "e", "endnode", "exp", "extract", "filter", "floor", "haversin", "head", "id", "keys", "labels", "last", "left", "length", "log", "log10", "lower", "ltrim", "max", "min", "node", "nodes", "percentileCont", "percentileDisc", "pi", "radians", "rand", "range", "reduce", "rel", "relationship", "relationships", "replace", "reverse", "right", "round", "rtrim", "shortestPath", "sign", "sin", "size", "split", "sqrt", "startnode", "stdev", "stdevp", "str", "substring", "sum", "tail", "tan", "timestamp", "toFloat", "toInt", "toString", "trim", "type", "upper"]);
     var preds = wordRegexp(["all", "and", "any", "contains", "exists", "has", "in", "none", "not", "or", "single", "xor"]);
-    var keywords = wordRegexp(["as", "asc", "ascending", "assert", "by", "case", "commit", "constraint", "create", "csv", "cypher", "delete", "desc", "descending", "detach", "distinct", "drop", "else", "end", "ends", "explain", "false", "fieldterminator", "foreach", "from", "headers", "in", "index", "is", "join", "limit", "load", "match", "merge", "null", "on", "optional", "order", "periodic", "profile", "remove", "return", "scan", "set", "skip", "start", "starts", "then", "true", "union", "unique", "unwind", "using", "when", "where", "with"]);
+    var keywords = wordRegexp(["as", "asc", "ascending", "assert", "by", "case", "commit", "constraint", "create", "csv", "cypher", "delete", "desc", "descending", "detach", "distinct", "drop", "else", "end", "ends", "explain", "false", "fieldterminator", "foreach", "from", "headers", "in", "index", "is", "join", "limit", "load", "match", "merge", "null", "on", "optional", "order", "periodic", "profile", "remove", "return", "scan", "set", "skip", "start", "starts", "then", "true", "union", "unique", "unwind", "using", "when", "where", "with", "call", "yield"]);
     var operatorChars = /[*+\-<>=&|~%^]/;
 
     return {

rhodecode/public/js/mode/d/d.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -44,7 +44,7 b' CodeMirror.defineMode("d", function(conf'
     }
     if (ch == "/") {
       if (stream.eat("+")) {
-        state.tokenize = tokenComment;
+        state.tokenize = tokenNestedComment;
         return tokenNestedComment(stream, state);
       }
       if (stream.eat("*")) {
@@ -182,7 +182,12 b' CodeMirror.defineMode("d", function(conf'
       else return ctx.indented + (closing ? 0 : indentUnit);
     },
 
-    electricChars: "{}"
+    electricChars: "{}",
+    blockCommentStart: "/*",
+    blockCommentEnd: "*/",
+    blockCommentContinue: " * ",
+    lineComment: "//",
+    fold: "brace"
   };
 });
 

rhodecode/public/js/mode/dart/dart.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -12,10 +12,10 b''
   "use strict";
 
   var keywords = ("this super static final const abstract class extends external factory " +
-    "implements get native operator set typedef with enum throw rethrow " +
-    "assert break case continue default in return new deferred async await " +
+    "implements mixin get native set typedef with enum throw rethrow " +
+    "assert break case continue default in return new deferred async await covariant " +
     "try catch finally do else for if switch while import library export " +
-    "part of show hide is as").split(" ");
+    "part of show hide is as extension on").split(" ");
   var blockKeywords = "try catch finally do else for if switch while".split(" ");
   var atoms = "true false null".split(" ");
   var builtins = "void bool num int double dynamic var String".split(" ");
@@ -72,6 +72,21 b''
           return null;
         }
         return false;
+      },
+
+      "/": function(stream, state) {
+        if (!stream.eat("*")) return false
+        state.tokenize = tokenNestedComment(1)
+        return state.tokenize(stream, state)
+      },
+      token: function(stream, _, style) {
+        if (style == "variable") {
+          // Assume uppercase symbols are classes using variable-2
+          var isUpper = RegExp('^[_$]*[A-Z][a-zA-Z0-9_$]*$','g');
+          if (isUpper.test(stream.current())) {
+            return 'variable-2';
+          }
+        }
       }
     }
   });
@@ -121,6 +136,27 b''
     return "variable";
   }
 
+  function tokenNestedComment(depth) {
+    return function (stream, state) {
+      var ch
+      while (ch = stream.next()) {
+        if (ch == "*" && stream.eat("/")) {
+          if (depth == 1) {
+            state.tokenize = null
+            break
+          } else {
+            state.tokenize = tokenNestedComment(depth - 1)
+            return state.tokenize(stream, state)
+          }
+        } else if (ch == "/" && stream.eat("*")) {
+          state.tokenize = tokenNestedComment(depth + 1)
+          return state.tokenize(stream, state)
+        }
+      }
+      return "comment"
+    }
+  }
+
   CodeMirror.registerHelper("hintWords", "application/dart", keywords.concat(atoms).concat(builtins));
 
   // This is needed to make loading through meta.js work.

rhodecode/public/js/mode/diff/diff.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/django/django.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -66,11 +66,11 b''
     }
 
     // A string can be included in either single or double quotes (this is
-    // the delimeter). Mark everything as a string until the start delimeter
+    // the delimiter). Mark everything as a string until the start delimiter
     // occurs again.
-    function inString (delimeter, previousTokenizer) {
+    function inString (delimiter, previousTokenizer) {
       return function (stream, state) {
-        if (!state.escapeNext && stream.eat(delimeter)) {
+        if (!state.escapeNext && stream.eat(delimiter)) {
           state.tokenize = previousTokenizer;
         } else {
           if (state.escapeNext) {
@@ -80,7 +80,7 b''
           var ch = stream.next();
 
           // Take into account the backslash for escaping characters, such as
-          // the string delimeter.
+          // the string delimiter.
           if (ch == "\\") {
             state.escapeNext = true;
           }
@@ -100,7 +100,7 b''
           return "null";
         }
 
-        // Dot folowed by a non-word character should be considered an error.
+        // Dot followed by a non-word character should be considered an error.
         if (stream.match(/\.\W+/)) {
           return "error";
         } else if (stream.eat(".")) {
@@ -119,7 +119,7 b''
           return "null";
         }
 
-        // Pipe folowed by a non-word character should be considered an error.
+        // Pipe followed by a non-word character should be considered an error.
         if (stream.match(/\.\W+/)) {
           return "error";
         } else if (stream.eat("|")) {
@@ -199,7 +199,7 b''
           return "null";
         }
 
-        // Dot folowed by a non-word character should be considered an error.
+        // Dot followed by a non-word character should be considered an error.
         if (stream.match(/\.\W+/)) {
           return "error";
         } else if (stream.eat(".")) {
@@ -218,7 +218,7 b''
           return "null";
         }
 
-        // Pipe folowed by a non-word character should be considered an error.
+        // Pipe followed by a non-word character should be considered an error.
         if (stream.match(/\.\W+/)) {
           return "error";
         } else if (stream.eat("|")) {

rhodecode/public/js/mode/dockerfile/dockerfile.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -11,30 +11,64 b''
 })(function(CodeMirror) {
   "use strict";
 
+  var from = "from";
+  var fromRegex = new RegExp("^(\\s*)\\b(" + from + ")\\b", "i");
+
+  var shells = ["run", "cmd", "entrypoint", "shell"];
+  var shellsAsArrayRegex = new RegExp("^(\\s*)(" + shells.join('|') + ")(\\s+\\[)", "i");
+
+  var expose = "expose";
+  var exposeRegex = new RegExp("^(\\s*)(" + expose + ")(\\s+)", "i");
+
+  var others = [
+    "arg", "from", "maintainer", "label", "env",
+    "add", "copy", "volume", "user",
+    "workdir", "onbuild", "stopsignal", "healthcheck", "shell"
+  ];
+
   // Collect all Dockerfile directives
-  var instructions = ["from", "maintainer", "run", "cmd", "expose", "env",
-                      "add", "copy", "entrypoint", "volume", "user",
-                      "workdir", "onbuild"],
+  var instructions = [from, expose].concat(shells).concat(others),
       instructionRegex = "(" + instructions.join('|') + ")",
-      instructionOnlyLine = new RegExp(instructionRegex + "\\s*$", "i"),
-      instructionWithArguments = new RegExp(instructionRegex + "(\\s+)", "i");
+      instructionOnlyLine = new RegExp("^(\\s*)" + instructionRegex + "(\\s*)(#.*)?$", "i"),
+      instructionWithArguments = new RegExp("^(\\s*)" + instructionRegex + "(\\s+)", "i");
 
   CodeMirror.defineSimpleMode("dockerfile", {
     start: [
       // Block comment: This is a line starting with a comment
       {
-        regex: /#.*$/,
+        regex: /^\s*#.*$/,
+        sol: true,
         token: "comment"
       },
+      {
+        regex: fromRegex,
+        token: [null, "keyword"],
+        sol: true,
+        next: "from"
+      },
       // Highlight an instruction without any arguments (for convenience)
       {
         regex: instructionOnlyLine,
-        token: "variable-2"
+        token: [null, "keyword", null, "error"],
+        sol: true
+      },
+      {
+        regex: shellsAsArrayRegex,
+        token: [null, "keyword", null],
+        sol: true,
+        next: "array"
+      },
+      {
+        regex: exposeRegex,
+        token: [null, "keyword", null],
+        sol: true,
+        next: "expose"
       },
       // Highlight an instruction followed by arguments
       {
         regex: instructionWithArguments,
-        token: ["variable-2", null],
+        token: [null, "keyword", null],
+        sol: true,
         next: "arguments"
       },
       {
@@ -42,26 +76,21 b''
         token: null
       }
     ],
-    arguments: [
+    from: [
       {
-        // Line comment without instruction arguments is an error
-        regex: /#.*$/,
-        token: "error",
-        next: "start"
-      },
-      {
-        regex: /[^#]+\\$/,
-        token: null
-      },
-      {
-        // Match everything except for the inline comment
-        regex: /[^#]+/,
+        regex: /\s*$/,
         token: null,
         next: "start"
       },
       {
-        regex: /$/,
-        token: null,
+        // Line comment without instruction arguments is an error
+        regex: /(\s*)(#.*)$/,
+        token: [null, "error"],
+        next: "start"
+      },
+      {
+        regex: /(\s*\S+\s+)(as)/i,
+        token: [null, "keyword"],
         next: "start"
       },
       // Fail safe return to start
@@ -70,9 +99,112 b''
         next: "start"
       }
     ],
-      meta: {
-          lineComment: "#"
+    single: [
+      {
+        regex: /(?:[^\\']|\\.)/,
+        token: "string"
+      },
+      {
+        regex: /'/,
+        token: "string",
+        pop: true
+      }
+    ],
+    double: [
+      {
+        regex: /(?:[^\\"]|\\.)/,
+        token: "string"
+      },
+      {
+        regex: /"/,
+        token: "string",
+        pop: true
+      }
+    ],
+    array: [
+      {
+        regex: /\]/,
+        token: null,
+        next: "start"
+      },
+      {
+        regex: /"(?:[^\\"]|\\.)*"?/,
+        token: "string"
       }
+    ],
+    expose: [
+      {
+        regex: /\d+$/,
+        token: "number",
+        next: "start"
+      },
+      {
+        regex: /[^\d]+$/,
+        token: null,
+        next: "start"
+      },
+      {
+        regex: /\d+/,
+        token: "number"
+      },
+      {
+        regex: /[^\d]+/,
+        token: null
+      },
+      // Fail safe return to start
+      {
+        token: null,
+        next: "start"
+      }
+    ],
+    arguments: [
+      {
+        regex: /^\s*#.*$/,
+        sol: true,
+        token: "comment"
+      },
+      {
+        regex: /"(?:[^\\"]|\\.)*"?$/,
+        token: "string",
+        next: "start"
+      },
+      {
+        regex: /"/,
+        token: "string",
+        push: "double"
+      },
+      {
+        regex: /'(?:[^\\']|\\.)*'?$/,
+        token: "string",
+        next: "start"
+      },
+      {
+        regex: /'/,
+        token: "string",
+        push: "single"
+      },
+      {
+        regex: /[^#"']+[\\`]$/,
+        token: null
+      },
+      {
+        regex: /[^#"']+$/,
+        token: null,
+        next: "start"
+      },
+      {
+        regex: /[^#"']+/,
+        token: null
+      },
+      // Fail safe return to start
+      {
+        token: null,
+        next: "start"
+      }
+    ],
+    meta: {
+      lineComment: "#"
+    }
   });
 
   CodeMirror.defineMIME("text/x-dockerfile", "dockerfile");

rhodecode/public/js/mode/dtd/dtd.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 /*
   DTD mode
@@ -114,17 +114,17 b' CodeMirror.defineMode("dtd", function(co'
 
       if( textAfter.match(/\]\s+|\]/) )n=n-1;
       else if(textAfter.substr(textAfter.length-1, textAfter.length) === ">"){
-        if(textAfter.substr(0,1) === "<")n;
-        else if( type == "doindent" && textAfter.length > 1 )n;
+        if(textAfter.substr(0,1) === "<") {}
+        else if( type == "doindent" && textAfter.length > 1 ) {}
         else if( type == "doindent")n--;
-        else if( type == ">" && textAfter.length > 1)n;
-        else if( type == "tag" && textAfter !== ">")n;
+        else if( type == ">" && textAfter.length > 1) {}
+        else if( type == "tag" && textAfter !== ">") {}
         else if( type == "tag" && state.stack[state.stack.length-1] == "rule")n--;
         else if( type == "tag")n++;
         else if( textAfter === ">" && state.stack[state.stack.length-1] == "rule" && type === ">")n--;
-        else if( textAfter === ">" && state.stack[state.stack.length-1] == "rule")n;
+        else if( textAfter === ">" && state.stack[state.stack.length-1] == "rule") {}
         else if( textAfter.substr(0,1) !== "<" && textAfter.substr(0,1) === ">" )n=n-1;
-        else if( textAfter === ">")n;
+        else if( textAfter === ">") {}
         else n=n-1;
         //over rule them all
         if(type == null || type == "]")n--;

rhodecode/public/js/mode/dylan/dylan.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -11,6 +11,14 b''
 })(function(CodeMirror) {
 "use strict";
 
+function forEach(arr, f) {
+  for (var i = 0; i < arr.length; i++) f(arr[i], i)
+}
+function some(arr, f) {
+  for (var i = 0; i < arr.length; i++) if (f(arr[i], i)) return true
+  return false
+}
+
 CodeMirror.defineMode("dylan", function(_config) {
   // Words
   var words = {
@@ -136,13 +144,13 b' CodeMirror.defineMode("dylan", function('
   var wordLookup = {};
   var styleLookup = {};
 
-  [
+  forEach([
     "keyword",
     "definition",
     "simpleDefinition",
     "signalingCalls"
-  ].forEach(function(type) {
-    words[type].forEach(function(word) {
+  ], function(type) {
+    forEach(words[type], function(word) {
       wordLookup[word] = type;
       styleLookup[word] = styles[type];
     });
@@ -169,15 +177,16 b' CodeMirror.defineMode("dylan", function('
       } else if (stream.eat("/")) {
         stream.skipToEnd();
         return "comment";
-      } else {
-        stream.skipTo(" ");
-        return "operator";
       }
+      stream.backUp(1);
     }
     // Decimal
-    else if (/\d/.test(ch)) {
-      stream.match(/^\d*(?:\.\d*)?(?:e[+\-]?\d+)?/);
-      return "number";
+    else if (/[+\-\d\.]/.test(ch)) {
+      if (stream.match(/^[+-]?[0-9]*\.[0-9]*([esdx][+-]?[0-9]+)?/i) ||
+          stream.match(/^[+-]?[0-9]+([esdx][+-]?[0-9]+)/i) ||
+          stream.match(/^[+-]?\d+/)) {
+        return "number";
+      }
     }
     // Hash
     else if (ch == "#") {
@@ -186,7 +195,7 b' CodeMirror.defineMode("dylan", function('
       ch = stream.peek();
       if (ch == '"') {
         stream.next();
-        return chain(stream, state, tokenString('"', "string-2"));
+        return chain(stream, state, tokenString('"', "string"));
       }
       // Binary number
       else if (ch == "b") {
@@ -206,29 +215,73 b' CodeMirror.defineMode("dylan", function('
         stream.eatWhile(/[0-7]/);
         return "number";
       }
+      // Token concatenation in macros
+      else if (ch == '#') {
+        stream.next();
+        return "punctuation";
+      }
+      // Sequence literals
+      else if ((ch == '[') || (ch == '(')) {
+        stream.next();
+        return "bracket";
       // Hash symbol
-      else {
+      } else if (stream.match(/f|t|all-keys|include|key|next|rest/i)) {
+        return "atom";
+      } else {
         stream.eatWhile(/[-a-zA-Z]/);
-        return "keyword";
+        return "error";
+      }
+    } else if (ch == "~") {
+      stream.next();
+      ch = stream.peek();
+      if (ch == "=") {
+        stream.next();
+        ch = stream.peek();
+        if (ch == "=") {
+          stream.next();
+          return "operator";
+        }
+        return "operator";
       }
+      return "operator";
+    } else if (ch == ":") {
+      stream.next();
+      ch = stream.peek();
+      if (ch == "=") {
+        stream.next();
+        return "operator";
+      } else if (ch == ":") {
+        stream.next();
+        return "punctuation";
+      }
+    } else if ("[](){}".indexOf(ch) != -1) {
+      stream.next();
+      return "bracket";
+    } else if (".,".indexOf(ch) != -1) {
+      stream.next();
+      return "punctuation";
     } else if (stream.match("end")) {
       return "keyword";
     }
     for (var name in patterns) {
       if (patterns.hasOwnProperty(name)) {
         var pattern = patterns[name];
-        if ((pattern instanceof Array && pattern.some(function(p) {
+        if ((pattern instanceof Array && some(pattern, function(p) {
           return stream.match(p);
         })) || stream.match(pattern))
           return patternStyles[name];
       }
     }
+    if (/[+\-*\/^=<>&|]/.test(ch)) {
+      stream.next();
+      return "operator";
+    }
     if (stream.match("define")) {
       return "def";
     } else {
       stream.eatWhile(/[\w\-]/);
       // Keyword
-      if (wordLookup[stream.current()]) {
+      if (wordLookup.hasOwnProperty(stream.current())) {
         return styleLookup[stream.current()];
       } else if (stream.current().match(symbol)) {
         return "variable";
@@ -240,29 +293,37 b' CodeMirror.defineMode("dylan", function('
   }
 
   function tokenComment(stream, state) {
-    var maybeEnd = false,
-    ch;
+    var maybeEnd = false, maybeNested = false, nestedCount = 0, ch;
     while ((ch = stream.next())) {
       if (ch == "/" && maybeEnd) {
-        state.tokenize = tokenBase;
-        break;
+        if (nestedCount > 0) {
+          nestedCount--;
+        } else {
+          state.tokenize = tokenBase;
+          break;
+        }
+      } else if (ch == "*" && maybeNested) {
+        nestedCount++;
       }
       maybeEnd = (ch == "*");
+      maybeNested = (ch == "/");
     }
     return "comment";
   }
 
   function tokenString(quote, style) {
     return function(stream, state) {
-      var next, end = false;
+      var escaped = false, next, end = false;
       while ((next = stream.next()) != null) {
-        if (next == quote) {
+        if (next == quote && !escaped) {
           end = true;
           break;
         }
+        escaped = !escaped && next == "\\";
       }
-      if (end)
+      if (end || !escaped) {
         state.tokenize = tokenBase;
+      }
       return style;
     };
   }

rhodecode/public/js/mode/ebnf/ebnf.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -94,7 +94,7 b''
 
         if (bracesMode !== null && (state.braced || peek === "{")) {
           if (state.localState === null)
-            state.localState = bracesMode.startState();
+            state.localState = CodeMirror.startState(bracesMode);
 
           var token = bracesMode.token(stream, state.localState),
           text = stream.current();

rhodecode/public/js/mode/ecl/ecl.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/eiffel/eiffel.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/elm/elm.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -70,7 +70,7 b''
         if (smallRE.test(ch)) {
           var isDef = source.pos === 1;
           source.eatWhile(idRE);
-          return isDef ? "variable-3" : "variable";
+          return isDef ? "type" : "variable";
         }
 
         if (digitRE.test(ch)) {

rhodecode/public/js/mode/erlang/erlang.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 /*jshint unused:true, eqnull:true, curly:true, bitwise:true */
 /*jshint undef:true, latedef:true, trailing:true */
@@ -433,15 +433,16 b' CodeMirror.defineMode("erlang", function'
   }
 
   function maybe_drop_post(s) {
+    if (!s.length) return s
     var last = s.length-1;
 
     if (s[last].type === "dot") {
       return [];
     }
-    if (s[last].type === "fun" && s[last-1].token === "fun") {
+    if (last > 1 && s[last].type === "fun" && s[last-1].token === "fun") {
       return s.slice(0,last-1);
     }
-    switch (s[s.length-1].token) {
+    switch (s[last].token) {
       case "}":    return d(s,{g:["{"]});
       case "]":    return d(s,{i:["["]});
       case ")":    return d(s,{i:["("]});

rhodecode/public/js/mode/factor/factor.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 // Factor syntax highlight - simple mode
 //
@@ -22,52 +22,54 b''
       {regex: /#?!.*/, token: "comment"},
       // strings """, multiline --> state
       {regex: /"""/, token: "string", next: "string3"},
-      {regex: /"/, token: "string", next: "string"},
+      {regex: /(STRING:)(\s)/, token: ["keyword", null], next: "string2"},
+      {regex: /\S*?"/, token: "string", next: "string"},
       // numbers: dec, hex, unicode, bin, fractional, complex
-      {regex: /(?:[+-]?)(?:0x[\d,a-f]+)|(?:0o[0-7]+)|(?:0b[0,1]+)|(?:\d+.?\d*)/, token: "number"},
+      {regex: /(?:0x[\d,a-f]+)|(?:0o[0-7]+)|(?:0b[0,1]+)|(?:\-?\d+.?\d*)(?=\s)/, token: "number"},
       //{regex: /[+-]?/} //fractional
       // definition: defining word, defined word, etc
-      {regex: /(\:)(\s+)(\S+)(\s+)(\()/, token: ["keyword", null, "def", null, "keyword"], next: "stack"},
+      {regex: /((?:GENERIC)|\:?\:)(\s+)(\S+)(\s+)(\()/, token: ["keyword", null, "def", null, "bracket"], next: "stack"},
+      // method definition: defining word, type, defined word, etc
+      {regex: /(M\:)(\s+)(\S+)(\s+)(\S+)/, token: ["keyword", null, "def", null, "tag"]},
       // vocabulary using --> state
       {regex: /USING\:/, token: "keyword", next: "vocabulary"},
       // vocabulary definition/use
-      {regex: /(USE\:|IN\:)(\s+)(\S+)/, token: ["keyword", null, "variable-2"]},
-      // <constructors>
-      {regex: /<\S+>/, token: "builtin"},
+      {regex: /(USE\:|IN\:)(\s+)(\S+)(?=\s|$)/, token: ["keyword", null, "tag"]},
+      // definition: a defining word, defined word
+      {regex: /(\S+\:)(\s+)(\S+)(?=\s|$)/, token: ["keyword", null, "def"]},
       // "keywords", incl. ; t f . [ ] { } defining words
-      {regex: /;|t|f|if|\.|\[|\]|\{|\}|MAIN:/, token: "keyword"},
+      {regex: /(?:;|\\|t|f|if|loop|while|until|do|PRIVATE>|<PRIVATE|\.|\S*\[|\]|\S*\{|\})(?=\s|$)/, token: "keyword"},
+      // <constructors> and the like
+      {regex: /\S+[\)>\.\*\?]+(?=\s|$)/, token: "builtin"},
+      {regex: /[\)><]+\S+(?=\s|$)/, token: "builtin"},
+      // operators
+      {regex: /(?:[\+\-\=\/\*<>])(?=\s|$)/, token: "keyword"},
       // any id (?)
       {regex: /\S+/, token: "variable"},
-
-      {
-        regex: /./,
-        token: null
-      }
+      {regex: /\s+|./, token: null}
     ],
     vocabulary: [
       {regex: /;/, token: "keyword", next: "start"},
-      {regex: /\S+/, token: "variable-2"},
-      {
-        regex: /./,
-        token: null
-      }
+      {regex: /\S+/, token: "tag"},
+      {regex: /\s+|./, token: null}
     ],
     string: [
       {regex: /(?:[^\\]|\\.)*?"/, token: "string", next: "start"},
       {regex: /.*/, token: "string"}
     ],
+    string2: [
+      {regex: /^;/, token: "keyword", next: "start"},
+      {regex: /.*/, token: "string"}
+    ],
     string3: [
       {regex: /(?:[^\\]|\\.)*?"""/, token: "string", next: "start"},
       {regex: /.*/, token: "string"}
     ],
     stack: [
-      {regex: /\)/, token: "meta", next: "start"},
-      {regex: /--/, token: "meta"},
-      {regex: /\S+/, token: "variable-3"},
-      {
-        regex: /./,
-        token: null
-      }
+      {regex: /\)/, token: "bracket", next: "start"},
+      {regex: /--/, token: "bracket"},
+      {regex: /\S+/, token: "meta"},
+      {regex: /\s+|./, token: null}
     ],
     // The meta property contains global information about the mode. It
     // can contain properties like lineComment, which are supported by

rhodecode/public/js/mode/forth/forth.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 // Author: Aliaksei Chapyzhenka
 

rhodecode/public/js/mode/fortran/fortran.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/gas/gas.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/gfm/gfm.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -81,7 +81,7 b' CodeMirror.defineMode("gfm", function(co'
       if (stream.sol() || state.ateSpace) {
         state.ateSpace = false;
         if (modeConfig.gitHubSpice !== false) {
-          if(stream.match(/^(?:[a-zA-Z0-9\-_]+\/)?(?:[a-zA-Z0-9\-_]+@)?(?:[a-f0-9]{7,40}\b)/)) {
+          if(stream.match(/^(?:[a-zA-Z0-9\-_]+\/)?(?:[a-zA-Z0-9\-_]+@)?(?=.{0,6}\d)(?:[a-f0-9]{7,40}\b)/)) {
             // User/Project@SHA
             // User@SHA
             // SHA
@@ -113,10 +113,9 b' CodeMirror.defineMode("gfm", function(co'
   };
 
   var markdownConfig = {
-    underscoresBreakWords: false,
     taskLists: true,
-    fencedCodeBlocks: '```',
-    strikethrough: true
+    strikethrough: true,
+    emoji: true
   };
   for (var attr in modeConfig) {
     markdownConfig[attr] = modeConfig[attr];

rhodecode/public/js/mode/gherkin/gherkin.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 /*
 Gherkin mode - http://www.cukes.info/

rhodecode/public/js/mode/go/go.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -23,12 +23,13 b' CodeMirror.defineMode("go", function(con'
     "bool":true, "byte":true, "complex64":true, "complex128":true,
     "float32":true, "float64":true, "int8":true, "int16":true, "int32":true,
     "int64":true, "string":true, "uint8":true, "uint16":true, "uint32":true,
-    "uint64":true, "int":true, "uint":true, "uintptr":true
+    "uint64":true, "int":true, "uint":true, "uintptr":true, "error": true,
+    "rune":true
   };
 
   var atoms = {
     "true":true, "false":true, "iota":true, "nil":true, "append":true,
-    "cap":true, "close":true, "complex":true, "copy":true, "imag":true,
+    "cap":true, "close":true, "complex":true, "copy":true, "delete":true, "imag":true,
     "len":true, "make":true, "new":true, "panic":true, "print":true,
     "println":true, "real":true, "recover":true
   };
@@ -154,14 +155,14 b' CodeMirror.defineMode("go", function(con'
       else if (curPunc == "[") pushContext(state, stream.column(), "]");
       else if (curPunc == "(") pushContext(state, stream.column(), ")");
       else if (curPunc == "case") ctx.type = "case";
-      else if (curPunc == "}" && ctx.type == "}") ctx = popContext(state);
+      else if (curPunc == "}" && ctx.type == "}") popContext(state);
       else if (curPunc == ctx.type) popContext(state);
       state.startOfLine = false;
       return style;
     },
 
     indent: function(state, textAfter) {
-      if (state.tokenize != tokenBase && state.tokenize != null) return 0;
+      if (state.tokenize != tokenBase && state.tokenize != null) return CodeMirror.Pass;
       var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
       if (ctx.type == "case" && /^(?:case|default)\b/.test(textAfter)) {
         state.context.type = "}";
@@ -173,6 +174,7 b' CodeMirror.defineMode("go", function(con'
     },
 
     electricChars: "{}):",
+    closeBrackets: "()[]{}''\"\"``",
     fold: "brace",
     blockCommentStart: "/*",
     blockCommentEnd: "*/",

rhodecode/public/js/mode/groovy/groovy.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -21,9 +21,9 b' CodeMirror.defineMode("groovy", function'
     "abstract as assert boolean break byte case catch char class const continue def default " +
     "do double else enum extends final finally float for goto if implements import in " +
     "instanceof int interface long native new package private protected public return " +
-    "short static strictfp super switch synchronized threadsafe throw throws transient " +
+    "short static strictfp super switch synchronized threadsafe throw throws trait transient " +
     "try void volatile while");
-  var blockKeywords = words("catch class do else finally for if switch try while enum interface def");
+  var blockKeywords = words("catch class def do else enum finally for if interface switch trait try while");
   var standaloneKeywords = words("return break continue");
   var atoms = words("null true false this");
 
@@ -210,7 +210,7 b' CodeMirror.defineMode("groovy", function'
     },
 
     indent: function(state, textAfter) {
-      if (!state.tokenize[state.tokenize.length-1].isBase) return 0;
+      if (!state.tokenize[state.tokenize.length-1].isBase) return CodeMirror.Pass;
       var firstChar = textAfter && textAfter.charAt(0), ctx = state.context;
       if (ctx.type == "statement" && !expectExpression(state.lastToken, true)) ctx = ctx.prev;
       var closing = firstChar == ctx.type;
@@ -221,7 +221,10 b' CodeMirror.defineMode("groovy", function'
 
     electricChars: "{}",
     closeBrackets: {triples: "'\""},
-    fold: "brace"
+    fold: "brace",
+    blockCommentStart: "/*",
+    blockCommentEnd: "*/",
+    lineComment: "//"
   };
 });
 

rhodecode/public/js/mode/haml/haml.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -11,7 +11,7 b''
 })(function(CodeMirror) {
 "use strict";
 
-  // full haml mode. This handled embeded ruby and html fragments too
+  // full haml mode. This handled embedded ruby and html fragments too
   CodeMirror.defineMode("haml", function(config) {
     var htmlMode = CodeMirror.getMode(config, {name: "htmlmixed"});
     var rubyMode = CodeMirror.getMode(config, "ruby");
@@ -98,8 +98,8 b''
     return {
       // default to html mode
       startState: function() {
-        var htmlState = htmlMode.startState();
-        var rubyState = rubyMode.startState();
+        var htmlState = CodeMirror.startState(htmlMode);
+        var rubyState = CodeMirror.startState(rubyMode);
         return {
           htmlState: htmlState,
           rubyState: rubyState,

rhodecode/public/js/mode/handlebars/handlebars.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -13,10 +13,14 b''
 
   CodeMirror.defineSimpleMode("handlebars-tags", {
     start: [
+      { regex: /\{\{\{/, push: "handlebars_raw", token: "tag" },
       { regex: /\{\{!--/, push: "dash_comment", token: "comment" },
       { regex: /\{\{!/,   push: "comment", token: "comment" },
       { regex: /\{\{/,    push: "handlebars", token: "tag" }
     ],
+    handlebars_raw: [
+      { regex: /\}\}\}/, pop: true, token: "tag" },
+    ],
     handlebars: [
       { regex: /\}\}/, pop: true, token: "tag" },
 
@@ -46,7 +50,11 b''
     comment: [
       { regex: /\}\}/, pop: true, token: "comment" },
       { regex: /./, token: "comment" }
-    ]
+    ],
+    meta: {
+      blockCommentStart: "{{--",
+      blockCommentEnd: "--}}"
+    }
   });
 
   CodeMirror.defineMode("handlebars", function(config, parserConfig) {

rhodecode/public/js/mode/haskell-literate/haskell-literate.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function (mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -40,4 +40,4 b''
   }, "haskell")
 
   CodeMirror.defineMIME("text/x-literate-haskell", "haskell-literate")
-})
+});

rhodecode/public/js/mode/haskell/haskell.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -56,7 +56,7 b' CodeMirror.defineMode("haskell", functio'
       if (source.eat('\'')) {
         return "string";
       }
-      return "error";
+      return "string error";
     }
 
     if (ch == '"') {
@@ -166,7 +166,7 b' CodeMirror.defineMode("haskell", functio'
       }
     }
     setState(normal);
-    return "error";
+    return "string error";
   }
 
   function stringGap(source, setState) {
@@ -194,16 +194,17 b' CodeMirror.defineMode("haskell", functio'
       "module", "newtype", "of", "then", "type", "where", "_");
 
     setType("keyword")(
-      "\.\.", ":", "::", "=", "\\", "\"", "<-", "->", "@", "~", "=>");
+      "\.\.", ":", "::", "=", "\\", "<-", "->", "@", "~", "=>");
 
     setType("builtin")(
-      "!!", "$!", "$", "&&", "+", "++", "-", ".", "/", "/=", "<", "<=", "=<<",
-      "==", ">", ">=", ">>", ">>=", "^", "^^", "||", "*", "**");
+      "!!", "$!", "$", "&&", "+", "++", "-", ".", "/", "/=", "<", "<*", "<=",
+      "<$>", "<*>", "=<<", "==", ">", ">=", ">>", ">>=", "^", "^^", "||", "*",
+      "*>", "**");
 
     setType("builtin")(
-      "Bool", "Bounded", "Char", "Double", "EQ", "Either", "Enum", "Eq",
-      "False", "FilePath", "Float", "Floating", "Fractional", "Functor", "GT",
-      "IO", "IOError", "Int", "Integer", "Integral", "Just", "LT", "Left",
+      "Applicative", "Bool", "Bounded", "Char", "Double", "EQ", "Either", "Enum",
+      "Eq", "False", "FilePath", "Float", "Floating", "Fractional", "Functor",
+      "GT", "IO", "IOError", "Int", "Integer", "Integral", "Just", "LT", "Left",
       "Maybe", "Monad", "Nothing", "Num", "Ord", "Ordering", "Rational", "Read",
       "ReadS", "Real", "RealFloat", "RealFrac", "Right", "Show", "ShowS",
       "String", "True");
@@ -223,7 +224,7 b' CodeMirror.defineMode("haskell", functio'
       "lcm", "length", "lex", "lines", "log", "logBase", "lookup", "map",
       "mapM", "mapM_", "max", "maxBound", "maximum", "maybe", "min", "minBound",
       "minimum", "mod", "negate", "not", "notElem", "null", "odd", "or",
-      "otherwise", "pi", "pred", "print", "product", "properFraction",
+      "otherwise", "pi", "pred", "print", "product", "properFraction", "pure",
       "putChar", "putStr", "putStrLn", "quot", "quotRem", "read", "readFile",
       "readIO", "readList", "readLn", "readParen", "reads", "readsPrec",
       "realToFrac", "recip", "rem", "repeat", "replicate", "return", "reverse",

rhodecode/public/js/mode/haxe/haxe.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -485,7 +485,7 b' CodeMirror.defineMode("hxml", function ('
 
       if (state.inString == false && ch == "'") {
         state.inString = true;
-        ch = stream.next();
+        stream.next();
       }
 
       if (state.inString == true) {

rhodecode/public/js/mode/htmlembedded/htmlembedded.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -14,7 +14,16 b''
   "use strict";
 
   CodeMirror.defineMode("htmlembedded", function(config, parserConfig) {
+    var closeComment = parserConfig.closeComment || "--%>"
     return CodeMirror.multiplexingMode(CodeMirror.getMode(config, "htmlmixed"), {
+      open: parserConfig.openComment || "<%--",
+      close: closeComment,
+      delimStyle: "comment",
+      mode: {token: function(stream) {
+        stream.skipTo(closeComment) || stream.skipToEnd()
+        return "comment"
+      }}
+    }, {
       open: parserConfig.open || parserConfig.scriptStartRegex || "<%",
       close: parserConfig.close || parserConfig.scriptEndRegex || "%>",
       mode: CodeMirror.getMode(config, parserConfig.scriptingModeSpec)

rhodecode/public/js/mode/htmlmixed/htmlmixed.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -14,7 +14,7 b''
   var defaultTags = {
     script: [
       ["lang", /(javascript|babel)/i, "javascript"],
-      ["type", /^(?:text|application)\/(?:x-)?(?:java|ecma)script$|^$/i, "javascript"],
+      ["type", /^(?:text|application)\/(?:x-)?(?:java|ecma)script$|^module$|^$/i, "javascript"],
       ["type", /./, "text/plain"],
       [null, null, "javascript"]
     ],
@@ -44,13 +44,9 b''
     return attrRegexpCache[attr] = new RegExp("\\s+" + attr + "\\s*=\\s*('|\")?([^'\"]+)('|\")?\\s*");
   }
 
-  function getAttrValue(stream, attr) {
-    var pos = stream.pos, match;
-    while (pos >= 0 && stream.string.charAt(pos) !== "<") pos--;
-    if (pos < 0) return pos;
-    if (match = stream.string.slice(pos, stream.pos).match(getAttrRegexp(attr)))
-      return match[2];
-    return "";
+  function getAttrValue(text, attr) {
+    var match = text.match(getAttrRegexp(attr))
+    return match ? /^\s*(.*?)\s*$/.exec(match[2])[1] : ""
   }
 
   function getTagRegexp(tagName, anchored) {
@@ -66,10 +62,10 b''
     }
   }
 
-  function findMatchingMode(tagInfo, stream) {
+  function findMatchingMode(tagInfo, tagText) {
     for (var i = 0; i < tagInfo.length; i++) {
       var spec = tagInfo[i];
-      if (!spec[0] || spec[1].test(getAttrValue(stream, spec[0]))) return spec[2];
+      if (!spec[0] || spec[1].test(getAttrValue(tagText, spec[0]))) return spec[2];
     }
   }
 
@@ -89,15 +85,17 b''
       tags.script.unshift(["type", configScript[i].matches, configScript[i].mode])
 
     function html(stream, state) {
-      var tagName = state.htmlState.tagName && state.htmlState.tagName.toLowerCase();
-      var tagInfo = tagName && tags.hasOwnProperty(tagName) && tags[tagName];
-
-      var style = htmlMode.token(stream, state.htmlState), modeSpec;
-
-      if (tagInfo && /\btag\b/.test(style) && stream.current() === ">" &&
-          (modeSpec = findMatchingMode(tagInfo, stream))) {
-        var mode = CodeMirror.getMode(config, modeSpec);
-        var endTagA = getTagRegexp(tagName, true), endTag = getTagRegexp(tagName, false);
+      var style = htmlMode.token(stream, state.htmlState), tag = /\btag\b/.test(style), tagName
+      if (tag && !/[<>\s\/]/.test(stream.current()) &&
+          (tagName = state.htmlState.tagName && state.htmlState.tagName.toLowerCase()) &&
+          tags.hasOwnProperty(tagName)) {
+        state.inTag = tagName + " "
+      } else if (state.inTag && tag && />$/.test(stream.current())) {
+        var inTag = /^([\S]+) (.*)/.exec(state.inTag)
+        state.inTag = null
+        var modeSpec = stream.current() == ">" && findMatchingMode(tags[inTag[1]], inTag[2])
+        var mode = CodeMirror.getMode(config, modeSpec)
+        var endTagA = getTagRegexp(inTag[1], true), endTag = getTagRegexp(inTag[1], false);
         state.token = function (stream, state) {
           if (stream.match(endTagA, false)) {
             state.token = html;
@@ -107,15 +105,18 b''
           return maybeBackup(stream, endTag, state.localMode.token(stream, state.localState));
         };
         state.localMode = mode;
-        state.localState = CodeMirror.startState(mode, htmlMode.indent(state.htmlState, ""));
+        state.localState = CodeMirror.startState(mode, htmlMode.indent(state.htmlState, "", ""));
+      } else if (state.inTag) {
+        state.inTag += stream.current()
+        if (stream.eol()) state.inTag += " "
       }
       return style;
     };
 
     return {
       startState: function () {
-        var state = htmlMode.startState();
-        return {token: html, localMode: null, localState: null, htmlState: state};
+        var state = CodeMirror.startState(htmlMode);
+        return {token: html, inTag: null, localMode: null, localState: null, htmlState: state};
       },
 
       copyState: function (state) {
@@ -123,7 +124,8 b''
         if (state.localState) {
           local = CodeMirror.copyState(state.localMode, state.localState);
         }
-        return {token: state.token, localMode: state.localMode, localState: local,
+        return {token: state.token, inTag: state.inTag,
+                localMode: state.localMode, localState: local,
                 htmlState: CodeMirror.copyState(htmlMode, state.htmlState)};
       },
 
@@ -131,11 +133,11 b''
         return state.token(stream, state);
       },
 
-      indent: function (state, textAfter) {
+      indent: function (state, textAfter, line) {
         if (!state.localMode || /^\s*<\//.test(textAfter))
-          return htmlMode.indent(state.htmlState, textAfter);
+          return htmlMode.indent(state.htmlState, textAfter, line);
         else if (state.localMode.indent)
-          return state.localMode.indent(state.localState, textAfter);
+          return state.localMode.indent(state.localState, textAfter, line);
         else
           return CodeMirror.Pass;
       },

rhodecode/public/js/mode/http/http.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/idl/idl.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/javascript/javascript.js

@@ -1,7 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-// TODO actually recognize syntax of TypeScript constructs
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -13,11 +11,6 b''
 })(function(CodeMirror) {
 "use strict";
 
-function expressionAllowed(stream, state, backUp) {
-  return /^(?:operator|sof|keyword c|case|new|[\[{}\(,;:]|=>)$/.test(state.lastType) ||
-    (state.lastType == "quasi" && /\{\s*$/.test(stream.string.slice(0, stream.pos - (backUp || 0))))
-}
-
 CodeMirror.defineMode("javascript", function(config, parserConfig) {
   var indentUnit = config.indentUnit;
   var statementIndent = parserConfig.statementIndent;
@@ -30,54 +23,24 b' CodeMirror.defineMode("javascript", func'
 
   var keywords = function(){
     function kw(type) {return {type: type, style: "keyword"};}
-    var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c");
+    var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"), D = kw("keyword d");
     var operator = kw("operator"), atom = {type: "atom", style: "atom"};
 
-    var jsKeywords = {
+    return {
       "if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B,
-      "return": C, "break": C, "continue": C, "new": kw("new"), "delete": C, "throw": C, "debugger": C,
-      "var": kw("var"), "const": kw("var"), "let": kw("var"),
+      "return": D, "break": D, "continue": D, "new": kw("new"), "delete": C, "void": C, "throw": C,
+      "debugger": kw("debugger"), "var": kw("var"), "const": kw("var"), "let": kw("var"),
       "function": kw("function"), "catch": kw("catch"),
       "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"),
       "in": operator, "typeof": operator, "instanceof": operator,
       "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom,
       "this": kw("this"), "class": kw("class"), "super": kw("atom"),
-      "yield": C, "export": kw("export"), "import": kw("import"), "extends": C
+      "yield": C, "export": kw("export"), "import": kw("import"), "extends": C,
+      "await": C
     };
-
-    // Extend the 'normal' keywords with the TypeScript language extensions
-    if (isTS) {
-      var type = {type: "variable", style: "variable-3"};
-      var tsKeywords = {
-        // object-like things
-        "interface": kw("class"),
-        "implements": C,
-        "namespace": C,
-        "module": kw("module"),
-        "enum": kw("module"),
-
-        // scope modifiers
-        "public": kw("modifier"),
-        "private": kw("modifier"),
-        "protected": kw("modifier"),
-        "abstract": kw("modifier"),
-
-        // operators
-        "as": operator,
-
-        // types
-        "string": type, "number": type, "boolean": type, "any": type
-      };
-
-      for (var attr in tsKeywords) {
-        jsKeywords[attr] = tsKeywords[attr];
-      }
-    }
-
-    return jsKeywords;
   }();
 
-  var isOperatorChar = /[+\-*&%=<>!?|~^]/;
+  var isOperatorChar = /[+\-*&%=<>!?|~^@]/;
   var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)"/;
 
   function readRegexp(stream) {
@@ -104,7 +67,7 b' CodeMirror.defineMode("javascript", func'
     if (ch == '"' || ch == "'") {
       state.tokenize = tokenString(ch);
       return state.tokenize(stream, state);
-    } else if (ch == "." && stream.match(/^\d+(?:[eE][+\-]?\d+)?/)) {
+    } else if (ch == "." && stream.match(/^\d[\d_]*(?:[eE][+\-]?[\d_]+)?/)) {
       return ret("number", "number");
     } else if (ch == "." && stream.match("..")) {
       return ret("spread", "meta");
@@ -112,17 +75,10 b' CodeMirror.defineMode("javascript", func'
       return ret(ch);
     } else if (ch == "=" && stream.eat(">")) {
       return ret("=>", "operator");
-    } else if (ch == "0" && stream.eat(/x/i)) {
-      stream.eatWhile(/[\da-f]/i);
-      return ret("number", "number");
-    } else if (ch == "0" && stream.eat(/o/i)) {
-      stream.eatWhile(/[0-7]/i);
-      return ret("number", "number");
-    } else if (ch == "0" && stream.eat(/b/i)) {
-      stream.eatWhile(/[01]/i);
+    } else if (ch == "0" && stream.match(/^(?:x[\dA-Fa-f_]+|o[0-7_]+|b[01_]+)n?/)) {
       return ret("number", "number");
     } else if (/\d/.test(ch)) {
-      stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/);
+      stream.match(/^[\d_]*(?:n|(?:\.[\d_]*)?(?:[eE][+\-]?[\d_]+)?)?/);
       return ret("number", "number");
     } else if (ch == "/") {
       if (stream.eat("*")) {
@@ -133,10 +89,10 b' CodeMirror.defineMode("javascript", func'
         return ret("comment", "comment");
       } else if (expressionAllowed(stream, state, 1)) {
         readRegexp(stream);
-        stream.match(/^\b(([gimyu])(?![gimyu]*\2))+\b/);
+        stream.match(/^\b(([gimyus])(?![gimyus]*\2))+\b/);
         return ret("regexp", "string-2");
       } else {
-        stream.eatWhile(isOperatorChar);
+        stream.eat("=");
         return ret("operator", "operator", stream.current());
       }
     } else if (ch == "`") {
@@ -145,14 +101,31 b' CodeMirror.defineMode("javascript", func'
     } else if (ch == "#") {
       stream.skipToEnd();
       return ret("error", "error");
+    } else if (ch == "<" && stream.match("!--") || ch == "-" && stream.match("->")) {
+      stream.skipToEnd()
+      return ret("comment", "comment")
     } else if (isOperatorChar.test(ch)) {
-      stream.eatWhile(isOperatorChar);
+      if (ch != ">" || !state.lexical || state.lexical.type != ">") {
+        if (stream.eat("=")) {
+          if (ch == "!" || ch == "=") stream.eat("=")
+        } else if (/[<>*+\-]/.test(ch)) {
+          stream.eat(ch)
+          if (ch == ">") stream.eat(ch)
+        }
+      }
       return ret("operator", "operator", stream.current());
     } else if (wordRE.test(ch)) {
       stream.eatWhile(wordRE);
-      var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word];
-      return (known && state.lastType != ".") ? ret(known.type, known.style, word) :
-                     ret("variable", "variable", word);
+      var word = stream.current()
+      if (state.lastType != ".") {
+        if (keywords.propertyIsEnumerable(word)) {
+          var kw = keywords[word]
+          return ret(kw.type, kw.style, word)
+        }
+        if (word == "async" && stream.match(/^(\s|\/\*.*?\*\/)*[\[\(\w]/, false))
+          return ret("async", "keyword", word)
+      }
+      return ret("variable", "variable", word)
     }
   }
 
@@ -209,19 +182,28 b' CodeMirror.defineMode("javascript", func'
     var arrow = stream.string.indexOf("=>", stream.start);
     if (arrow < 0) return;
 
+    if (isTS) { // Try to skip TypeScript return type declarations after the arguments
+      var m = /:\s*(?:\w+(?:<[^>]*>|\[\])?|\{[^}]*\})\s*$/.exec(stream.string.slice(stream.start, arrow))
+      if (m) arrow = m.index
+    }
+
     var depth = 0, sawSomething = false;
     for (var pos = arrow - 1; pos >= 0; --pos) {
       var ch = stream.string.charAt(pos);
       var bracket = brackets.indexOf(ch);
       if (bracket >= 0 && bracket < 3) {
         if (!depth) { ++pos; break; }
-        if (--depth == 0) break;
+        if (--depth == 0) { if (ch == "(") sawSomething = true; break; }
       } else if (bracket >= 3 && bracket < 6) {
         ++depth;
       } else if (wordRE.test(ch)) {
         sawSomething = true;
-      } else if (/["'\/]/.test(ch)) {
-        return;
+      } else if (/["'\/`]/.test(ch)) {
+        for (;; --pos) {
+          if (pos == 0) return
+          var next = stream.string.charAt(pos - 1)
+          if (next == ch && stream.string.charAt(pos - 2) != "\\") { pos--; break }
+        }
       } else if (sawSomething && !depth) {
         ++pos;
         break;
@@ -283,35 +265,68 b' CodeMirror.defineMode("javascript", func'
     pass.apply(null, arguments);
     return true;
   }
+  function inList(name, list) {
+    for (var v = list; v; v = v.next) if (v.name == name) return true
+    return false;
+  }
   function register(varname) {
-    function inList(list) {
-      for (var v = list; v; v = v.next)
-        if (v.name == varname) return true;
-      return false;
-    }
     var state = cx.state;
     cx.marked = "def";
     if (state.context) {
-      if (inList(state.localVars)) return;
-      state.localVars = {name: varname, next: state.localVars};
+      if (state.lexical.info == "var" && state.context && state.context.block) {
+        // FIXME function decls are also not block scoped
+        var newContext = registerVarScoped(varname, state.context)
+        if (newContext != null) {
+          state.context = newContext
+          return
+        }
+      } else if (!inList(varname, state.localVars)) {
+        state.localVars = new Var(varname, state.localVars)
+        return
+      }
+    }
+    // Fall through means this is global
+    if (parserConfig.globalVars && !inList(varname, state.globalVars))
+      state.globalVars = new Var(varname, state.globalVars)
+  }
+  function registerVarScoped(varname, context) {
+    if (!context) {
+      return null
+    } else if (context.block) {
+      var inner = registerVarScoped(varname, context.prev)
+      if (!inner) return null
+      if (inner == context.prev) return context
+      return new Context(inner, context.vars, true)
+    } else if (inList(varname, context.vars)) {
+      return context
     } else {
-      if (inList(state.globalVars)) return;
-      if (parserConfig.globalVars)
-        state.globalVars = {name: varname, next: state.globalVars};
+      return new Context(context.prev, new Var(varname, context.vars), false)
     }
   }
 
+  function isModifier(name) {
+    return name == "public" || name == "private" || name == "protected" || name == "abstract" || name == "readonly"
+  }
+
   // Combinators
 
-  var defaultVars = {name: "this", next: {name: "arguments"}};
+  function Context(prev, vars, block) { this.prev = prev; this.vars = vars; this.block = block }
+  function Var(name, next) { this.name = name; this.next = next }
+
+  var defaultVars = new Var("this", new Var("arguments", null))
   function pushcontext() {
-    cx.state.context = {prev: cx.state.context, vars: cx.state.localVars};
-    cx.state.localVars = defaultVars;
+    cx.state.context = new Context(cx.state.context, cx.state.localVars, false)
+    cx.state.localVars = defaultVars
+  }
+  function pushblockcontext() {
+    cx.state.context = new Context(cx.state.context, cx.state.localVars, true)
+    cx.state.localVars = null
   }
   function popcontext() {
-    cx.state.localVars = cx.state.context.vars;
-    cx.state.context = cx.state.context.prev;
+    cx.state.localVars = cx.state.context.vars
+    cx.state.context = cx.state.context.prev
   }
+  popcontext.lex = true
   function pushlex(type, info) {
     var result = function() {
       var state = cx.state, indent = state.indented;
@@ -336,71 +351,99 b' CodeMirror.defineMode("javascript", func'
   function expect(wanted) {
     function exp(type) {
       if (type == wanted) return cont();
-      else if (wanted == ";") return pass();
+      else if (wanted == ";" || type == "}" || type == ")" || type == "]") return pass();
       else return cont(exp);
     };
     return exp;
   }
 
   function statement(type, value) {
-    if (type == "var") return cont(pushlex("vardef", value.length), vardef, expect(";"), poplex);
-    if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex);
+    if (type == "var") return cont(pushlex("vardef", value), vardef, expect(";"), poplex);
+    if (type == "keyword a") return cont(pushlex("form"), parenExpr, statement, poplex);
     if (type == "keyword b") return cont(pushlex("form"), statement, poplex);
-    if (type == "{") return cont(pushlex("}"), block, poplex);
+    if (type == "keyword d") return cx.stream.match(/^\s*$/, false) ? cont() : cont(pushlex("stat"), maybeexpression, expect(";"), poplex);
+    if (type == "debugger") return cont(expect(";"));
+    if (type == "{") return cont(pushlex("}"), pushblockcontext, block, poplex, popcontext);
     if (type == ";") return cont();
     if (type == "if") {
       if (cx.state.lexical.info == "else" && cx.state.cc[cx.state.cc.length - 1] == poplex)
         cx.state.cc.pop()();
-      return cont(pushlex("form"), expression, statement, poplex, maybeelse);
+      return cont(pushlex("form"), parenExpr, statement, poplex, maybeelse);
     }
     if (type == "function") return cont(functiondef);
     if (type == "for") return cont(pushlex("form"), forspec, statement, poplex);
-    if (type == "variable") return cont(pushlex("stat"), maybelabel);
-    if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"),
-                                      block, poplex, poplex);
+    if (type == "class" || (isTS && value == "interface")) {
+      cx.marked = "keyword"
+      return cont(pushlex("form", type == "class" ? type : value), className, poplex)
+    }
+    if (type == "variable") {
+      if (isTS && value == "declare") {
+        cx.marked = "keyword"
+        return cont(statement)
+      } else if (isTS && (value == "module" || value == "enum" || value == "type") && cx.stream.match(/^\s*\w/, false)) {
+        cx.marked = "keyword"
+        if (value == "enum") return cont(enumdef);
+        else if (value == "type") return cont(typename, expect("operator"), typeexpr, expect(";"));
+        else return cont(pushlex("form"), pattern, expect("{"), pushlex("}"), block, poplex, poplex)
+      } else if (isTS && value == "namespace") {
+        cx.marked = "keyword"
+        return cont(pushlex("form"), expression, statement, poplex)
+      } else if (isTS && value == "abstract") {
+        cx.marked = "keyword"
+        return cont(statement)
+      } else {
+        return cont(pushlex("stat"), maybelabel);
+      }
+    }
+    if (type == "switch") return cont(pushlex("form"), parenExpr, expect("{"), pushlex("}", "switch"), pushblockcontext,
+                                      block, poplex, poplex, popcontext);
     if (type == "case") return cont(expression, expect(":"));
     if (type == "default") return cont(expect(":"));
-    if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"),
-                                     statement, poplex, popcontext);
-    if (type == "class") return cont(pushlex("form"), className, poplex);
+    if (type == "catch") return cont(pushlex("form"), pushcontext, maybeCatchBinding, statement, poplex, popcontext);
     if (type == "export") return cont(pushlex("stat"), afterExport, poplex);
     if (type == "import") return cont(pushlex("stat"), afterImport, poplex);
-    if (type == "module") return cont(pushlex("form"), pattern, pushlex("}"), expect("{"), block, poplex, poplex)
+    if (type == "async") return cont(statement)
+    if (value == "@") return cont(expression, statement)
     return pass(pushlex("stat"), expression, expect(";"), poplex);
   }
-  function expression(type) {
-    return expressionInner(type, false);
+  function maybeCatchBinding(type) {
+    if (type == "(") return cont(funarg, expect(")"))
+  }
+  function expression(type, value) {
+    return expressionInner(type, value, false);
   }
-  function expressionNoComma(type) {
-    return expressionInner(type, true);
+  function expressionNoComma(type, value) {
+    return expressionInner(type, value, true);
   }
-  function expressionInner(type, noComma) {
+  function parenExpr(type) {
+    if (type != "(") return pass()
+    return cont(pushlex(")"), expression, expect(")"), poplex)
+  }
+  function expressionInner(type, value, noComma) {
     if (cx.state.fatArrowAt == cx.stream.start) {
       var body = noComma ? arrowBodyNoComma : arrowBody;
-      if (type == "(") return cont(pushcontext, pushlex(")"), commasep(pattern, ")"), poplex, expect("=>"), body, popcontext);
+      if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, expect("=>"), body, popcontext);
       else if (type == "variable") return pass(pushcontext, pattern, expect("=>"), body, popcontext);
     }
 
     var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma;
     if (atomicTypes.hasOwnProperty(type)) return cont(maybeop);
     if (type == "function") return cont(functiondef, maybeop);
-    if (type == "keyword c") return cont(noComma ? maybeexpressionNoComma : maybeexpression);
-    if (type == "(") return cont(pushlex(")"), maybeexpression, comprehension, expect(")"), poplex, maybeop);
+    if (type == "class" || (isTS && value == "interface")) { cx.marked = "keyword"; return cont(pushlex("form"), classExpression, poplex); }
+    if (type == "keyword c" || type == "async") return cont(noComma ? expressionNoComma : expression);
+    if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeop);
     if (type == "operator" || type == "spread") return cont(noComma ? expressionNoComma : expression);
     if (type == "[") return cont(pushlex("]"), arrayLiteral, poplex, maybeop);
     if (type == "{") return contCommasep(objprop, "}", null, maybeop);
     if (type == "quasi") return pass(quasi, maybeop);
     if (type == "new") return cont(maybeTarget(noComma));
+    if (type == "import") return cont(expression);
     return cont();
   }
   function maybeexpression(type) {
     if (type.match(/[;\}\)\],]/)) return pass();
     return pass(expression);
   }
-  function maybeexpressionNoComma(type) {
-    if (type.match(/[;\}\)\],]/)) return pass();
-    return pass(expressionNoComma);
-  }
 
   function maybeoperatorComma(type, value) {
     if (type == ",") return cont(expression);
@@ -411,7 +454,9 b' CodeMirror.defineMode("javascript", func'
     var expr = noComma == false ? expression : expressionNoComma;
     if (type == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext);
     if (type == "operator") {
-      if (/\+\+|--/.test(value)) return cont(me);
+      if (/\+\+|--/.test(value) || isTS && value == "!") return cont(me);
+      if (isTS && value == "<" && cx.stream.match(/^([^>]|<.*?>)*>\s*\(/, false))
+        return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, me);
       if (value == "?") return cont(expression, expect(":"), expr);
       return cont(expr);
     }
@@ -420,6 +465,12 b' CodeMirror.defineMode("javascript", func'
     if (type == "(") return contCommasep(expressionNoComma, ")", "call", me);
     if (type == ".") return cont(property, me);
     if (type == "[") return cont(pushlex("]"), maybeexpression, expect("]"), poplex, me);
+    if (isTS && value == "as") { cx.marked = "keyword"; return cont(typeexpr, me) }
+    if (type == "regexp") {
+      cx.state.lastType = cx.marked = "operator"
+      cx.stream.backUp(cx.stream.pos - cx.stream.start - 1)
+      return cont(expr)
+    }
   }
   function quasi(type, value) {
     if (type != "quasi") return pass();
@@ -444,6 +495,7 b' CodeMirror.defineMode("javascript", func'
   function maybeTarget(noComma) {
     return function(type) {
       if (type == ".") return cont(noComma ? targetNoComma : target);
+      else if (type == "variable" && isTS) return cont(maybeTypeArgs, noComma ? maybeoperatorNoComma : maybeoperatorComma)
       else return pass(noComma ? expressionNoComma : expression);
     };
   }
@@ -461,21 +513,33 b' CodeMirror.defineMode("javascript", func'
     if (type == "variable") {cx.marked = "property"; return cont();}
   }
   function objprop(type, value) {
-    if (type == "variable" || cx.style == "keyword") {
+    if (type == "async") {
+      cx.marked = "property";
+      return cont(objprop);
+    } else if (type == "variable" || cx.style == "keyword") {
       cx.marked = "property";
       if (value == "get" || value == "set") return cont(getterSetter);
+      var m // Work around fat-arrow-detection complication for detecting typescript typed arrow params
+      if (isTS && cx.state.fatArrowAt == cx.stream.start && (m = cx.stream.match(/^\s*:\s*/, false)))
+        cx.state.fatArrowAt = cx.stream.pos + m[0].length
       return cont(afterprop);
     } else if (type == "number" || type == "string") {
       cx.marked = jsonldMode ? "property" : (cx.style + " property");
       return cont(afterprop);
     } else if (type == "jsonld-keyword") {
       return cont(afterprop);
-    } else if (type == "modifier") {
+    } else if (isTS && isModifier(value)) {
+      cx.marked = "keyword"
       return cont(objprop)
     } else if (type == "[") {
-      return cont(expression, expect("]"), afterprop);
+      return cont(expression, maybetype, expect("]"), afterprop);
     } else if (type == "spread") {
-      return cont(expression);
+      return cont(expressionNoComma, afterprop);
+    } else if (value == "*") {
+      cx.marked = "keyword";
+      return cont(objprop);
+    } else if (type == ":") {
+      return pass(afterprop)
     }
   }
   function getterSetter(type) {
@@ -487,18 +551,22 b' CodeMirror.defineMode("javascript", func'
     if (type == ":") return cont(expressionNoComma);
     if (type == "(") return pass(functiondef);
   }
-  function commasep(what, end) {
-    function proceed(type) {
-      if (type == ",") {
+  function commasep(what, end, sep) {
+    function proceed(type, value) {
+      if (sep ? sep.indexOf(type) > -1 : type == ",") {
         var lex = cx.state.lexical;
         if (lex.info == "call") lex.pos = (lex.pos || 0) + 1;
-        return cont(what, proceed);
+        return cont(function(type, value) {
+          if (type == end || value == end) return pass()
+          return pass(what)
+        }, proceed);
       }
-      if (type == end) return cont();
+      if (type == end || value == end) return cont();
+      if (sep && sep.indexOf(";") > -1) return pass(what)
       return cont(expect(end));
     }
-    return function(type) {
-      if (type == end) return cont();
+    return function(type, value) {
+      if (type == end || value == end) return cont();
       return pass(what, proceed);
     };
   }
@@ -511,23 +579,91 b' CodeMirror.defineMode("javascript", func'
     if (type == "}") return cont();
     return pass(statement, block);
   }
-  function maybetype(type) {
-    if (isTS && type == ":") return cont(typedef);
+  function maybetype(type, value) {
+    if (isTS) {
+      if (type == ":") return cont(typeexpr);
+      if (value == "?") return cont(maybetype);
+    }
+  }
+  function maybetypeOrIn(type, value) {
+    if (isTS && (type == ":" || value == "in")) return cont(typeexpr)
+  }
+  function mayberettype(type) {
+    if (isTS && type == ":") {
+      if (cx.stream.match(/^\s*\w+\s+is\b/, false)) return cont(expression, isKW, typeexpr)
+      else return cont(typeexpr)
+    }
+  }
+  function isKW(_, value) {
+    if (value == "is") {
+      cx.marked = "keyword"
+      return cont()
+    }
+  }
+  function typeexpr(type, value) {
+    if (value == "keyof" || value == "typeof" || value == "infer") {
+      cx.marked = "keyword"
+      return cont(value == "typeof" ? expressionNoComma : typeexpr)
+    }
+    if (type == "variable" || value == "void") {
+      cx.marked = "type"
+      return cont(afterType)
+    }
+    if (value == "|" || value == "&") return cont(typeexpr)
+    if (type == "string" || type == "number" || type == "atom") return cont(afterType);
+    if (type == "[") return cont(pushlex("]"), commasep(typeexpr, "]", ","), poplex, afterType)
+    if (type == "{") return cont(pushlex("}"), commasep(typeprop, "}", ",;"), poplex, afterType)
+    if (type == "(") return cont(commasep(typearg, ")"), maybeReturnType, afterType)
+    if (type == "<") return cont(commasep(typeexpr, ">"), typeexpr)
   }
-  function maybedefault(_, value) {
-    if (value == "=") return cont(expressionNoComma);
+  function maybeReturnType(type) {
+    if (type == "=>") return cont(typeexpr)
+  }
+  function typeprop(type, value) {
+    if (type == "variable" || cx.style == "keyword") {
+      cx.marked = "property"
+      return cont(typeprop)
+    } else if (value == "?" || type == "number" || type == "string") {
+      return cont(typeprop)
+    } else if (type == ":") {
+      return cont(typeexpr)
+    } else if (type == "[") {
+      return cont(expect("variable"), maybetypeOrIn, expect("]"), typeprop)
+    } else if (type == "(") {
+      return pass(functiondecl, typeprop)
+    }
   }
-  function typedef(type) {
-    if (type == "variable") {cx.marked = "variable-3"; return cont();}
+  function typearg(type, value) {
+    if (type == "variable" && cx.stream.match(/^\s*[?:]/, false) || value == "?") return cont(typearg)
+    if (type == ":") return cont(typeexpr)
+    if (type == "spread") return cont(typearg)
+    return pass(typeexpr)
   }
-  function vardef() {
+  function afterType(type, value) {
+    if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType)
+    if (value == "|" || type == "." || value == "&") return cont(typeexpr)
+    if (type == "[") return cont(typeexpr, expect("]"), afterType)
+    if (value == "extends" || value == "implements") { cx.marked = "keyword"; return cont(typeexpr) }
+    if (value == "?") return cont(typeexpr, expect(":"), typeexpr)
+  }
+  function maybeTypeArgs(_, value) {
+    if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType)
+  }
+  function typeparam() {
+    return pass(typeexpr, maybeTypeDefault)
+  }
+  function maybeTypeDefault(_, value) {
+    if (value == "=") return cont(typeexpr)
+  }
+  function vardef(_, value) {
+    if (value == "enum") {cx.marked = "keyword"; return cont(enumdef)}
     return pass(pattern, maybetype, maybeAssign, vardefCont);
   }
   function pattern(type, value) {
-    if (type == "modifier") return cont(pattern)
+    if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(pattern) }
     if (type == "variable") { register(value); return cont(); }
     if (type == "spread") return cont(pattern);
-    if (type == "[") return contCommasep(pattern, "]");
+    if (type == "[") return contCommasep(eltpattern, "]");
     if (type == "{") return contCommasep(proppattern, "}");
   }
   function proppattern(type, value) {
@@ -538,8 +674,12 b' CodeMirror.defineMode("javascript", func'
     if (type == "variable") cx.marked = "property";
     if (type == "spread") return cont(pattern);
     if (type == "}") return pass();
+    if (type == "[") return cont(expression, expect(']'), expect(':'), proppattern);
     return cont(expect(":"), pattern, maybeAssign);
   }
+  function eltpattern() {
+    return pass(pattern, maybeAssign)
+  }
   function maybeAssign(_type, value) {
     if (value == "=") return cont(expressionNoComma);
   }
@@ -549,73 +689,109 b' CodeMirror.defineMode("javascript", func'
   function maybeelse(type, value) {
     if (type == "keyword b" && value == "else") return cont(pushlex("form", "else"), statement, poplex);
   }
-  function forspec(type) {
-    if (type == "(") return cont(pushlex(")"), forspec1, expect(")"), poplex);
+  function forspec(type, value) {
+    if (value == "await") return cont(forspec);
+    if (type == "(") return cont(pushlex(")"), forspec1, poplex);
   }
   function forspec1(type) {
-    if (type == "var") return cont(vardef, expect(";"), forspec2);
-    if (type == ";") return cont(forspec2);
-    if (type == "variable") return cont(formaybeinof);
-    return pass(expression, expect(";"), forspec2);
-  }
-  function formaybeinof(_type, value) {
-    if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); }
-    return cont(maybeoperatorComma, forspec2);
+    if (type == "var") return cont(vardef, forspec2);
+    if (type == "variable") return cont(forspec2);
+    return pass(forspec2)
   }
   function forspec2(type, value) {
-    if (type == ";") return cont(forspec3);
-    if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); }
-    return pass(expression, expect(";"), forspec3);
-  }
-  function forspec3(type) {
-    if (type != ")") cont(expression);
+    if (type == ")") return cont()
+    if (type == ";") return cont(forspec2)
+    if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression, forspec2) }
+    return pass(expression, forspec2)
   }
   function functiondef(type, value) {
     if (value == "*") {cx.marked = "keyword"; return cont(functiondef);}
     if (type == "variable") {register(value); return cont(functiondef);}
-    if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, statement, popcontext);
+    if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, mayberettype, statement, popcontext);
+    if (isTS && value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, functiondef)
+  }
+  function functiondecl(type, value) {
+    if (value == "*") {cx.marked = "keyword"; return cont(functiondecl);}
+    if (type == "variable") {register(value); return cont(functiondecl);}
+    if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, mayberettype, popcontext);
+    if (isTS && value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, functiondecl)
   }
-  function funarg(type) {
+  function typename(type, value) {
+    if (type == "keyword" || type == "variable") {
+      cx.marked = "type"
+      return cont(typename)
+    } else if (value == "<") {
+      return cont(pushlex(">"), commasep(typeparam, ">"), poplex)
+    }
+  }
+  function funarg(type, value) {
+    if (value == "@") cont(expression, funarg)
     if (type == "spread") return cont(funarg);
-    return pass(pattern, maybetype, maybedefault);
+    if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(funarg); }
+    if (isTS && type == "this") return cont(maybetype, maybeAssign)
+    return pass(pattern, maybetype, maybeAssign);
+  }
+  function classExpression(type, value) {
+    // Class expressions may have an optional name.
+    if (type == "variable") return className(type, value);
+    return classNameAfter(type, value);
   }
   function className(type, value) {
     if (type == "variable") {register(value); return cont(classNameAfter);}
   }
   function classNameAfter(type, value) {
-    if (value == "extends") return cont(expression, classNameAfter);
+    if (value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, classNameAfter)
+    if (value == "extends" || value == "implements" || (isTS && type == ",")) {
+      if (value == "implements") cx.marked = "keyword";
+      return cont(isTS ? typeexpr : expression, classNameAfter);
+    }
     if (type == "{") return cont(pushlex("}"), classBody, poplex);
   }
   function classBody(type, value) {
+    if (type == "async" ||
+        (type == "variable" &&
+         (value == "static" || value == "get" || value == "set" || (isTS && isModifier(value))) &&
+         cx.stream.match(/^\s+[\w$\xa1-\uffff]/, false))) {
+      cx.marked = "keyword";
+      return cont(classBody);
+    }
     if (type == "variable" || cx.style == "keyword") {
-      if (value == "static") {
-        cx.marked = "keyword";
-        return cont(classBody);
-      }
       cx.marked = "property";
-      if (value == "get" || value == "set") return cont(classGetterSetter, functiondef, classBody);
-      return cont(functiondef, classBody);
+      return cont(isTS ? classfield : functiondef, classBody);
     }
+    if (type == "number" || type == "string") return cont(isTS ? classfield : functiondef, classBody);
+    if (type == "[")
+      return cont(expression, maybetype, expect("]"), isTS ? classfield : functiondef, classBody)
     if (value == "*") {
       cx.marked = "keyword";
       return cont(classBody);
     }
-    if (type == ";") return cont(classBody);
+    if (isTS && type == "(") return pass(functiondecl, classBody)
+    if (type == ";" || type == ",") return cont(classBody);
     if (type == "}") return cont();
+    if (value == "@") return cont(expression, classBody)
   }
-  function classGetterSetter(type) {
-    if (type != "variable") return pass();
-    cx.marked = "property";
-    return cont();
+  function classfield(type, value) {
+    if (value == "?") return cont(classfield)
+    if (type == ":") return cont(typeexpr, maybeAssign)
+    if (value == "=") return cont(expressionNoComma)
+    var context = cx.state.lexical.prev, isInterface = context && context.info == "interface"
+    return pass(isInterface ? functiondecl : functiondef)
   }
-  function afterExport(_type, value) {
+  function afterExport(type, value) {
     if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); }
     if (value == "default") { cx.marked = "keyword"; return cont(expression, expect(";")); }
+    if (type == "{") return cont(commasep(exportField, "}"), maybeFrom, expect(";"));
     return pass(statement);
   }
+  function exportField(type, value) {
+    if (value == "as") { cx.marked = "keyword"; return cont(expect("variable")); }
+    if (type == "variable") return pass(expressionNoComma, exportField);
+  }
   function afterImport(type) {
     if (type == "string") return cont();
-    return pass(importSpec, maybeFrom);
+    if (type == "(") return pass(expression);
+    return pass(importSpec, maybeMoreImports, maybeFrom);
   }
   function importSpec(type, value) {
     if (type == "{") return contCommasep(importSpec, "}");
@@ -623,6 +799,9 b' CodeMirror.defineMode("javascript", func'
     if (value == "*") cx.marked = "keyword";
     return cont(maybeAs);
   }
+  function maybeMoreImports(type) {
+    if (type == ",") return cont(importSpec, maybeMoreImports)
+  }
   function maybeAs(_type, value) {
     if (value == "as") { cx.marked = "keyword"; return cont(importSpec); }
   }
@@ -631,16 +810,13 b' CodeMirror.defineMode("javascript", func'
   }
   function arrayLiteral(type) {
     if (type == "]") return cont();
-    return pass(expressionNoComma, maybeArrayComprehension);
-  }
-  function maybeArrayComprehension(type) {
-    if (type == "for") return pass(comprehension, expect("]"));
-    if (type == ",") return cont(commasep(maybeexpressionNoComma, "]"));
     return pass(commasep(expressionNoComma, "]"));
   }
-  function comprehension(type) {
-    if (type == "for") return cont(forspec, comprehension);
-    if (type == "if") return cont(expression, comprehension);
+  function enumdef() {
+    return pass(pushlex("form"), pattern, expect("{"), pushlex("}"), commasep(enummember, "}"), poplex, poplex)
+  }
+  function enummember() {
+    return pass(pattern, maybeAssign);
   }
 
   function isContinuedStatement(state, textAfter) {
@@ -649,6 +825,12 b' CodeMirror.defineMode("javascript", func'
       /[,.]/.test(textAfter.charAt(0));
   }
 
+  function expressionAllowed(stream, state, backUp) {
+    return state.tokenize == tokenBase &&
+      /^(?:operator|sof|keyword [bcd]|case|new|export|default|spread|[\[{}\(,;:]|=>)$/.test(state.lastType) ||
+      (state.lastType == "quasi" && /\{\s*$/.test(stream.string.slice(0, stream.pos - (backUp || 0))))
+  }
+
   // Interface
 
   return {
@@ -659,7 +841,7 b' CodeMirror.defineMode("javascript", func'
         cc: [],
         lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false),
         localVars: parserConfig.localVars,
-        context: parserConfig.localVars && {vars: parserConfig.localVars},
+        context: parserConfig.localVars && new Context(null, null, false),
         indented: basecolumn || 0
       };
       if (parserConfig.globalVars && typeof parserConfig.globalVars == "object")
@@ -684,19 +866,23 b' CodeMirror.defineMode("javascript", func'
     indent: function(state, textAfter) {
       if (state.tokenize == tokenComment) return CodeMirror.Pass;
       if (state.tokenize != tokenBase) return 0;
-      var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical;
+      var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical, top
       // Kludge to prevent 'maybelse' from blocking lexical scope pops
       if (!/^\s*else\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) {
         var c = state.cc[i];
         if (c == poplex) lexical = lexical.prev;
         else if (c != maybeelse) break;
       }
-      if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev;
+      while ((lexical.type == "stat" || lexical.type == "form") &&
+             (firstChar == "}" || ((top = state.cc[state.cc.length - 1]) &&
+                                   (top == maybeoperatorComma || top == maybeoperatorNoComma) &&
+                                   !/^[,\.=+\-*:?[\(]/.test(textAfter))))
+        lexical = lexical.prev;
       if (statementIndent && lexical.type == ")" && lexical.prev.type == "stat")
         lexical = lexical.prev;
       var type = lexical.type, closing = firstChar == type;
 
-      if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info + 1 : 0);
+      if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info.length + 1 : 0);
       else if (type == "form" && firstChar == "{") return lexical.indented;
       else if (type == "form") return lexical.indented + indentUnit;
       else if (type == "stat")
@@ -710,6 +896,7 b' CodeMirror.defineMode("javascript", func'
     electricInput: /^\s*(?:case .*?:|default:|\{|\})$/,
     blockCommentStart: jsonMode ? null : "/*",
     blockCommentEnd: jsonMode ? null : "*/",
+    blockCommentContinue: jsonMode ? null : " * ",
     lineComment: jsonMode ? null : "//",
     fold: "brace",
     closeBrackets: "()[]{}''\"\"``",
@@ -719,6 +906,7 b' CodeMirror.defineMode("javascript", func'
     jsonMode: jsonMode,
 
     expressionAllowed: expressionAllowed,
+
     skipExpression: function(state) {
       var top = state.cc[state.cc.length - 1]
       if (top == expression || top == expressionNoComma) state.cc.pop()

rhodecode/public/js/mode/jinja2/jinja2.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -107,7 +107,7 b''
         }
         return "variable";
       } else if (stream.eat("{")) {
-        if (ch = stream.eat("#")) {
+        if (stream.eat("#")) {
           state.incomment = true;
           if(!stream.skipTo("#}")) {
             stream.skipToEnd();
@@ -136,7 +136,11 b''
       },
       token: function (stream, state) {
         return state.tokenize(stream, state);
-      }
+      },
+      blockCommentStart: "{#",
+      blockCommentEnd: "#}"
     };
   });
+
+  CodeMirror.defineMIME("text/jinja2", "jinja2");
 });

rhodecode/public/js/mode/jsx/jsx.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -25,14 +25,14 b''
                        context.prev && copyContext(context.prev))
   }
 
-  CodeMirror.defineMode("jsx", function(config) {
-    var xmlMode = CodeMirror.getMode(config, {name: "xml", allowMissing: true, multilineTagIndentPastTag: false})
-    var jsMode = CodeMirror.getMode(config, "javascript")
+  CodeMirror.defineMode("jsx", function(config, modeConfig) {
+    var xmlMode = CodeMirror.getMode(config, {name: "xml", allowMissing: true, multilineTagIndentPastTag: false, allowMissingTagName: true})
+    var jsMode = CodeMirror.getMode(config, modeConfig && modeConfig.base || "javascript")
 
     function flatXMLIndent(state) {
       var tagName = state.tagName
       state.tagName = null
-      var result = xmlMode.indent(state, "")
+      var result = xmlMode.indent(state, "", "")
       state.tagName = tagName
       return result
     }
@@ -105,7 +105,7 b''
     function jsToken(stream, state, cx) {
       if (stream.peek() == "<" && jsMode.expressionAllowed(stream, cx.state)) {
         jsMode.skipExpression(cx.state)
-        state.context = new Context(CodeMirror.startState(xmlMode, jsMode.indent(cx.state, "")),
+        state.context = new Context(CodeMirror.startState(xmlMode, jsMode.indent(cx.state, "", "")),
                                     xmlMode, 0, state.context)
         return null
       }
@@ -144,4 +144,5 b''
   }, "xml", "javascript")
 
   CodeMirror.defineMIME("text/jsx", "jsx")
-})
+  CodeMirror.defineMIME("text/typescript-jsx", {name: "jsx", base: {name: "javascript", typescript: true}})
+});

rhodecode/public/js/mode/julia/julia.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -11,61 +11,78 b''
 })(function(CodeMirror) {
 "use strict";
 
-CodeMirror.defineMode("julia", function(_conf, parserConf) {
-  var ERRORCLASS = 'error';
-
-  function wordRegexp(words) {
-    return new RegExp("^((" + words.join(")|(") + "))\\b");
+CodeMirror.defineMode("julia", function(config, parserConf) {
+  function wordRegexp(words, end) {
+    if (typeof end === "undefined") { end = "\\b"; }
+    return new RegExp("^((" + words.join(")|(") + "))" + end);
   }
 
-  var operators = parserConf.operators || /^\.?[|&^\\%*+\-<>!=\/]=?|\?|~|:|\$|\.[<>]|<<=?|>>>?=?|\.[<>=]=|->?|\/\/|\bin\b(?!\()|[\u2208\u2209](?!\()/;
+  var octChar = "\\\\[0-7]{1,3}";
+  var hexChar = "\\\\x[A-Fa-f0-9]{1,2}";
+  var sChar = "\\\\[abefnrtv0%?'\"\\\\]";
+  var uChar = "([^\\u0027\\u005C\\uD800-\\uDFFF]|[\\uD800-\\uDFFF][\\uDC00-\\uDFFF])";
+
+  var operators = parserConf.operators || wordRegexp([
+        "[<>]:", "[<>=]=", "<<=?", ">>>?=?", "=>", "->", "\\/\\/",
+        "[\\\\%*+\\-<>!=\\/^|&\\u00F7\\u22BB]=?", "\\?", "\\$", "~", ":",
+        "\\u00D7", "\\u2208", "\\u2209", "\\u220B", "\\u220C", "\\u2218",
+        "\\u221A", "\\u221B", "\\u2229", "\\u222A", "\\u2260", "\\u2264",
+        "\\u2265", "\\u2286", "\\u2288", "\\u228A", "\\u22C5",
+        "\\b(in|isa)\\b(?!\.?\\()"], "");
   var delimiters = parserConf.delimiters || /^[;,()[\]{}]/;
-  var identifiers = parserConf.identifiers || /^[_A-Za-z\u00A1-\uFFFF][_A-Za-z0-9\u00A1-\uFFFF]*!*/;
-  var blockOpeners = ["begin", "function", "type", "immutable", "let", "macro", "for", "while", "quote", "if", "else", "elseif", "try", "finally", "catch", "do"];
-  var blockClosers = ["end", "else", "elseif", "catch", "finally"];
-  var keywordList = ['if', 'else', 'elseif', 'while', 'for', 'begin', 'let', 'end', 'do', 'try', 'catch', 'finally', 'return', 'break', 'continue', 'global', 'local', 'const', 'export', 'import', 'importall', 'using', 'function', 'macro', 'module', 'baremodule', 'type', 'immutable', 'quote', 'typealias', 'abstract', 'bitstype'];
-  var builtinList = ['true', 'false', 'nothing', 'NaN', 'Inf'];
+  var identifiers = parserConf.identifiers ||
+        /^[_A-Za-z\u00A1-\u2217\u2219-\uFFFF][\w\u00A1-\u2217\u2219-\uFFFF]*!*/;
+
+  var chars = wordRegexp([octChar, hexChar, sChar, uChar], "'");
+
+  var openersList = ["begin", "function", "type", "struct", "immutable", "let",
+        "macro", "for", "while", "quote", "if", "else", "elseif", "try",
+        "finally", "catch", "do"];
 
-  //var stringPrefixes = new RegExp("^[br]?('|\")")
-  var stringPrefixes = /^(`|'|"{3}|([brv]?"))/;
-  var keywords = wordRegexp(keywordList);
-  var builtins = wordRegexp(builtinList);
-  var openers = wordRegexp(blockOpeners);
-  var closers = wordRegexp(blockClosers);
-  var macro = /^@[_A-Za-z][_A-Za-z0-9]*/;
-  var symbol = /^:[_A-Za-z\u00A1-\uFFFF][_A-Za-z0-9\u00A1-\uFFFF]*!*/;
-  var typeAnnotation = /^::[^.,;"{()=$\s]+({[^}]*}+)*/;
+  var closersList = ["end", "else", "elseif", "catch", "finally"];
+
+  var keywordsList = ["if", "else", "elseif", "while", "for", "begin", "let",
+        "end", "do", "try", "catch", "finally", "return", "break", "continue",
+        "global", "local", "const", "export", "import", "importall", "using",
+        "function", "where", "macro", "module", "baremodule", "struct", "type",
+        "mutable", "immutable", "quote", "typealias", "abstract", "primitive",
+        "bitstype"];
+
+  var builtinsList = ["true", "false", "nothing", "NaN", "Inf"];
+
+  CodeMirror.registerHelper("hintWords", "julia", keywordsList.concat(builtinsList));
+
+  var openers = wordRegexp(openersList);
+  var closers = wordRegexp(closersList);
+  var keywords = wordRegexp(keywordsList);
+  var builtins = wordRegexp(builtinsList);
+
+  var macro = /^@[_A-Za-z][\w]*/;
+  var symbol = /^:[_A-Za-z\u00A1-\uFFFF][\w\u00A1-\uFFFF]*!*/;
+  var stringPrefixes = /^(`|([_A-Za-z\u00A1-\uFFFF]*"("")?))/;
 
   function inArray(state) {
-    var ch = currentScope(state);
-    if (ch == '[') {
-      return true;
-    }
-    return false;
+    return (state.nestedArrays > 0);
+  }
+
+  function inGenerator(state) {
+    return (state.nestedGenerators > 0);
   }
 
-  function currentScope(state) {
-    if (state.scopes.length == 0) {
+  function currentScope(state, n) {
+    if (typeof(n) === "undefined") { n = 0; }
+    if (state.scopes.length <= n) {
       return null;
     }
-    return state.scopes[state.scopes.length - 1];
+    return state.scopes[state.scopes.length - (n + 1)];
   }
 
   // tokenizers
   function tokenBase(stream, state) {
-    //Handle multiline comments
-    if (stream.match(/^#=\s*/)) {
-      state.scopes.push('#=');
-    }
-    if (currentScope(state) == '#=' && stream.match(/^=#/)) {
-      state.scopes.pop();
-      return 'comment';
-    }
-    if (state.scopes.indexOf('#=') >= 0) {
-      if (!stream.match(/.*?(?=(#=|=#))/)) {
-        stream.skipToEnd();
-      }
-      return 'comment';
+    // Handle multiline comments
+    if (stream.match(/^#=/, false)) {
+      state.tokenize = tokenComment;
+      return state.tokenize(stream, state);
     }
 
     // Handle scope changes
@@ -74,14 +91,17 b' CodeMirror.defineMode("julia", function('
       leavingExpr = false;
     }
     state.leavingExpr = false;
+
     if (leavingExpr) {
       if (stream.match(/^'+/)) {
-        return 'operator';
+        return "operator";
       }
     }
 
-    if (stream.match(/^\.{2,3}/)) {
-      return 'operator';
+    if (stream.match(/\.{4,}/)) {
+      return "error";
+    } else if (stream.match(/\.{1,3}/)) {
+      return "operator";
     }
 
     if (stream.eatSpace()) {
@@ -93,105 +113,101 b' CodeMirror.defineMode("julia", function('
     // Handle single line comments
     if (ch === '#') {
       stream.skipToEnd();
-      return 'comment';
+      return "comment";
     }
 
     if (ch === '[') {
       state.scopes.push('[');
+      state.nestedArrays++;
     }
 
-    var scope = currentScope(state);
+    if (ch === '(') {
+      state.scopes.push('(');
+      state.nestedGenerators++;
+    }
 
-    if (scope == '[' && ch === ']') {
+    if (inArray(state) && ch === ']') {
+      if (currentScope(state) === "if") { state.scopes.pop(); }
+      while (currentScope(state) === "for") { state.scopes.pop(); }
       state.scopes.pop();
+      state.nestedArrays--;
       state.leavingExpr = true;
     }
 
-    if (scope == '(' && ch === ')') {
+    if (inGenerator(state) && ch === ')') {
+      if (currentScope(state) === "if") { state.scopes.pop(); }
+      while (currentScope(state) === "for") { state.scopes.pop(); }
       state.scopes.pop();
+      state.nestedGenerators--;
       state.leavingExpr = true;
     }
 
+    if (inArray(state)) {
+      if (state.lastToken == "end" && stream.match(/^:/)) {
+        return "operator";
+      }
+      if (stream.match(/^end/)) {
+        return "number";
+      }
+    }
+
     var match;
-    if (!inArray(state) && (match=stream.match(openers, false))) {
-      state.scopes.push(match);
+    if (match = stream.match(openers, false)) {
+      state.scopes.push(match[0]);
     }
 
-    if (!inArray(state) && stream.match(closers, false)) {
+    if (stream.match(closers, false)) {
       state.scopes.pop();
     }
 
-    if (inArray(state)) {
-      if (state.lastToken == 'end' && stream.match(/^:/)) {
-        return 'operator';
-      }
-      if (stream.match(/^end/)) {
-        return 'number';
-      }
+    // Handle type annotations
+    if (stream.match(/^::(?![:\$])/)) {
+      state.tokenize = tokenAnnotation;
+      return state.tokenize(stream, state);
     }
 
-    if (stream.match(/^=>/)) {
-      return 'operator';
+    // Handle symbols
+    if (!leavingExpr && stream.match(symbol) ||
+        stream.match(/:([<>]:|<<=?|>>>?=?|->|\/\/|\.{2,3}|[\.\\%*+\-<>!\/^|&]=?|[~\?\$])/)) {
+      return "builtin";
+    }
+
+    // Handle parametric types
+    //if (stream.match(/^{[^}]*}(?=\()/)) {
+    //  return "builtin";
+    //}
+
+    // Handle operators and Delimiters
+    if (stream.match(operators)) {
+      return "operator";
     }
 
     // Handle Number Literals
-    if (stream.match(/^[0-9\.]/, false)) {
+    if (stream.match(/^\.?\d/, false)) {
       var imMatcher = RegExp(/^im\b/);
-      var floatLiteral = false;
+      var numberLiteral = false;
       // Floats
-      if (stream.match(/^\d*\.(?!\.)\d+([ef][\+\-]?\d+)?/i)) { floatLiteral = true; }
-      if (stream.match(/^\d+\.(?!\.)\d*/)) { floatLiteral = true; }
-      if (stream.match(/^\.\d+/)) { floatLiteral = true; }
-      if (stream.match(/^0x\.[0-9a-f]+p[\+\-]?\d+/i)) { floatLiteral = true; }
-      if (floatLiteral) {
-          // Float literals may be "imaginary"
-          stream.match(imMatcher);
-          state.leavingExpr = true;
-          return 'number';
-      }
+      if (stream.match(/^(?:(?:\d[_\d]*)?\.(?!\.)(?:\d[_\d]*)?|\d[_\d]*\.(?!\.)(?:\d[_\d]*))?([Eef][\+\-]?[_\d]+)?/i)) { numberLiteral = true; }
+      if (stream.match(/^0x\.[0-9a-f_]+p[\+\-]?[_\d]+/i)) { numberLiteral = true; }
       // Integers
-      var intLiteral = false;
-      // Hex
-      if (stream.match(/^0x[0-9a-f]+/i)) { intLiteral = true; }
-      // Binary
-      if (stream.match(/^0b[01]+/i)) { intLiteral = true; }
-      // Octal
-      if (stream.match(/^0o[0-7]+/i)) { intLiteral = true; }
-      // Decimal
-      if (stream.match(/^[1-9]\d*(e[\+\-]?\d+)?/)) {
-          intLiteral = true;
-      }
+      if (stream.match(/^0x[0-9a-f_]+/i)) { numberLiteral = true; } // Hex
+      if (stream.match(/^0b[01_]+/i)) { numberLiteral = true; } // Binary
+      if (stream.match(/^0o[0-7_]+/i)) { numberLiteral = true; } // Octal
+      if (stream.match(/^[1-9][_\d]*(e[\+\-]?\d+)?/)) { numberLiteral = true; } // Decimal
       // Zero by itself with no other piece of number.
-      if (stream.match(/^0(?![\dx])/i)) { intLiteral = true; }
-      if (intLiteral) {
+      if (stream.match(/^0(?![\dx])/i)) { numberLiteral = true; }
+      if (numberLiteral) {
           // Integer literals may be "long"
           stream.match(imMatcher);
           state.leavingExpr = true;
-          return 'number';
+          return "number";
       }
     }
 
-    if (stream.match(/^<:/)) {
-      return 'operator';
-    }
-
-    if (stream.match(typeAnnotation)) {
-      return 'builtin';
-    }
-
-    // Handle symbols
-    if (!leavingExpr && stream.match(symbol) || stream.match(/:\./)) {
-      return 'builtin';
-    }
-
-    // Handle parametric types
-    if (stream.match(/^{[^}]*}(?=\()/)) {
-      return 'builtin';
-    }
-
-    // Handle operators and Delimiters
-    if (stream.match(operators)) {
-      return 'operator';
+    // Handle Chars
+    if (stream.match(/^'/)) {
+      state.tokenize = tokenChar;
+      return state.tokenize(stream, state);
     }
 
     // Handle Strings
@@ -201,7 +217,7 b' CodeMirror.defineMode("julia", function('
     }
 
     if (stream.match(macro)) {
-      return 'meta';
+      return "meta";
     }
 
     if (stream.match(delimiters)) {
@@ -209,41 +225,40 b' CodeMirror.defineMode("julia", function('
     }
 
     if (stream.match(keywords)) {
-      return 'keyword';
+      return "keyword";
     }
 
     if (stream.match(builtins)) {
-      return 'builtin';
+      return "builtin";
     }
 
-    var isDefinition = state.isDefinition ||
-                       state.lastToken == 'function' ||
-                       state.lastToken == 'macro' ||
-                       state.lastToken == 'type' ||
-                       state.lastToken == 'immutable';
+    var isDefinition = state.isDefinition || state.lastToken == "function" ||
+                       state.lastToken == "macro" || state.lastToken == "type" ||
+                       state.lastToken == "struct" || state.lastToken == "immutable";
 
     if (stream.match(identifiers)) {
       if (isDefinition) {
         if (stream.peek() === '.') {
           state.isDefinition = true;
-          return 'variable';
+          return "variable";
         }
         state.isDefinition = false;
-        return 'def';
+        return "def";
       }
       if (stream.match(/^({[^}]*})*\(/, false)) {
-        return callOrDef(stream, state);
+        state.tokenize = tokenCallOrDef;
+        return state.tokenize(stream, state);
       }
       state.leavingExpr = true;
-      return 'variable';
+      return "variable";
     }
 
     // Handle non-detected items
     stream.next();
-    return ERRORCLASS;
+    return "error";
   }
 
-  function callOrDef(stream, state) {
+  function tokenCallOrDef(stream, state) {
     var match = stream.match(/^(\(\s*)/);
     if (match) {
       if (state.firstParenPos < 0)
@@ -255,13 +270,14 b' CodeMirror.defineMode("julia", function('
       state.scopes.pop();
       state.charsAdvanced += 1;
       if (state.scopes.length <= state.firstParenPos) {
-        var isDefinition = stream.match(/^\s*?=(?!=)/, false);
+        var isDefinition = stream.match(/^(\s*where\s+[^\s=]+)*\s*?=(?!=)/, false);
         stream.backUp(state.charsAdvanced);
         state.firstParenPos = -1;
         state.charsAdvanced = 0;
+        state.tokenize = tokenBase;
         if (isDefinition)
-          return 'def';
-        return 'builtin';
+          return "def";
+        return "builtin";
       }
     }
     // Unfortunately javascript does not support multiline strings, so we have
@@ -269,48 +285,93 b' CodeMirror.defineMode("julia", function('
     // over two or more lines.
     if (stream.match(/^$/g, false)) {
       stream.backUp(state.charsAdvanced);
-      while (state.scopes.length > state.firstParenPos + 1)
+      while (state.scopes.length > state.firstParenPos)
         state.scopes.pop();
       state.firstParenPos = -1;
       state.charsAdvanced = 0;
-      return 'builtin';
+      state.tokenize = tokenBase;
+      return "builtin";
     }
     state.charsAdvanced += stream.match(/^([^()]*)/)[1].length;
-    return callOrDef(stream, state);
+    return state.tokenize(stream, state);
+  }
+
+  function tokenAnnotation(stream, state) {
+    stream.match(/.*?(?=,|;|{|}|\(|\)|=|$|\s)/);
+    if (stream.match(/^{/)) {
+      state.nestedParameters++;
+    } else if (stream.match(/^}/) && state.nestedParameters > 0) {
+      state.nestedParameters--;
+    }
+    if (state.nestedParameters > 0) {
+      stream.match(/.*?(?={|})/) || stream.next();
+    } else if (state.nestedParameters == 0) {
+      state.tokenize = tokenBase;
+    }
+    return "builtin";
+  }
+
+  function tokenComment(stream, state) {
+    if (stream.match(/^#=/)) {
+      state.nestedComments++;
+    }
+    if (!stream.match(/.*?(?=(#=|=#))/)) {
+      stream.skipToEnd();
+    }
+    if (stream.match(/^=#/)) {
+      state.nestedComments--;
+      if (state.nestedComments == 0)
+        state.tokenize = tokenBase;
+    }
+    return "comment";
+  }
+
+  function tokenChar(stream, state) {
+    var isChar = false, match;
+    if (stream.match(chars)) {
+      isChar = true;
+    } else if (match = stream.match(/\\u([a-f0-9]{1,4})(?=')/i)) {
+      var value = parseInt(match[1], 16);
+      if (value <= 55295 || value >= 57344) { // (U+0,U+D7FF), (U+E000,U+FFFF)
+        isChar = true;
+        stream.next();
+      }
+    } else if (match = stream.match(/\\U([A-Fa-f0-9]{5,8})(?=')/)) {
+      var value = parseInt(match[1], 16);
+      if (value <= 1114111) { // U+10FFFF
+        isChar = true;
+        stream.next();
+      }
+    }
+    if (isChar) {
+      state.leavingExpr = true;
+      state.tokenize = tokenBase;
+      return "string";
+    }
+    if (!stream.match(/^[^']+(?=')/)) { stream.skipToEnd(); }
+    if (stream.match(/^'/)) { state.tokenize = tokenBase; }
+    return "error";
   }
 
   function tokenStringFactory(delimiter) {
-    while ('bruv'.indexOf(delimiter.charAt(0).toLowerCase()) >= 0) {
-      delimiter = delimiter.substr(1);
+    if (delimiter.substr(-3) === '"""') {
+      delimiter = '"""';
+    } else if (delimiter.substr(-1) === '"') {
+      delimiter = '"';
     }
-    var singleline = delimiter == "'";
-    var OUTCLASS = 'string';
-
     function tokenString(stream, state) {
-      while (!stream.eol()) {
-        stream.eatWhile(/[^'"\\]/);
-        if (stream.eat('\\')) {
-            stream.next();
-            if (singleline && stream.eol()) {
-              return OUTCLASS;
-            }
-        } else if (stream.match(delimiter)) {
-            state.tokenize = tokenBase;
-            return OUTCLASS;
-        } else {
-            stream.eat(/['"]/);
-        }
+      if (stream.eat('\\')) {
+        stream.next();
+      } else if (stream.match(delimiter)) {
+        state.tokenize = tokenBase;
+        state.leavingExpr = true;
+        return "string";
+      } else {
+        stream.eat(/[`"]/);
       }
-      if (singleline) {
-        if (parserConf.singleLineStringErrors) {
-            return ERRORCLASS;
-        } else {
-            state.tokenize = tokenBase;
-        }
-      }
-      return OUTCLASS;
+      stream.eatWhile(/[^\\`"]/);
+      return "string";
     }
-    tokenString.isString = true;
     return tokenString;
   }
 
@@ -322,6 +383,10 b' CodeMirror.defineMode("julia", function('
         lastToken: null,
         leavingExpr: false,
         isDefinition: false,
+        nestedArrays: 0,
+        nestedComments: 0,
+        nestedGenerators: 0,
+        nestedParameters: 0,
         charsAdvanced: 0,
         firstParenPos: -1
       };
@@ -335,25 +400,25 b' CodeMirror.defineMode("julia", function('
         state.lastToken = current;
       }
 
-      // Handle '.' connected identifiers
-      if (current === '.') {
-        style = stream.match(identifiers, false) || stream.match(macro, false) ||
-                stream.match(/\(/, false) ? 'operator' : ERRORCLASS;
-      }
       return style;
     },
 
     indent: function(state, textAfter) {
       var delta = 0;
-      if (textAfter == "end" || textAfter == "]" || textAfter == "}" || textAfter == "else" || textAfter == "elseif" || textAfter == "catch" || textAfter == "finally") {
+      if ( textAfter === ']' || textAfter === ')' || textAfter === "end" ||
+           textAfter === "else" || textAfter === "catch" || textAfter === "elseif" ||
+           textAfter === "finally" ) {
         delta = -1;
       }
-      return (state.scopes.length + delta) * _conf.indentUnit;
+      return (state.scopes.length + delta) * config.indentUnit;
     },
 
+    electricInput: /\b(end|else|catch|finally)\b/,
+    blockCommentStart: "#=",
+    blockCommentEnd: "=#",
     lineComment: "#",
-    fold: "indent",
-    electricChars: "edlsifyh]}"
+    closeBrackets: "()[]{}\"\"",
+    fold: "indent"
   };
   return external;
 });

rhodecode/public/js/mode/livescript/livescript.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 /**
  * Link to the project's GitHub page:
@@ -50,7 +50,7 b''
       startState: function(){
         return {
           next: 'start',
-          lastToken: null
+          lastToken: {style: null, indent: 0, content: ""}
         };
       },
       token: function(stream, state){

rhodecode/public/js/mode/lua/lua.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 // LUA mode. Ported to CodeMirror 2 from Franciszek Wawrzak's
 // CodeMirror 1 mode.

rhodecode/public/js/mode/markdown/markdown.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -13,8 +13,8 b''
 
 CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
 
-  var htmlFound = CodeMirror.modes.hasOwnProperty("xml");
-  var htmlMode = CodeMirror.getMode(cmCfg, htmlFound ? {name: "xml", htmlMode: true} : "text/plain");
+  var htmlMode = CodeMirror.getMode(cmCfg, "text/html");
+  var htmlModeMissing = htmlMode.name == "null"
 
   function getMode(name) {
     if (CodeMirror.findModeByName) {
@@ -35,15 +35,6 b' CodeMirror.defineMode("markdown", functi'
   if (modeCfg.maxBlockquoteDepth === undefined)
     modeCfg.maxBlockquoteDepth = 0;
 
-  // Should underscores in words open/close em/strong?
-  if (modeCfg.underscoresBreakWords === undefined)
-    modeCfg.underscoresBreakWords = true;
-
-  // Use `fencedCodeBlocks` to configure fenced code blocks. false to
-  // disable, string to specify a precise regexp that the fence should
-  // match, and true to allow three or more backticks or tildes (as
-  // per CommonMark).
-
   // Turn on task lists? ("- [ ] " and "- [x] ")
   if (modeCfg.taskLists === undefined) modeCfg.taskLists = false;
 
@@ -51,12 +42,19 b' CodeMirror.defineMode("markdown", functi'
   if (modeCfg.strikethrough === undefined)
     modeCfg.strikethrough = false;
 
+  if (modeCfg.emoji === undefined)
+    modeCfg.emoji = false;
+
+  if (modeCfg.fencedCodeBlockHighlighting === undefined)
+    modeCfg.fencedCodeBlockHighlighting = true;
+
+  if (modeCfg.xml === undefined)
+    modeCfg.xml = true;
+
   // Allow token types to be overridden by user-provided token types.
   if (modeCfg.tokenTypeOverrides === undefined)
     modeCfg.tokenTypeOverrides = {};
 
-  var codeDepth = 0;
-
   var tokenTypes = {
     header: "header",
     code: "comment",
@@ -65,7 +63,9 b' CodeMirror.defineMode("markdown", functi'
     list2: "variable-3",
     list3: "keyword",
     hr: "hr",
-    image: "tag",
+    image: "image",
+    imageAltText: "image-alt-text",
+    imageMarker: "image-marker",
     formatting: "formatting",
     linkInline: "link",
     linkEmail: "link",
@@ -73,7 +73,8 b' CodeMirror.defineMode("markdown", functi'
     linkHref: "string",
     em: "em",
     strong: "strong",
-    strikethrough: "strikethrough"
+    strikethrough: "strikethrough",
+    emoji: "builtin"
   };
 
   for (var tokenType in tokenTypes) {
@@ -83,14 +84,15 b' CodeMirror.defineMode("markdown", functi'
   }
 
   var hrRE = /^([*\-_])(?:\s*\1){2,}\s*$/
-  ,   ulRE = /^[*\-+]\s+/
-  ,   olRE = /^[0-9]+([.)])\s+/
-  ,   taskListRE = /^\[(x| )\](?=\s)/ // Must follow ulRE or olRE
+  ,   listRE = /^(?:[*\-+]|^[0-9]+([.)]))\s+/
+  ,   taskListRE = /^\[(x| )\](?=\s)/i // Must follow listRE
   ,   atxHeaderRE = modeCfg.allowAtxHeaderWithoutSpace ? /^(#+)/ : /^(#+)(?: |$)/
   ,   setextHeaderRE = /^ *(?:\={1,}|-{1,})\s*$/
-  ,   textRE = /^[^#!\[\]*_\\<>` "'(~]+/
-  ,   fencedCodeRE = new RegExp("^(" + (modeCfg.fencedCodeBlocks === true ? "~~~+|```+" : modeCfg.fencedCodeBlocks) +
-                                ")[ \\t]*([\\w+#]*)");
+  ,   textRE = /^[^#!\[\]*_\\<>` "'(~:]+/
+  ,   fencedCodeRE = /^(~~~+|```+)[ \t]*([\w+#-]*)[^\n`]*$/
+  ,   linkDefRE = /^\s*\[[^\]]+?\]:.*$/ // naive link-definition
+  ,   punctuation = /[!"#$%&'()*+,\-.\/:;<=>?@\[\\\]^_`{|}~\xA1\xA7\xAB\xB6\xB7\xBB\xBF\u037E\u0387\u055A-\u055F\u0589\u058A\u05BE\u05C0\u05C3\u05C6\u05F3\u05F4\u0609\u060A\u060C\u060D\u061B\u061E\u061F\u066A-\u066D\u06D4\u0700-\u070D\u07F7-\u07F9\u0830-\u083E\u085E\u0964\u0965\u0970\u0AF0\u0DF4\u0E4F\u0E5A\u0E5B\u0F04-\u0F12\u0F14\u0F3A-\u0F3D\u0F85\u0FD0-\u0FD4\u0FD9\u0FDA\u104A-\u104F\u10FB\u1360-\u1368\u1400\u166D\u166E\u169B\u169C\u16EB-\u16ED\u1735\u1736\u17D4-\u17D6\u17D8-\u17DA\u1800-\u180A\u1944\u1945\u1A1E\u1A1F\u1AA0-\u1AA6\u1AA8-\u1AAD\u1B5A-\u1B60\u1BFC-\u1BFF\u1C3B-\u1C3F\u1C7E\u1C7F\u1CC0-\u1CC7\u1CD3\u2010-\u2027\u2030-\u2043\u2045-\u2051\u2053-\u205E\u207D\u207E\u208D\u208E\u2308-\u230B\u2329\u232A\u2768-\u2775\u27C5\u27C6\u27E6-\u27EF\u2983-\u2998\u29D8-\u29DB\u29FC\u29FD\u2CF9-\u2CFC\u2CFE\u2CFF\u2D70\u2E00-\u2E2E\u2E30-\u2E42\u3001-\u3003\u3008-\u3011\u3014-\u301F\u3030\u303D\u30A0\u30FB\uA4FE\uA4FF\uA60D-\uA60F\uA673\uA67E\uA6F2-\uA6F7\uA874-\uA877\uA8CE\uA8CF\uA8F8-\uA8FA\uA8FC\uA92E\uA92F\uA95F\uA9C1-\uA9CD\uA9DE\uA9DF\uAA5C-\uAA5F\uAADE\uAADF\uAAF0\uAAF1\uABEB\uFD3E\uFD3F\uFE10-\uFE19\uFE30-\uFE52\uFE54-\uFE61\uFE63\uFE68\uFE6A\uFE6B\uFF01-\uFF03\uFF05-\uFF0A\uFF0C-\uFF0F\uFF1A\uFF1B\uFF1F\uFF20\uFF3B-\uFF3D\uFF3F\uFF5B\uFF5D\uFF5F-\uFF65]|\uD800[\uDD00-\uDD02\uDF9F\uDFD0]|\uD801\uDD6F|\uD802[\uDC57\uDD1F\uDD3F\uDE50-\uDE58\uDE7F\uDEF0-\uDEF6\uDF39-\uDF3F\uDF99-\uDF9C]|\uD804[\uDC47-\uDC4D\uDCBB\uDCBC\uDCBE-\uDCC1\uDD40-\uDD43\uDD74\uDD75\uDDC5-\uDDC9\uDDCD\uDDDB\uDDDD-\uDDDF\uDE38-\uDE3D\uDEA9]|\uD805[\uDCC6\uDDC1-\uDDD7\uDE41-\uDE43\uDF3C-\uDF3E]|\uD809[\uDC70-\uDC74]|\uD81A[\uDE6E\uDE6F\uDEF5\uDF37-\uDF3B\uDF44]|\uD82F\uDC9F|\uD836[\uDE87-\uDE8B]/
+  ,   expandedTab = "    " // CommonMark specifies tab as 4 spaces
 
   function switchInline(stream, state, f) {
     state.f = state.inline = f;
@@ -111,6 +113,8 b' CodeMirror.defineMode("markdown", functi'
   function blankLine(state) {
     // Reset linkTitle state
     state.linkTitle = false;
+    state.linkHref = false;
+    state.linkText = false;
     // Reset EM state
     state.em = false;
     // Reset STRONG state
@@ -121,102 +125,154 b' CodeMirror.defineMode("markdown", functi'
     state.quote = 0;
     // Reset state.indentedCode
     state.indentedCode = false;
-    if (!htmlFound && state.f == htmlBlock) {
-      state.f = inlineNormal;
-      state.block = blockNormal;
+    if (state.f == htmlBlock) {
+      var exit = htmlModeMissing
+      if (!exit) {
+        var inner = CodeMirror.innerMode(htmlMode, state.htmlState)
+        exit = inner.mode.name == "xml" && inner.state.tagStart === null &&
+          (!inner.state.context && inner.state.tokenize.isInText)
+      }
+      if (exit) {
+        state.f = inlineNormal;
+        state.block = blockNormal;
+        state.htmlState = null;
+      }
     }
     // Reset state.trailingSpace
     state.trailingSpace = 0;
     state.trailingSpaceNewLine = false;
     // Mark this line as blank
     state.prevLine = state.thisLine
-    state.thisLine = null
+    state.thisLine = {stream: null}
     return null;
   }
 
   function blockNormal(stream, state) {
-
-    var sol = stream.sol();
-
-    var prevLineIsList = state.list !== false,
-        prevLineIsIndentedCode = state.indentedCode;
+    var firstTokenOnLine = stream.column() === state.indentation;
+    var prevLineLineIsEmpty = lineIsEmpty(state.prevLine.stream);
+    var prevLineIsIndentedCode = state.indentedCode;
+    var prevLineIsHr = state.prevLine.hr;
+    var prevLineIsList = state.list !== false;
+    var maxNonCodeIndentation = (state.listStack[state.listStack.length - 1] || 0) + 3;
 
     state.indentedCode = false;
 
-    if (prevLineIsList) {
-      if (state.indentationDiff >= 0) { // Continued list
-        if (state.indentationDiff < 4) { // Only adjust indentation if *not* a code block
-          state.indentation -= state.indentationDiff;
-        }
+    var lineIndentation = state.indentation;
+    // compute once per line (on first token)
+    if (state.indentationDiff === null) {
+      state.indentationDiff = state.indentation;
+      if (prevLineIsList) {
         state.list = null;
-      } else if (state.indentation > 0) {
-        state.list = null;
-        state.listDepth = Math.floor(state.indentation / 4);
-      } else { // No longer a list
-        state.list = false;
-        state.listDepth = 0;
+        // While this list item's marker's indentation is less than the deepest
+        //  list item's content's indentation,pop the deepest list item
+        //  indentation off the stack, and update block indentation state
+        while (lineIndentation < state.listStack[state.listStack.length - 1]) {
+          state.listStack.pop();
+          if (state.listStack.length) {
+            state.indentation = state.listStack[state.listStack.length - 1];
+          // less than the first list's indent -> the line is no longer a list
+          } else {
+            state.list = false;
+          }
+        }
+        if (state.list !== false) {
+          state.indentationDiff = lineIndentation - state.listStack[state.listStack.length - 1]
+        }
       }
     }
 
+    // not comprehensive (currently only for setext detection purposes)
+    var allowsInlineContinuation = (
+        !prevLineLineIsEmpty && !prevLineIsHr && !state.prevLine.header &&
+        (!prevLineIsList || !prevLineIsIndentedCode) &&
+        !state.prevLine.fencedCodeEnd
+    );
+
+    var isHr = (state.list === false || prevLineIsHr || prevLineLineIsEmpty) &&
+      state.indentation <= maxNonCodeIndentation && stream.match(hrRE);
+
     var match = null;
-    if (state.indentationDiff >= 4) {
+    if (state.indentationDiff >= 4 && (prevLineIsIndentedCode || state.prevLine.fencedCodeEnd ||
+         state.prevLine.header || prevLineLineIsEmpty)) {
       stream.skipToEnd();
-      if (prevLineIsIndentedCode || lineIsEmpty(state.prevLine)) {
-        state.indentation -= 4;
-        state.indentedCode = true;
-        return tokenTypes.code;
-      } else {
-        return null;
-      }
+      state.indentedCode = true;
+      return tokenTypes.code;
     } else if (stream.eatSpace()) {
       return null;
-    } else if ((match = stream.match(atxHeaderRE)) && match[1].length <= 6) {
+    } else if (firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(atxHeaderRE)) && match[1].length <= 6) {
+      state.quote = 0;
       state.header = match[1].length;
+      state.thisLine.header = true;
       if (modeCfg.highlightFormatting) state.formatting = "header";
       state.f = state.inline;
       return getType(state);
-    } else if (!lineIsEmpty(state.prevLine) && !state.quote && !prevLineIsList &&
-               !prevLineIsIndentedCode && (match = stream.match(setextHeaderRE))) {
-      state.header = match[0].charAt(0) == '=' ? 1 : 2;
-      if (modeCfg.highlightFormatting) state.formatting = "header";
-      state.f = state.inline;
-      return getType(state);
-    } else if (stream.eat('>')) {
-      state.quote = sol ? 1 : state.quote + 1;
+    } else if (state.indentation <= maxNonCodeIndentation && stream.eat('>')) {
+      state.quote = firstTokenOnLine ? 1 : state.quote + 1;
       if (modeCfg.highlightFormatting) state.formatting = "quote";
       stream.eatSpace();
       return getType(state);
-    } else if (stream.peek() === '[') {
-      return switchInline(stream, state, footnoteLink);
-    } else if (stream.match(hrRE, true)) {
-      state.hr = true;
-      return tokenTypes.hr;
-    } else if ((lineIsEmpty(state.prevLine) || prevLineIsList) && (stream.match(ulRE, false) || stream.match(olRE, false))) {
-      var listType = null;
-      if (stream.match(ulRE, true)) {
-        listType = 'ul';
-      } else {
-        stream.match(olRE, true);
-        listType = 'ol';
-      }
-      state.indentation = stream.column() + stream.current().length;
+    } else if (!isHr && !state.setext && firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(listRE))) {
+      var listType = match[1] ? "ol" : "ul";
+
+      state.indentation = lineIndentation + stream.current().length;
       state.list = true;
-      state.listDepth++;
+      state.quote = 0;
+
+      // Add this list item's content's indentation to the stack
+      state.listStack.push(state.indentation);
+      // Reset inline styles which shouldn't propagate aross list items
+      state.em = false;
+      state.strong = false;
+      state.code = false;
+      state.strikethrough = false;
+
       if (modeCfg.taskLists && stream.match(taskListRE, false)) {
         state.taskList = true;
       }
       state.f = state.inline;
       if (modeCfg.highlightFormatting) state.formatting = ["list", "list-" + listType];
       return getType(state);
-    } else if (modeCfg.fencedCodeBlocks && (match = stream.match(fencedCodeRE, true))) {
-      state.fencedChars = match[1]
+    } else if (firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(fencedCodeRE, true))) {
+      state.quote = 0;
+      state.fencedEndRE = new RegExp(match[1] + "+ *$");
       // try switching mode
-      state.localMode = getMode(match[2]);
-      if (state.localMode) state.localState = state.localMode.startState();
+      state.localMode = modeCfg.fencedCodeBlockHighlighting && getMode(match[2]);
+      if (state.localMode) state.localState = CodeMirror.startState(state.localMode);
       state.f = state.block = local;
       if (modeCfg.highlightFormatting) state.formatting = "code-block";
-      state.code = true;
+      state.code = -1
       return getType(state);
+    // SETEXT has lowest block-scope precedence after HR, so check it after
+    //  the others (code, blockquote, list...)
+    } else if (
+      // if setext set, indicates line after ---/===
+      state.setext || (
+        // line before ---/===
+        (!allowsInlineContinuation || !prevLineIsList) && !state.quote && state.list === false &&
+        !state.code && !isHr && !linkDefRE.test(stream.string) &&
+        (match = stream.lookAhead(1)) && (match = match.match(setextHeaderRE))
+      )
+    ) {
+      if ( !state.setext ) {
+        state.header = match[0].charAt(0) == '=' ? 1 : 2;
+        state.setext = state.header;
+      } else {
+        state.header = state.setext;
+        // has no effect on type so we can reset it now
+        state.setext = 0;
+        stream.skipToEnd();
+        if (modeCfg.highlightFormatting) state.formatting = "header";
+      }
+      state.thisLine.header = true;
+      state.f = state.inline;
+      return getType(state);
+    } else if (isHr) {
+      stream.skipToEnd();
+      state.hr = true;
+      state.thisLine.hr = true;
+      return tokenTypes.hr;
+    } else if (stream.peek() === '[') {
+      return switchInline(stream, state, footnoteLink);
     }
 
     return switchInline(stream, state, state.inline);
@@ -224,21 +280,35 b' CodeMirror.defineMode("markdown", functi'
 
   function htmlBlock(stream, state) {
     var style = htmlMode.token(stream, state.htmlState);
-    if ((htmlFound && state.htmlState.tagStart === null &&
-         (!state.htmlState.context && state.htmlState.tokenize.isInText)) ||
-        (state.md_inside && stream.current().indexOf(">") > -1)) {
-      state.f = inlineNormal;
-      state.block = blockNormal;
-      state.htmlState = null;
+    if (!htmlModeMissing) {
+      var inner = CodeMirror.innerMode(htmlMode, state.htmlState)
+      if ((inner.mode.name == "xml" && inner.state.tagStart === null &&
+           (!inner.state.context && inner.state.tokenize.isInText)) ||
+          (state.md_inside && stream.current().indexOf(">") > -1)) {
+        state.f = inlineNormal;
+        state.block = blockNormal;
+        state.htmlState = null;
+      }
     }
     return style;
   }
 
   function local(stream, state) {
-    if (state.fencedChars && stream.match(state.fencedChars, false)) {
+    var currListInd = state.listStack[state.listStack.length - 1] || 0;
+    var hasExitedList = state.indentation < currListInd;
+    var maxFencedEndInd = currListInd + 3;
+    if (state.fencedEndRE && state.indentation <= maxFencedEndInd && (hasExitedList || stream.match(state.fencedEndRE))) {
+      if (modeCfg.highlightFormatting) state.formatting = "code-block";
+      var returnType;
+      if (!hasExitedList) returnType = getType(state)
       state.localMode = state.localState = null;
-      state.f = state.block = leavingLocal;
-      return null;
+      state.block = blockNormal;
+      state.f = inlineNormal;
+      state.fencedEndRE = null;
+      state.code = 0
+      state.thisLine.fencedCodeEnd = true;
+      if (hasExitedList) return switchBlock(stream, state, state.block);
+      return returnType;
     } else if (state.localMode) {
       return state.localMode.token(stream, state.localState);
     } else {
@@ -247,18 +317,6 b' CodeMirror.defineMode("markdown", functi'
     }
   }
 
-  function leavingLocal(stream, state) {
-    stream.match(state.fencedChars);
-    state.block = blockNormal;
-    state.f = inlineNormal;
-    state.fencedChars = null;
-    if (modeCfg.highlightFormatting) state.formatting = "code-block";
-    state.code = true;
-    var returnType = getType(state);
-    state.code = false;
-    return returnType;
-  }
-
   // Inline
   function getType(state) {
     var styles = [];
@@ -302,8 +360,12 b' CodeMirror.defineMode("markdown", functi'
       if (state.strong) { styles.push(tokenTypes.strong); }
       if (state.em) { styles.push(tokenTypes.em); }
       if (state.strikethrough) { styles.push(tokenTypes.strikethrough); }
+      if (state.emoji) { styles.push(tokenTypes.emoji); }
       if (state.linkText) { styles.push(tokenTypes.linkText); }
       if (state.code) { styles.push(tokenTypes.code); }
+      if (state.image) { styles.push(tokenTypes.image); }
+      if (state.imageAltText) { styles.push(tokenTypes.imageAltText, "link"); }
+      if (state.imageMarker) { styles.push(tokenTypes.imageMarker); }
     }
 
     if (state.header) { styles.push(tokenTypes.header, tokenTypes.header + "-" + state.header); }
@@ -320,7 +382,7 b' CodeMirror.defineMode("markdown", functi'
     }
 
     if (state.list !== false) {
-      var listMod = (state.listDepth - 1) % 3;
+      var listMod = (state.listStack.length - 1) % 3;
       if (!listMod) {
         styles.push(tokenTypes.list1);
       } else if (listMod === 1) {
@@ -357,7 +419,7 b' CodeMirror.defineMode("markdown", functi'
     }
 
     if (state.taskList) {
-      var taskOpen = stream.match(taskListRE, true)[1] !== "x";
+      var taskOpen = stream.match(taskListRE, true)[1] === " ";
       if (taskOpen) state.taskOpen = true;
       else state.taskClosed = true;
       if (modeCfg.highlightFormatting) state.formatting = "task";
@@ -373,20 +435,8 b' CodeMirror.defineMode("markdown", functi'
       return getType(state);
     }
 
-    // Get sol() value now, before character is consumed
-    var sol = stream.sol();
-
     var ch = stream.next();
 
-    if (ch === '\\') {
-      stream.next();
-      if (modeCfg.highlightFormatting) {
-        var type = getType(state);
-        var formattingEscape = tokenTypes.formatting + "-escape";
-        return type ? type + " " + formattingEscape : formattingEscape;
-      }
-    }
-
     // Matches link titles present on next line
     if (state.linkTitle) {
       state.linkTitle = false;
@@ -394,7 +444,7 b' CodeMirror.defineMode("markdown", functi'
       if (ch === '(') {
         matchCh = ')';
       }
-      matchCh = (matchCh+'').replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1");
+      matchCh = (matchCh+'').replace(/([.?*+^\[\]\\(){}|-])/g, "\\$1");
       var regex = '^\\s*(?:[^' + matchCh + '\\\\]+|\\\\\\\\|\\\\.)' + matchCh;
       if (stream.match(new RegExp(regex), true)) {
         return tokenTypes.linkHref;
@@ -405,43 +455,67 b' CodeMirror.defineMode("markdown", functi'
     if (ch === '`') {
       var previousFormatting = state.formatting;
       if (modeCfg.highlightFormatting) state.formatting = "code";
-      var t = getType(state);
-      var before = stream.pos;
       stream.eatWhile('`');
-      var difference = 1 + stream.pos - before;
-      if (!state.code) {
-        codeDepth = difference;
-        state.code = true;
-        return getType(state);
+      var count = stream.current().length
+      if (state.code == 0 && (!state.quote || count == 1)) {
+        state.code = count
+        return getType(state)
+      } else if (count == state.code) { // Must be exact
+        var t = getType(state)
+        state.code = 0
+        return t
       } else {
-        if (difference === codeDepth) { // Must be exact
-          state.code = false;
-          return t;
-        }
-        state.formatting = previousFormatting;
-        return getType(state);
+        state.formatting = previousFormatting
+        return getType(state)
       }
     } else if (state.code) {
       return getType(state);
     }
 
+    if (ch === '\\') {
+      stream.next();
+      if (modeCfg.highlightFormatting) {
+        var type = getType(state);
+        var formattingEscape = tokenTypes.formatting + "-escape";
+        return type ? type + " " + formattingEscape : formattingEscape;
+      }
+    }
+
     if (ch === '!' && stream.match(/\[[^\]]*\] ?(?:\(|\[)/, false)) {
-      stream.match(/\[[^\]]*\]/);
-      state.inline = state.f = linkHref;
-      return tokenTypes.image;
+      state.imageMarker = true;
+      state.image = true;
+      if (modeCfg.highlightFormatting) state.formatting = "image";
+      return getType(state);
     }
 
-    if (ch === '[' && stream.match(/.*\](\(.*\)| ?\[.*\])/, false)) {
+    if (ch === '[' && state.imageMarker && stream.match(/[^\]]*\](\(.*?\)| ?\[.*?\])/, false)) {
+      state.imageMarker = false;
+      state.imageAltText = true
+      if (modeCfg.highlightFormatting) state.formatting = "image";
+      return getType(state);
+    }
+
+    if (ch === ']' && state.imageAltText) {
+      if (modeCfg.highlightFormatting) state.formatting = "image";
+      var type = getType(state);
+      state.imageAltText = false;
+      state.image = false;
+      state.inline = state.f = linkHref;
+      return type;
+    }
+
+    if (ch === '[' && !state.image) {
+      if (state.linkText && stream.match(/^.*?\]/)) return getType(state)
       state.linkText = true;
       if (modeCfg.highlightFormatting) state.formatting = "link";
       return getType(state);
     }
 
-    if (ch === ']' && state.linkText && stream.match(/\(.*\)| ?\[.*\]/, false)) {
+    if (ch === ']' && state.linkText) {
       if (modeCfg.highlightFormatting) state.formatting = "link";
       var type = getType(state);
       state.linkText = false;
-      state.inline = state.f = linkHref;
+      state.inline = state.f = stream.match(/\(.*?\)| ?\[.*?\]/, false) ? linkHref : inlineNormal
       return type;
     }
 
@@ -469,7 +543,7 b' CodeMirror.defineMode("markdown", functi'
       return type + tokenTypes.linkEmail;
     }
 
-    if (ch === '<' && stream.match(/^(!--|\w)/, false)) {
+    if (modeCfg.xml && ch === '<' && stream.match(/^(!--|\?|!\[CDATA\[|[a-z][a-z0-9-]*(?:\s+[a-z_:.\-]+(?:\s*=\s*[^>]+)?)*\s*(?:>|$))/i, false)) {
       var end = stream.string.indexOf(">", stream.pos);
       if (end != -1) {
         var atts = stream.string.substring(stream.start, end);
@@ -480,44 +554,37 b' CodeMirror.defineMode("markdown", functi'
       return switchBlock(stream, state, htmlBlock);
     }
 
-    if (ch === '<' && stream.match(/^\/\w*?>/)) {
+    if (modeCfg.xml && ch === '<' && stream.match(/^\/\w*?>/)) {
       state.md_inside = false;
       return "tag";
-    }
-
-    var ignoreUnderscore = false;
-    if (!modeCfg.underscoresBreakWords) {
-      if (ch === '_' && stream.peek() !== '_' && stream.match(/(\w)/, false)) {
-        var prevPos = stream.pos - 2;
-        if (prevPos >= 0) {
-          var prevCh = stream.string.charAt(prevPos);
-          if (prevCh !== '_' && prevCh.match(/(\w)/, false)) {
-            ignoreUnderscore = true;
-          }
-        }
+    } else if (ch === "*" || ch === "_") {
+      var len = 1, before = stream.pos == 1 ? " " : stream.string.charAt(stream.pos - 2)
+      while (len < 3 && stream.eat(ch)) len++
+      var after = stream.peek() || " "
+      // See http://spec.commonmark.org/0.27/#emphasis-and-strong-emphasis
+      var leftFlanking = !/\s/.test(after) && (!punctuation.test(after) || /\s/.test(before) || punctuation.test(before))
+      var rightFlanking = !/\s/.test(before) && (!punctuation.test(before) || /\s/.test(after) || punctuation.test(after))
+      var setEm = null, setStrong = null
+      if (len % 2) { // Em
+        if (!state.em && leftFlanking && (ch === "*" || !rightFlanking || punctuation.test(before)))
+          setEm = true
+        else if (state.em == ch && rightFlanking && (ch === "*" || !leftFlanking || punctuation.test(after)))
+          setEm = false
       }
-    }
-    if (ch === '*' || (ch === '_' && !ignoreUnderscore)) {
-      if (sol && stream.peek() === ' ') {
-        // Do nothing, surrounded by newline and space
-      } else if (state.strong === ch && stream.eat(ch)) { // Remove STRONG
-        if (modeCfg.highlightFormatting) state.formatting = "strong";
-        var t = getType(state);
-        state.strong = false;
-        return t;
-      } else if (!state.strong && stream.eat(ch)) { // Add STRONG
-        state.strong = ch;
-        if (modeCfg.highlightFormatting) state.formatting = "strong";
-        return getType(state);
-      } else if (state.em === ch) { // Remove EM
-        if (modeCfg.highlightFormatting) state.formatting = "em";
-        var t = getType(state);
-        state.em = false;
-        return t;
-      } else if (!state.em) { // Add EM
-        state.em = ch;
-        if (modeCfg.highlightFormatting) state.formatting = "em";
-        return getType(state);
+      if (len > 1) { // Strong
+        if (!state.strong && leftFlanking && (ch === "*" || !rightFlanking || punctuation.test(before)))
+          setStrong = true
+        else if (state.strong == ch && rightFlanking && (ch === "*" || !leftFlanking || punctuation.test(after)))
+          setStrong = false
+      }
+      if (setStrong != null || setEm != null) {
+        if (modeCfg.highlightFormatting) state.formatting = setEm == null ? "strong" : setStrong == null ? "em" : "strong em"
+        if (setEm === true) state.em = ch
+        if (setStrong === true) state.strong = ch
+        var t = getType(state)
+        if (setEm === false) state.em = false
+        if (setStrong === false) state.strong = false
+        return t
       }
     } else if (ch === ' ') {
       if (stream.eat('*') || stream.eat('_')) { // Probably surrounded by spaces
@@ -552,8 +619,16 b' CodeMirror.defineMode("markdown", functi'
       }
     }
 
+    if (modeCfg.emoji && ch === ":" && stream.match(/^(?:[a-z_\d+][a-z_\d+-]*|\-[a-z_\d+][a-z_\d+-]*):/)) {
+      state.emoji = true;
+      if (modeCfg.highlightFormatting) state.formatting = "emoji";
+      var retType = getType(state);
+      state.emoji = false;
+      return retType;
+    }
+
     if (ch === ' ') {
-      if (stream.match(/ +$/, false)) {
+      if (stream.match(/^ +$/, false)) {
         state.trailingSpace++;
       } else if (state.trailingSpace) {
         state.trailingSpaceNewLine = true;
@@ -598,6 +673,11 b' CodeMirror.defineMode("markdown", functi'
     return 'error';
   }
 
+  var linkRE = {
+    ")": /^(?:[^\\\(\)]|\\.|\((?:[^\\\(\)]|\\.)*\))*?(?=\))/,
+    "]": /^(?:[^\\\[\]]|\\.|\[(?:[^\\\[\]]|\\.)*\])*?(?=\])/
+  }
+
   function getLinkHrefInside(endChar) {
     return function(stream, state) {
       var ch = stream.next();
@@ -610,10 +690,7 b' CodeMirror.defineMode("markdown", functi'
         return returnState;
       }
 
-      if (stream.match(inlineRE(endChar), true)) {
-        stream.backUp(1);
-      }
-
+      stream.match(linkRE[endChar])
       state.linkHref = true;
       return getType(state);
     };
@@ -661,25 +738,13 b' CodeMirror.defineMode("markdown", functi'
     return tokenTypes.linkHref + " url";
   }
 
-  var savedInlineRE = [];
-  function inlineRE(endChar) {
-    if (!savedInlineRE[endChar]) {
-      // Escape endChar for RegExp (taken from http://stackoverflow.com/a/494122/526741)
-      endChar = (endChar+'').replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1");
-      // Match any non-endChar, escaped character, as well as the closing
-      // endChar.
-      savedInlineRE[endChar] = new RegExp('^(?:[^\\\\]|\\\\.)*?(' + endChar + ')');
-    }
-    return savedInlineRE[endChar];
-  }
-
   var mode = {
     startState: function() {
       return {
         f: blockNormal,
 
-        prevLine: null,
-        thisLine: null,
+        prevLine: {stream: null},
+        thisLine: {stream: null},
 
         block: blockNormal,
         htmlState: null,
@@ -692,18 +757,21 b' CodeMirror.defineMode("markdown", functi'
         linkText: false,
         linkHref: false,
         linkTitle: false,
+        code: 0,
         em: false,
         strong: false,
         header: 0,
+        setext: 0,
         hr: false,
         taskList: false,
         list: false,
-        listDepth: 0,
+        listStack: [],
         quote: 0,
         trailingSpace: 0,
         trailingSpaceNewLine: false,
         strikethrough: false,
-        fencedChars: null
+        emoji: false,
+        fencedEndRE: null
       };
     },
 
@@ -724,22 +792,26 b' CodeMirror.defineMode("markdown", functi'
         inline: s.inline,
         text: s.text,
         formatting: false,
+        linkText: s.linkText,
         linkTitle: s.linkTitle,
+        linkHref: s.linkHref,
         code: s.code,
         em: s.em,
         strong: s.strong,
         strikethrough: s.strikethrough,
+        emoji: s.emoji,
         header: s.header,
+        setext: s.setext,
         hr: s.hr,
         taskList: s.taskList,
         list: s.list,
-        listDepth: s.listDepth,
+        listStack: s.listStack.slice(0),
         quote: s.quote,
         indentedCode: s.indentedCode,
         trailingSpace: s.trailingSpace,
         trailingSpaceNewLine: s.trailingSpaceNewLine,
         md_inside: s.md_inside,
-        fencedChars: s.fencedChars
+        fencedEndRE: s.fencedEndRE
       };
     },
 
@@ -748,21 +820,17 b' CodeMirror.defineMode("markdown", functi'
       // Reset state.formatting
       state.formatting = false;
 
-      if (stream != state.thisLine) {
-        var forceBlankLine = state.header || state.hr;
-
-        // Reset state.header and state.hr
+      if (stream != state.thisLine.stream) {
         state.header = 0;
         state.hr = false;
 
-        if (stream.match(/^\s*$/, true) || forceBlankLine) {
+        if (stream.match(/^\s*$/, true)) {
           blankLine(state);
-          if (!forceBlankLine) return null
-          state.prevLine = null
+          return null;
         }
 
         state.prevLine = state.thisLine
-        state.thisLine = stream
+        state.thisLine = {stream: stream}
 
         // Reset state.taskList
         state.taskList = false;
@@ -771,14 +839,15 b' CodeMirror.defineMode("markdown", functi'
         state.trailingSpace = 0;
         state.trailingSpaceNewLine = false;
 
-        state.f = state.block;
-        var indentation = stream.match(/^\s*/, true)[0].replace(/\t/g, '    ').length;
-        var difference = Math.floor((indentation - state.indentation) / 4) * 4;
-        if (difference > 4) difference = 4;
-        var adjustedIndentation = state.indentation + difference;
-        state.indentationDiff = adjustedIndentation - state.indentation;
-        state.indentation = adjustedIndentation;
-        if (indentation > 0) return null;
+        if (!state.localState) {
+          state.f = state.block;
+          if (state.f != htmlBlock) {
+            var indentation = stream.match(/^\s*/, true)[0].replace(/\t/g, expandedTab).length;
+            state.indentation = indentation;
+            state.indentationDiff = null;
+            if (indentation > 0) return null;
+          }
+        }
       }
       return state.f(stream, state);
     },
@@ -789,15 +858,26 b' CodeMirror.defineMode("markdown", functi'
       return {state: state, mode: mode};
     },
 
+    indent: function(state, textAfter, line) {
+      if (state.block == htmlBlock && htmlMode.indent) return htmlMode.indent(state.htmlState, textAfter, line)
+      if (state.localState && state.localMode.indent) return state.localMode.indent(state.localState, textAfter, line)
+      return CodeMirror.Pass
+    },
+
     blankLine: blankLine,
 
     getType: getType,
 
+    blockCommentStart: "<!--",
+    blockCommentEnd: "-->",
+    closeBrackets: "()[]{}''\"\"``",
     fold: "markdown"
   };
   return mode;
 }, "xml");
 
+CodeMirror.defineMIME("text/markdown", "markdown");
+
 CodeMirror.defineMIME("text/x-markdown", "markdown");
 
 });

rhodecode/public/js/mode/mathematica/mathematica.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 // Mathematica mode copyright (c) 2015 by Calin Barbat
 // Based on code by Patrick Scheibe (halirutan)
@@ -71,12 +71,12 b" CodeMirror.defineMode('mathematica', fun"
     }
 
     // usage
-    if (stream.match(/([a-zA-Z\$]+(?:`?[a-zA-Z0-9\$])*::usage)/, true, false)) {
+    if (stream.match(/([a-zA-Z\$][a-zA-Z0-9\$]*(?:`[a-zA-Z0-9\$]+)*::usage)/, true, false)) {
       return 'meta';
     }
 
     // message
-    if (stream.match(/([a-zA-Z\$]+(?:`?[a-zA-Z0-9\$])*::[a-zA-Z\$][a-zA-Z0-9\$]*):?/, true, false)) {
+    if (stream.match(/([a-zA-Z\$][a-zA-Z0-9\$]*(?:`[a-zA-Z0-9\$]+)*::[a-zA-Z\$][a-zA-Z0-9\$]*):?/, true, false)) {
       return 'string-2';
     }
 
@@ -126,6 +126,7 b" CodeMirror.defineMode('mathematica', fun"
     }
 
     // everything else is an error
+    stream.next(); // advance the stream.
     return 'error';
   }
 

rhodecode/public/js/mode/meta.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -13,19 +13,19 b''
 
   CodeMirror.modeInfo = [
     {name: "APL", mime: "text/apl", mode: "apl", ext: ["dyalog", "apl"]},
-    {name: "PGP", mimes: ["application/pgp", "application/pgp-keys", "application/pgp-signature"], mode: "asciiarmor", ext: ["pgp"]},
+    {name: "PGP", mimes: ["application/pgp", "application/pgp-encrypted", "application/pgp-keys", "application/pgp-signature"], mode: "asciiarmor", ext: ["asc", "pgp", "sig"]},
     {name: "ASN.1", mime: "text/x-ttcn-asn", mode: "asn.1", ext: ["asn", "asn1"]},
     {name: "Asterisk", mime: "text/x-asterisk", mode: "asterisk", file: /^extensions\.conf$/i},
     {name: "Brainfuck", mime: "text/x-brainfuck", mode: "brainfuck", ext: ["b", "bf"]},
-    {name: "C", mime: "text/x-csrc", mode: "clike", ext: ["c", "h"]},
+    {name: "C", mime: "text/x-csrc", mode: "clike", ext: ["c", "h", "ino"]},
     {name: "C++", mime: "text/x-c++src", mode: "clike", ext: ["cpp", "c++", "cc", "cxx", "hpp", "h++", "hh", "hxx"], alias: ["cpp"]},
     {name: "Cobol", mime: "text/x-cobol", mode: "cobol", ext: ["cob", "cpy"]},
-    {name: "C#", mime: "text/x-csharp", mode: "clike", ext: ["cs"], alias: ["csharp"]},
-    {name: "Clojure", mime: "text/x-clojure", mode: "clojure", ext: ["clj"]},
+    {name: "C#", mime: "text/x-csharp", mode: "clike", ext: ["cs"], alias: ["csharp", "cs"]},
+    {name: "Clojure", mime: "text/x-clojure", mode: "clojure", ext: ["clj", "cljc", "cljx"]},
     {name: "ClojureScript", mime: "text/x-clojurescript", mode: "clojure", ext: ["cljs"]},
     {name: "Closure Stylesheets (GSS)", mime: "text/x-gss", mode: "css", ext: ["gss"]},
     {name: "CMake", mime: "text/x-cmake", mode: "cmake", ext: ["cmake", "cmake.in"], file: /^CMakeLists.txt$/},
-    {name: "CoffeeScript", mime: "text/x-coffeescript", mode: "coffeescript", ext: ["coffee"], alias: ["coffee", "coffee-script"]},
+    {name: "CoffeeScript", mimes: ["application/vnd.coffeescript", "text/coffeescript", "text/x-coffeescript"], mode: "coffeescript", ext: ["coffee"], alias: ["coffee", "coffee-script"]},
     {name: "Common Lisp", mime: "text/x-common-lisp", mode: "commonlisp", ext: ["cl", "lisp", "el"], alias: ["lisp"]},
     {name: "Cypher", mime: "application/x-cypher-query", mode: "cypher", ext: ["cyp", "cypher"]},
     {name: "Cython", mime: "text/x-cython", mode: "python", ext: ["pyx", "pxd", "pxi"]},
@@ -41,30 +41,33 b''
     {name: "Dylan", mime: "text/x-dylan", mode: "dylan", ext: ["dylan", "dyl", "intr"]},
     {name: "EBNF", mime: "text/x-ebnf", mode: "ebnf"},
     {name: "ECL", mime: "text/x-ecl", mode: "ecl", ext: ["ecl"]},
+    {name: "edn", mime: "application/edn", mode: "clojure", ext: ["edn"]},
     {name: "Eiffel", mime: "text/x-eiffel", mode: "eiffel", ext: ["e"]},
     {name: "Elm", mime: "text/x-elm", mode: "elm", ext: ["elm"]},
     {name: "Embedded Javascript", mime: "application/x-ejs", mode: "htmlembedded", ext: ["ejs"]},
     {name: "Embedded Ruby", mime: "application/x-erb", mode: "htmlembedded", ext: ["erb"]},
     {name: "Erlang", mime: "text/x-erlang", mode: "erlang", ext: ["erl"]},
+    {name: "Esper", mime: "text/x-esper", mode: "sql"},
     {name: "Factor", mime: "text/x-factor", mode: "factor", ext: ["factor"]},
+    {name: "FCL", mime: "text/x-fcl", mode: "fcl"},
     {name: "Forth", mime: "text/x-forth", mode: "forth", ext: ["forth", "fth", "4th"]},
-    {name: "Fortran", mime: "text/x-fortran", mode: "fortran", ext: ["f", "for", "f77", "f90"]},
+    {name: "Fortran", mime: "text/x-fortran", mode: "fortran", ext: ["f", "for", "f77", "f90", "f95"]},
     {name: "F#", mime: "text/x-fsharp", mode: "mllike", ext: ["fs"], alias: ["fsharp"]},
     {name: "Gas", mime: "text/x-gas", mode: "gas", ext: ["s"]},
     {name: "Gherkin", mime: "text/x-feature", mode: "gherkin", ext: ["feature"]},
     {name: "GitHub Flavored Markdown", mime: "text/x-gfm", mode: "gfm", file: /^(readme|contributing|history).md$/i},
     {name: "Go", mime: "text/x-go", mode: "go", ext: ["go"]},
-    {name: "Groovy", mime: "text/x-groovy", mode: "groovy", ext: ["groovy"]},
+    {name: "Groovy", mime: "text/x-groovy", mode: "groovy", ext: ["groovy", "gradle"], file: /^Jenkinsfile$/},
     {name: "HAML", mime: "text/x-haml", mode: "haml", ext: ["haml"]},
     {name: "Haskell", mime: "text/x-haskell", mode: "haskell", ext: ["hs"]},
     {name: "Haskell (Literate)", mime: "text/x-literate-haskell", mode: "haskell-literate", ext: ["lhs"]},
     {name: "Haxe", mime: "text/x-haxe", mode: "haxe", ext: ["hx"]},
     {name: "HXML", mime: "text/x-hxml", mode: "haxe", ext: ["hxml"]},
     {name: "ASP.NET", mime: "application/x-aspx", mode: "htmlembedded", ext: ["aspx"], alias: ["asp", "aspx"]},
-    {name: "HTML", mime: "text/html", mode: "htmlmixed", ext: ["html", "htm"], alias: ["xhtml"]},
+    {name: "HTML", mime: "text/html", mode: "htmlmixed", ext: ["html", "htm", "handlebars", "hbs"], alias: ["xhtml"]},
     {name: "HTTP", mime: "message/http", mode: "http"},
     {name: "IDL", mime: "text/x-idl", mode: "idl", ext: ["pro"]},
-    {name: "Jade", mime: "text/x-jade", mode: "jade", ext: ["jade"]},
+    {name: "Pug", mime: "text/x-pug", mode: "pug", ext: ["jade", "pug"], alias: ["jade"]},
     {name: "Java", mime: "text/x-java", mode: "clike", ext: ["java"]},
     {name: "Java Server Pages", mime: "application/x-jsp", mode: "htmlembedded", ext: ["jsp"], alias: ["jsp"]},
     {name: "JavaScript", mimes: ["text/javascript", "text/ecmascript", "application/javascript", "application/x-javascript", "application/ecmascript"],
@@ -72,7 +75,7 b''
     {name: "JSON", mimes: ["application/json", "application/x-json"], mode: "javascript", ext: ["json", "map"], alias: ["json5"]},
     {name: "JSON-LD", mime: "application/ld+json", mode: "javascript", ext: ["jsonld"], alias: ["jsonld"]},
     {name: "JSX", mime: "text/jsx", mode: "jsx", ext: ["jsx"]},
-    {name: "Jinja2", mime: "null", mode: "jinja2"},
+    {name: "Jinja2", mime: "text/jinja2", mode: "jinja2", ext: ["j2", "jinja", "jinja2"]},
     {name: "Julia", mime: "text/x-julia", mode: "julia", ext: ["jl"]},
     {name: "Kotlin", mime: "text/x-kotlin", mode: "clike", ext: ["kt"]},
     {name: "LESS", mime: "text/x-less", mode: "css", ext: ["less"]},
@@ -81,75 +84,88 b''
     {name: "Markdown", mime: "text/x-markdown", mode: "markdown", ext: ["markdown", "md", "mkd"]},
     {name: "mIRC", mime: "text/mirc", mode: "mirc"},
     {name: "MariaDB SQL", mime: "text/x-mariadb", mode: "sql"},
-    {name: "Mathematica", mime: "text/x-mathematica", mode: "mathematica", ext: ["m", "nb"]},
+    {name: "Mathematica", mime: "text/x-mathematica", mode: "mathematica", ext: ["m", "nb", "wl", "wls"]},
     {name: "Modelica", mime: "text/x-modelica", mode: "modelica", ext: ["mo"]},
-    {name: "MUMPS", mime: "text/x-mumps", mode: "mumps"},
+    {name: "MUMPS", mime: "text/x-mumps", mode: "mumps", ext: ["mps"]},
     {name: "MS SQL", mime: "text/x-mssql", mode: "sql"},
+    {name: "mbox", mime: "application/mbox", mode: "mbox", ext: ["mbox"]},
     {name: "MySQL", mime: "text/x-mysql", mode: "sql"},
     {name: "Nginx", mime: "text/x-nginx-conf", mode: "nginx", file: /nginx.*\.conf$/i},
     {name: "NSIS", mime: "text/x-nsis", mode: "nsis", ext: ["nsh", "nsi"]},
-    {name: "NTriples", mime: "text/n-triples", mode: "ntriples", ext: ["nt"]},
-    {name: "Objective C", mime: "text/x-objectivec", mode: "clike", ext: ["m", "mm"]},
+    {name: "NTriples", mimes: ["application/n-triples", "application/n-quads", "text/n-triples"],
+     mode: "ntriples", ext: ["nt", "nq"]},
+    {name: "Objective-C", mime: "text/x-objectivec", mode: "clike", ext: ["m"], alias: ["objective-c", "objc"]},
+    {name: "Objective-C++", mime: "text/x-objectivec++", mode: "clike", ext: ["mm"], alias: ["objective-c++", "objc++"]},
     {name: "OCaml", mime: "text/x-ocaml", mode: "mllike", ext: ["ml", "mli", "mll", "mly"]},
     {name: "Octave", mime: "text/x-octave", mode: "octave", ext: ["m"]},
     {name: "Oz", mime: "text/x-oz", mode: "oz", ext: ["oz"]},
     {name: "Pascal", mime: "text/x-pascal", mode: "pascal", ext: ["p", "pas"]},
     {name: "PEG.js", mime: "null", mode: "pegjs", ext: ["jsonld"]},
     {name: "Perl", mime: "text/x-perl", mode: "perl", ext: ["pl", "pm"]},
-    {name: "PHP", mime: "application/x-httpd-php", mode: "php", ext: ["php", "php3", "php4", "php5", "phtml"]},
+    {name: "PHP", mimes: ["text/x-php", "application/x-httpd-php", "application/x-httpd-php-open"], mode: "php", ext: ["php", "php3", "php4", "php5", "php7", "phtml"]},
     {name: "Pig", mime: "text/x-pig", mode: "pig", ext: ["pig"]},
     {name: "Plain Text", mime: "text/plain", mode: "null", ext: ["txt", "text", "conf", "def", "list", "log"]},
     {name: "PLSQL", mime: "text/x-plsql", mode: "sql", ext: ["pls"]},
+    {name: "PostgreSQL", mime: "text/x-pgsql", mode: "sql"},
+    {name: "PowerShell", mime: "application/x-powershell", mode: "powershell", ext: ["ps1", "psd1", "psm1"]},
     {name: "Properties files", mime: "text/x-properties", mode: "properties", ext: ["properties", "ini", "in"], alias: ["ini", "properties"]},
-    {name: "Python", mime: "text/x-python", mode: "python", ext: ["py", "pyw"]},
+    {name: "ProtoBuf", mime: "text/x-protobuf", mode: "protobuf", ext: ["proto"]},
+    {name: "Python", mime: "text/x-python", mode: "python", ext: ["BUILD", "bzl", "py", "pyw"], file: /^(BUCK|BUILD)$/},
     {name: "Puppet", mime: "text/x-puppet", mode: "puppet", ext: ["pp"]},
     {name: "Q", mime: "text/x-q", mode: "q", ext: ["q"]},
-    {name: "R", mime: "text/x-rsrc", mode: "r", ext: ["r"], alias: ["rscript"]},
+    {name: "R", mime: "text/x-rsrc", mode: "r", ext: ["r", "R"], alias: ["rscript"]},
     {name: "reStructuredText", mime: "text/x-rst", mode: "rst", ext: ["rst"], alias: ["rst"]},
     {name: "RPM Changes", mime: "text/x-rpm-changes", mode: "rpm"},
     {name: "RPM Spec", mime: "text/x-rpm-spec", mode: "rpm", ext: ["spec"]},
     {name: "Ruby", mime: "text/x-ruby", mode: "ruby", ext: ["rb"], alias: ["jruby", "macruby", "rake", "rb", "rbx"]},
     {name: "Rust", mime: "text/x-rustsrc", mode: "rust", ext: ["rs"]},
+    {name: "SAS", mime: "text/x-sas", mode: "sas", ext: ["sas"]},
     {name: "Sass", mime: "text/x-sass", mode: "sass", ext: ["sass"]},
     {name: "Scala", mime: "text/x-scala", mode: "clike", ext: ["scala"]},
     {name: "Scheme", mime: "text/x-scheme", mode: "scheme", ext: ["scm", "ss"]},
     {name: "SCSS", mime: "text/x-scss", mode: "css", ext: ["scss"]},
-    {name: "Shell", mime: "text/x-sh", mode: "shell", ext: ["sh", "ksh", "bash"], alias: ["bash", "sh", "zsh"], file: /^PKGBUILD$/},
+    {name: "Shell", mimes: ["text/x-sh", "application/x-sh"], mode: "shell", ext: ["sh", "ksh", "bash"], alias: ["bash", "sh", "zsh"], file: /^PKGBUILD$/},
     {name: "Sieve", mime: "application/sieve", mode: "sieve", ext: ["siv", "sieve"]},
     {name: "Slim", mimes: ["text/x-slim", "application/x-slim"], mode: "slim", ext: ["slim"]},
     {name: "Smalltalk", mime: "text/x-stsrc", mode: "smalltalk", ext: ["st"]},
     {name: "Smarty", mime: "text/x-smarty", mode: "smarty", ext: ["tpl"]},
     {name: "Solr", mime: "text/x-solr", mode: "solr"},
+    {name: "SML", mime: "text/x-sml", mode: "mllike", ext: ["sml", "sig", "fun", "smackspec"]},
     {name: "Soy", mime: "text/x-soy", mode: "soy", ext: ["soy"], alias: ["closure template"]},
     {name: "SPARQL", mime: "application/sparql-query", mode: "sparql", ext: ["rq", "sparql"], alias: ["sparul"]},
     {name: "Spreadsheet", mime: "text/x-spreadsheet", mode: "spreadsheet", alias: ["excel", "formula"]},
     {name: "SQL", mime: "text/x-sql", mode: "sql", ext: ["sql"]},
+    {name: "SQLite", mime: "text/x-sqlite", mode: "sql"},
     {name: "Squirrel", mime: "text/x-squirrel", mode: "clike", ext: ["nut"]},
+    {name: "Stylus", mime: "text/x-styl", mode: "stylus", ext: ["styl"]},
     {name: "Swift", mime: "text/x-swift", mode: "swift", ext: ["swift"]},
-    {name: "MariaDB", mime: "text/x-mariadb", mode: "sql"},
     {name: "sTeX", mime: "text/x-stex", mode: "stex"},
-    {name: "LaTeX", mime: "text/x-latex", mode: "stex", ext: ["text", "ltx"], alias: ["tex"]},
-    {name: "SystemVerilog", mime: "text/x-systemverilog", mode: "verilog", ext: ["v"]},
+    {name: "LaTeX", mime: "text/x-latex", mode: "stex", ext: ["text", "ltx", "tex"], alias: ["tex"]},
+    {name: "SystemVerilog", mime: "text/x-systemverilog", mode: "verilog", ext: ["v", "sv", "svh"]},
     {name: "Tcl", mime: "text/x-tcl", mode: "tcl", ext: ["tcl"]},
     {name: "Textile", mime: "text/x-textile", mode: "textile", ext: ["textile"]},
     {name: "TiddlyWiki ", mime: "text/x-tiddlywiki", mode: "tiddlywiki"},
     {name: "Tiki wiki", mime: "text/tiki", mode: "tiki"},
     {name: "TOML", mime: "text/x-toml", mode: "toml", ext: ["toml"]},
     {name: "Tornado", mime: "text/x-tornado", mode: "tornado"},
-    {name: "troff", mime: "troff", mode: "troff", ext: ["1", "2", "3", "4", "5", "6", "7", "8", "9"]},
+    {name: "troff", mime: "text/troff", mode: "troff", ext: ["1", "2", "3", "4", "5", "6", "7", "8", "9"]},
     {name: "TTCN", mime: "text/x-ttcn", mode: "ttcn", ext: ["ttcn", "ttcn3", "ttcnpp"]},
     {name: "TTCN_CFG", mime: "text/x-ttcn-cfg", mode: "ttcn-cfg", ext: ["cfg"]},
     {name: "Turtle", mime: "text/turtle", mode: "turtle", ext: ["ttl"]},
     {name: "TypeScript", mime: "application/typescript", mode: "javascript", ext: ["ts"], alias: ["ts"]},
+    {name: "TypeScript-JSX", mime: "text/typescript-jsx", mode: "jsx", ext: ["tsx"], alias: ["tsx"]},
     {name: "Twig", mime: "text/x-twig", mode: "twig"},
+    {name: "Web IDL", mime: "text/x-webidl", mode: "webidl", ext: ["webidl"]},
     {name: "VB.NET", mime: "text/x-vb", mode: "vb", ext: ["vb"]},
     {name: "VBScript", mime: "text/vbscript", mode: "vbscript", ext: ["vbs"]},
     {name: "Velocity", mime: "text/velocity", mode: "velocity", ext: ["vtl"]},
     {name: "Verilog", mime: "text/x-verilog", mode: "verilog", ext: ["v"]},
     {name: "VHDL", mime: "text/x-vhdl", mode: "vhdl", ext: ["vhd", "vhdl"]},
-    {name: "XML", mimes: ["application/xml", "text/xml"], mode: "xml", ext: ["xml", "xsl", "xsd"], alias: ["rss", "wsdl", "xsd"]},
+    {name: "Vue.js Component", mimes: ["script/x-vue", "text/x-vue"], mode: "vue", ext: ["vue"]},
+    {name: "XML", mimes: ["application/xml", "text/xml"], mode: "xml", ext: ["xml", "xsl", "xsd", "svg"], alias: ["rss", "wsdl", "xsd"]},
     {name: "XQuery", mime: "application/xquery", mode: "xquery", ext: ["xy", "xquery"]},
-    {name: "YAML", mime: "text/x-yaml", mode: "yaml", ext: ["yaml", "yml"], alias: ["yml"]},
+    {name: "Yacas", mime: "text/x-yacas", mode: "yacas", ext: ["ys"]},
+    {name: "YAML", mimes: ["text/x-yaml", "text/yaml"], mode: "yaml", ext: ["yaml", "yml"], alias: ["yml"]},
     {name: "Z80", mime: "text/x-z80", mode: "z80", ext: ["z80"]},
     {name: "mscgen", mime: "text/x-mscgen", mode: "mscgen", ext: ["mscgen", "mscin", "msc"]},
     {name: "xu", mime: "text/x-xu", mode: "mscgen", ext: ["xu"]},
@@ -169,6 +185,8 b''
       if (info.mimes) for (var j = 0; j < info.mimes.length; j++)
         if (info.mimes[j] == mime) return info;
     }
+    if (/\+xml$/.test(mime)) return CodeMirror.findModeByMIME("application/xml")
+    if (/\+json$/.test(mime)) return CodeMirror.findModeByMIME("application/json")
   };
 
   CodeMirror.findModeByExtension = function(ext) {

rhodecode/public/js/mode/meta_ext.js

@@ -36,7 +36,7 b' MIME_TO_EXT = {'
 "application/x-ssp": {"exts": ["*.ssp"], "mode": ""},
 "application/x-troff": {"exts": ["*.[1234567]","*.man"], "mode": ""},
 "application/x-urbiscript": {"exts": ["*.u"], "mode": ""},
-"application/xml": {"exts": ["*.xml","*.xsl","*.rss","*.xslt","*.xsd","*.wsdl"], "mode": "xml"},
+"application/xml": {"exts": ["*.xml","*.xsl","*.rss","*.xslt","*.xsd","*.wsdl","*.svg"], "mode": "xml"},
 "application/xml+evoque": {"exts": ["*.xml"], "mode": ""},
 "application/xml-dtd": {"exts": ["*.dtd"], "mode": "dtd"},
 "application/xquery": {"exts": ["*.xqy","*.xquery","*.xq","*.xql","*.xqm","*.xy"], "mode": "xquery"},
@@ -48,7 +48,7 b' MIME_TO_EXT = {'
 "text/coffeescript": {"exts": ["*.coffee"], "mode": ""},
 "text/css": {"exts": ["*.css"], "mode": "css"},
 "text/haxe": {"exts": ["*.hx"], "mode": ""},
-"text/html": {"exts": ["*.html","*.htm","*.xhtml","*.xslt"], "mode": "htmlmixed"},
+"text/html": {"exts": ["*.html","*.htm","*.xhtml","*.xslt","*.handlebars","*.hbs"], "mode": "htmlmixed"},
 "text/html+evoque": {"exts": ["*.html"], "mode": ""},
 "text/html+ruby": {"exts": ["*.rhtml"], "mode": ""},
 "text/idl": {"exts": ["*.pro"], "mode": ""},
@@ -80,7 +80,7 b' MIME_TO_EXT = {'
 "text/x-c-objdump": {"exts": ["*.c-objdump"], "mode": ""},
 "text/x-ceylon": {"exts": ["*.ceylon"], "mode": ""},
 "text/x-chdr": {"exts": ["*.c","*.h","*.idc"], "mode": "clike"},
-"text/x-clojure": {"exts": ["*.clj"], "mode": "clojure"},
+"text/x-clojure": {"exts": ["*.clj","*.cljc","*.cljx"], "mode": "clojure"},
 "text/x-cmake": {"exts": ["*.cmake","CMakeLists.txt","*.cmake.in"], "mode": "cmake"},
 "text/x-cobol": {"exts": ["*.cob","*.COB","*.cpy","*.CPY"], "mode": "cobol"},
 "text/x-coffeescript": {"exts": ["*.coffee"], "mode": "coffeescript"},
@@ -89,7 +89,7 b' MIME_TO_EXT = {'
 "text/x-cpp-objdump": {"exts": ["*.cpp-objdump","*.c++-objdump","*.cxx-objdump"], "mode": ""},
 "text/x-crocsrc": {"exts": ["*.croc"], "mode": ""},
 "text/x-csharp": {"exts": ["*.cs"], "mode": "clike"},
-"text/x-csrc": {"exts": ["*.c","*.h"], "mode": "clike"},
+"text/x-csrc": {"exts": ["*.c","*.h","*.ino"], "mode": "clike"},
 "text/x-cuda": {"exts": ["*.cu","*.cuh"], "mode": ""},
 "text/x-cython": {"exts": ["*.pyx","*.pxd","*.pxi"], "mode": "python"},
 "text/x-d": {"exts": ["*.d"], "mode": "d"},
@@ -110,7 +110,7 b' MIME_TO_EXT = {'
 "text/x-factor": {"exts": ["*.factor"], "mode": "factor"},
 "text/x-fancysrc": {"exts": ["*.fy","*.fancypack"], "mode": ""},
 "text/x-felix": {"exts": ["*.flx","*.flxh"], "mode": ""},
-"text/x-fortran": {"exts": ["*.f","*.f90","*.F","*.F90","*.for","*.f77"], "mode": "fortran"},
+"text/x-fortran": {"exts": ["*.f","*.f90","*.F","*.F90","*.for","*.f77","*.f95"], "mode": "fortran"},
 "text/x-fsharp": {"exts": ["*.fs","*.fsi"], "mode": "mllike"},
 "text/x-gas": {"exts": ["*.s","*.S"], "mode": "gas"},
 "text/x-gfm": {"exts": ["*.md","*.MD"], "mode": "gfm"},
@@ -123,7 +123,7 b' MIME_TO_EXT = {'
 "text/x-gosrc": {"exts": ["*.go"], "mode": ""},
 "text/x-gosu": {"exts": ["*.gs","*.gsx","*.gsp","*.vark"], "mode": ""},
 "text/x-gosu-template": {"exts": ["*.gst"], "mode": ""},
-"text/x-groovy": {"exts": ["*.groovy"], "mode": "groovy"},
+"text/x-groovy": {"exts": ["*.groovy","*.gradle"], "mode": "groovy"},
 "text/x-haml": {"exts": ["*.haml"], "mode": "haml"},
 "text/x-haskell": {"exts": ["*.hs"], "mode": "haskell"},
 "text/x-haxe": {"exts": ["*.hx"], "mode": "haxe"},
@@ -139,7 +139,7 b' MIME_TO_EXT = {'
 "text/x-koka": {"exts": ["*.kk","*.kki"], "mode": ""},
 "text/x-kotlin": {"exts": ["*.kt"], "mode": "clike"},
 "text/x-lasso": {"exts": ["*.lasso","*.lasso[89]"], "mode": ""},
-"text/x-latex": {"exts": ["*.ltx","*.text"], "mode": "stex"},
+"text/x-latex": {"exts": ["*.ltx","*.text","*.tex"], "mode": "stex"},
 "text/x-less": {"exts": ["*.less"], "mode": "css"},
 "text/x-literate-haskell": {"exts": ["*.lhs"], "mode": "haskell-literate"},
 "text/x-livescript": {"exts": ["*.ls"], "mode": "livescript"},
@@ -173,13 +173,13 b' MIME_TO_EXT = {'
 "text/x-openedge": {"exts": ["*.p","*.cls"], "mode": ""},
 "text/x-pascal": {"exts": ["*.pas","*.p"], "mode": "pascal"},
 "text/x-perl": {"exts": ["*.pl","*.pm"], "mode": "perl"},
-"text/x-php": {"exts": ["*.php","*.php[345]","*.inc"], "mode": "php"},
+"text/x-php": {"exts": ["*.php","*.php[345]","*.inc","*.php3","*.php4","*.php5","*.php7","*.phtml"], "mode": "php"},
 "text/x-pig": {"exts": ["*.pig"], "mode": "pig"},
 "text/x-povray": {"exts": ["*.pov","*.inc"], "mode": ""},
 "text/x-powershell": {"exts": ["*.ps1"], "mode": ""},
 "text/x-prolog": {"exts": ["*.prolog","*.pro","*.pl"], "mode": ""},
 "text/x-properties": {"exts": ["*.properties","*.ini","*.in"], "mode": "properties"},
-"text/x-python": {"exts": ["*.py","*.pyw","*.sc","SConstruct","SConscript","*.tac","*.sage"], "mode": "python"},
+"text/x-python": {"exts": ["*.py","*.pyw","*.sc","SConstruct","SConscript","*.tac","*.sage","*.BUILD","*.bzl"], "mode": "python"},
 "text/x-python-traceback": {"exts": ["*.pytb"], "mode": ""},
 "text/x-python3-traceback": {"exts": ["*.py3tb"], "mode": ""},
 "text/x-r-doc": {"exts": ["*.Rd"], "mode": ""},
@@ -187,7 +187,7 b' MIME_TO_EXT = {'
 "text/x-rebol": {"exts": ["*.r","*.r3"], "mode": ""},
 "text/x-robotframework": {"exts": ["*.txt","*.robot"], "mode": ""},
 "text/x-rpm-spec": {"exts": ["*.spec"], "mode": "rpm"},
-"text/x-rsrc": {"exts": ["*.r"], "mode": "r"},
+"text/x-rsrc": {"exts": ["*.r","*.R"], "mode": "r"},
 "text/x-rst": {"exts": ["*.rst","*.rest"], "mode": "rst"},
 "text/x-ruby": {"exts": ["*.rb","*.rbw","Rakefile","*.rake","*.gemspec","*.rbx","*.duby"], "mode": "ruby"},
 "text/x-rustsrc": {"exts": ["*.rs","*.rc"], "mode": "rust"},
@@ -224,7 +224,7 b' MIME_TO_EXT = {'
 "text/x-yaml": {"exts": ["*.yaml","*.yml"], "mode": "yaml"},
 "text/x-z80": {"exts": ["*.z80"], "mode": "z80"},
 "text/xml": {"exts": ["*.xml","*.xsl","*.rss","*.xslt","*.xsd","*.wsdl"], "mode": ""},
-"text/xquery": {"exts": ["*.xqy","*.xquery","*.xq","*.xql","*.xqm"], "mode": ""}
+"text/xquery": {"exts": ["*.xqy","*.xquery","*.xq","*.xql","*.xqm"], "mode": ""},
 };
 
 /* Special case for overriding mode by file extensions

rhodecode/public/js/mode/mirc/mirc.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 //mIRC mode by Ford_Lawnmower :: Based on Velocity mode by Steve O'Hara
 
@@ -130,7 +130,7 b' CodeMirror.defineMode("mirc", function()'
       }
     }
     else if (ch == "%") {
-      stream.eatWhile(/[^,^\s^\(^\)]/);
+      stream.eatWhile(/[^,\s()]/);
       state.beforeParams = true;
       return "string";
     }

rhodecode/public/js/mode/mllike/mllike.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -13,31 +13,26 b''
 
 CodeMirror.defineMode('mllike', function(_config, parserConfig) {
   var words = {
-    'let': 'keyword',
-    'rec': 'keyword',
-    'in': 'keyword',
-    'of': 'keyword',
-    'and': 'keyword',
-    'if': 'keyword',
-    'then': 'keyword',
-    'else': 'keyword',
-    'for': 'keyword',
-    'to': 'keyword',
-    'while': 'keyword',
+    'as': 'keyword',
     'do': 'keyword',
-    'done': 'keyword',
+    'else': 'keyword',
+    'end': 'keyword',
+    'exception': 'keyword',
     'fun': 'keyword',
-    'function': 'keyword',
-    'val': 'keyword',
+    'functor': 'keyword',
+    'if': 'keyword',
+    'in': 'keyword',
+    'include': 'keyword',
+    'let': 'keyword',
+    'of': 'keyword',
+    'open': 'keyword',
+    'rec': 'keyword',
+    'struct': 'keyword',
+    'then': 'keyword',
     'type': 'keyword',
-    'mutable': 'keyword',
-    'match': 'keyword',
-    'with': 'keyword',
-    'try': 'keyword',
-    'open': 'builtin',
-    'ignore': 'builtin',
-    'begin': 'keyword',
-    'end': 'keyword'
+    'val': 'keyword',
+    'while': 'keyword',
+    'with': 'keyword'
   };
 
   var extraWords = parserConfig.extraWords || {};
@@ -46,6 +41,9 b" CodeMirror.defineMode('mllike', function"
       words[prop] = parserConfig.extraWords[prop];
     }
   }
+  var hintWords = [];
+  for (var k in words) { hintWords.push(k); }
+  CodeMirror.registerHelper("hintWords", "mllike", hintWords);
 
   function tokenBase(stream, state) {
     var ch = stream.next();
@@ -54,6 +52,13 b" CodeMirror.defineMode('mllike', function"
       state.tokenize = tokenString;
       return state.tokenize(stream, state);
     }
+    if (ch === '{') {
+      if (stream.eat('|')) {
+        state.longString = true;
+        state.tokenize = tokenLongString;
+        return state.tokenize(stream, state);
+      }
+    }
     if (ch === '(') {
       if (stream.eat('*')) {
         state.commentLevel++;
@@ -61,7 +66,7 b" CodeMirror.defineMode('mllike', function"
         return state.tokenize(stream, state);
       }
     }
-    if (ch === '~') {
+    if (ch === '~' || ch === '?') {
       stream.eatWhile(/\w/);
       return 'variable-2';
     }
@@ -74,18 +79,32 b" CodeMirror.defineMode('mllike', function"
       return 'comment';
     }
     if (/\d/.test(ch)) {
-      stream.eatWhile(/[\d]/);
-      if (stream.eat('.')) {
-        stream.eatWhile(/[\d]/);
+      if (ch === '0' && stream.eat(/[bB]/)) {
+        stream.eatWhile(/[01]/);
+      } if (ch === '0' && stream.eat(/[xX]/)) {
+        stream.eatWhile(/[0-9a-fA-F]/)
+      } if (ch === '0' && stream.eat(/[oO]/)) {
+        stream.eatWhile(/[0-7]/);
+      } else {
+        stream.eatWhile(/[\d_]/);
+        if (stream.eat('.')) {
+          stream.eatWhile(/[\d]/);
+        }
+        if (stream.eat(/[eE]/)) {
+          stream.eatWhile(/[\d\-+]/);
+        }
       }
       return 'number';
     }
-    if ( /[+\-*&%=<>!?|]/.test(ch)) {
+    if ( /[+\-*&%=<>!?|@\.~:]/.test(ch)) {
       return 'operator';
     }
-    stream.eatWhile(/\w/);
-    var cur = stream.current();
-    return words.hasOwnProperty(cur) ? words[cur] : 'variable';
+    if (/[\w\xa1-\uffff]/.test(ch)) {
+      stream.eatWhile(/[\w\xa1-\uffff]/);
+      var cur = stream.current();
+      return words.hasOwnProperty(cur) ? words[cur] : 'variable';
+    }
+    return null
   }
 
   function tokenString(stream, state) {
@@ -116,8 +135,20 b" CodeMirror.defineMode('mllike', function"
     return 'comment';
   }
 
+  function tokenLongString(stream, state) {
+    var prev, next;
+    while (state.longString && (next = stream.next()) != null) {
+      if (prev === '|' && next === '}') state.longString = false;
+      prev = next;
+    }
+    if (!state.longString) {
+      state.tokenize = tokenBase;
+    }
+    return 'string';
+  }
+
   return {
-    startState: function() {return {tokenize: tokenBase, commentLevel: 0};},
+    startState: function() {return {tokenize: tokenBase, commentLevel: 0, longString: false};},
     token: function(stream, state) {
       if (stream.eatSpace()) return null;
       return state.tokenize(stream, state);
@@ -132,14 +163,64 b" CodeMirror.defineMode('mllike', function"
 CodeMirror.defineMIME('text/x-ocaml', {
   name: 'mllike',
   extraWords: {
-    'succ': 'keyword',
+    'and': 'keyword',
+    'assert': 'keyword',
+    'begin': 'keyword',
+    'class': 'keyword',
+    'constraint': 'keyword',
+    'done': 'keyword',
+    'downto': 'keyword',
+    'external': 'keyword',
+    'function': 'keyword',
+    'initializer': 'keyword',
+    'lazy': 'keyword',
+    'match': 'keyword',
+    'method': 'keyword',
+    'module': 'keyword',
+    'mutable': 'keyword',
+    'new': 'keyword',
+    'nonrec': 'keyword',
+    'object': 'keyword',
+    'private': 'keyword',
+    'sig': 'keyword',
+    'to': 'keyword',
+    'try': 'keyword',
+    'value': 'keyword',
+    'virtual': 'keyword',
+    'when': 'keyword',
+
+    // builtins
+    'raise': 'builtin',
+    'failwith': 'builtin',
+    'true': 'builtin',
+    'false': 'builtin',
+
+    // Pervasives builtins
+    'asr': 'builtin',
+    'land': 'builtin',
+    'lor': 'builtin',
+    'lsl': 'builtin',
+    'lsr': 'builtin',
+    'lxor': 'builtin',
+    'mod': 'builtin',
+    'or': 'builtin',
+
+    // More Pervasives
+    'raise_notrace': 'builtin',
     'trace': 'builtin',
     'exit': 'builtin',
     'print_string': 'builtin',
     'print_endline': 'builtin',
-    'true': 'atom',
-    'false': 'atom',
-    'raise': 'keyword'
+
+     'int': 'type',
+     'float': 'type',
+     'bool': 'type',
+     'char': 'type',
+     'string': 'type',
+     'unit': 'type',
+
+     // Modules
+     'List': 'builtin'
   }
 });
 
@@ -147,18 +228,21 b" CodeMirror.defineMIME('text/x-fsharp', {"
   name: 'mllike',
   extraWords: {
     'abstract': 'keyword',
-    'as': 'keyword',
     'assert': 'keyword',
     'base': 'keyword',
+    'begin': 'keyword',
     'class': 'keyword',
     'default': 'keyword',
     'delegate': 'keyword',
+    'do!': 'keyword',
+    'done': 'keyword',
     'downcast': 'keyword',
     'downto': 'keyword',
     'elif': 'keyword',
-    'exception': 'keyword',
     'extern': 'keyword',
     'finally': 'keyword',
+    'for': 'keyword',
+    'function': 'keyword',
     'global': 'keyword',
     'inherit': 'keyword',
     'inline': 'keyword',
@@ -166,38 +250,108 b" CodeMirror.defineMIME('text/x-fsharp', {"
     'internal': 'keyword',
     'lazy': 'keyword',
     'let!': 'keyword',
-    'member' : 'keyword',
+    'match': 'keyword',
+    'member': 'keyword',
     'module': 'keyword',
+    'mutable': 'keyword',
     'namespace': 'keyword',
     'new': 'keyword',
     'null': 'keyword',
     'override': 'keyword',
     'private': 'keyword',
     'public': 'keyword',
+    'return!': 'keyword',
     'return': 'keyword',
-    'return!': 'keyword',
     'select': 'keyword',
     'static': 'keyword',
-    'struct': 'keyword',
+    'to': 'keyword',
+    'try': 'keyword',
     'upcast': 'keyword',
-    'use': 'keyword',
     'use!': 'keyword',
-    'val': 'keyword',
+    'use': 'keyword',
+    'void': 'keyword',
     'when': 'keyword',
+    'yield!': 'keyword',
     'yield': 'keyword',
-    'yield!': 'keyword',
 
+    // Reserved words
+    'atomic': 'keyword',
+    'break': 'keyword',
+    'checked': 'keyword',
+    'component': 'keyword',
+    'const': 'keyword',
+    'constraint': 'keyword',
+    'constructor': 'keyword',
+    'continue': 'keyword',
+    'eager': 'keyword',
+    'event': 'keyword',
+    'external': 'keyword',
+    'fixed': 'keyword',
+    'method': 'keyword',
+    'mixin': 'keyword',
+    'object': 'keyword',
+    'parallel': 'keyword',
+    'process': 'keyword',
+    'protected': 'keyword',
+    'pure': 'keyword',
+    'sealed': 'keyword',
+    'tailcall': 'keyword',
+    'trait': 'keyword',
+    'virtual': 'keyword',
+    'volatile': 'keyword',
+
+    // builtins
     'List': 'builtin',
     'Seq': 'builtin',
     'Map': 'builtin',
     'Set': 'builtin',
+    'Option': 'builtin',
     'int': 'builtin',
     'string': 'builtin',
-    'raise': 'builtin',
-    'failwith': 'builtin',
     'not': 'builtin',
     'true': 'builtin',
-    'false': 'builtin'
+    'false': 'builtin',
+
+    'raise': 'builtin',
+    'failwith': 'builtin'
+  },
+  slashComments: true
+});
+
+
+CodeMirror.defineMIME('text/x-sml', {
+  name: 'mllike',
+  extraWords: {
+    'abstype': 'keyword',
+    'and': 'keyword',
+    'andalso': 'keyword',
+    'case': 'keyword',
+    'datatype': 'keyword',
+    'fn': 'keyword',
+    'handle': 'keyword',
+    'infix': 'keyword',
+    'infixr': 'keyword',
+    'local': 'keyword',
+    'nonfix': 'keyword',
+    'op': 'keyword',
+    'orelse': 'keyword',
+    'raise': 'keyword',
+    'withtype': 'keyword',
+    'eqtype': 'keyword',
+    'sharing': 'keyword',
+    'sig': 'keyword',
+    'signature': 'keyword',
+    'structure': 'keyword',
+    'where': 'keyword',
+    'true': 'keyword',
+    'false': 'keyword',
+
+    // types
+    'int': 'builtin',
+    'real': 'builtin',
+    'string': 'builtin',
+    'char': 'builtin',
+    'bool': 'builtin'
   },
   slashComments: true
 });

rhodecode/public/js/mode/modelica/modelica.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 // Modelica support for CodeMirror, copyright (c) by Lennart Ochel
 

rhodecode/public/js/mode/mscgen/mscgen.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 // mode(s) for the sequence chart dsl's mscgen, xù and msgenny
 // For more information on mscgen, see the site of the original author:
@@ -23,6 +23,7 b''
     mscgen: {
       "keywords" : ["msc"],
       "options" : ["hscale", "width", "arcgradient", "wordwraparcs"],
+      "constants" : ["true", "false", "on", "off"],
       "attributes" : ["label", "idurl", "id", "url", "linecolor", "linecolour", "textcolor", "textcolour", "textbgcolor", "textbgcolour", "arclinecolor", "arclinecolour", "arctextcolor", "arctextcolour", "arctextbgcolor", "arctextbgcolour", "arcskip"],
       "brackets" : ["\\{", "\\}"], // [ and  ] are brackets too, but these get handled in with lists
       "arcsWords" : ["note", "abox", "rbox", "box"],
@@ -31,9 +32,10 b''
       "operators" : ["="]
     },
     xu: {
-      "keywords" : ["msc"],
-      "options" : ["hscale", "width", "arcgradient", "wordwraparcs", "watermark"],
-      "attributes" : ["label", "idurl", "id", "url", "linecolor", "linecolour", "textcolor", "textcolour", "textbgcolor", "textbgcolour", "arclinecolor", "arclinecolour", "arctextcolor", "arctextcolour", "arctextbgcolor", "arctextbgcolour", "arcskip"],
+      "keywords" : ["msc", "xu"],
+      "options" : ["hscale", "width", "arcgradient", "wordwraparcs", "wordwrapentities", "watermark"],
+      "constants" : ["true", "false", "on", "off", "auto"],
+      "attributes" : ["label", "idurl", "id", "url", "linecolor", "linecolour", "textcolor", "textcolour", "textbgcolor", "textbgcolour", "arclinecolor", "arclinecolour", "arctextcolor", "arctextcolour", "arctextbgcolor", "arctextbgcolour", "arcskip", "title", "deactivate", "activate", "activation"],
       "brackets" : ["\\{", "\\}"],  // [ and  ] are brackets too, but these get handled in with lists
       "arcsWords" : ["note", "abox", "rbox", "box", "alt", "else", "opt", "break", "par", "seq", "strict", "neg", "critical", "ignore", "consider", "assert", "loop", "ref", "exc"],
       "arcsOthers" : ["\\|\\|\\|", "\\.\\.\\.", "---", "--", "<->", "==", "<<=>>", "<=>", "\\.\\.", "<<>>", "::", "<:>", "->", "=>>", "=>", ">>", ":>", "<-", "<<=", "<=", "<<", "<:", "x-", "-x"],
@@ -42,7 +44,8 b''
     },
     msgenny: {
       "keywords" : null,
-      "options" : ["hscale", "width", "arcgradient", "wordwraparcs", "watermark"],
+      "options" : ["hscale", "width", "arcgradient", "wordwraparcs", "wordwrapentities", "watermark"],
+      "constants" : ["true", "false", "on", "off", "auto"],
       "attributes" : null,
       "brackets" : ["\\{", "\\}"],
       "arcsWords" : ["note", "abox", "rbox", "box", "alt", "else", "opt", "break", "par", "seq", "strict", "neg", "critical", "ignore", "consider", "assert", "loop", "ref", "exc"],
@@ -146,6 +149,9 b''
       if (!!pConfig.operators && pStream.match(wordRegexp(pConfig.operators), true, true))
         return "operator";
 
+      if (!!pConfig.constants && pStream.match(wordRegexp(pConfig.constants), true, true))
+        return "variable";
+
       /* attribute lists */
       if (!pConfig.inAttributeList && !!pConfig.attributes && pStream.match(/\[/, true, true)) {
         pConfig.inAttributeList = true;

rhodecode/public/js/mode/mscgen/mscgen_test.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function() {
   var mode = CodeMirror.getMode({indentUnit: 2}, "mscgen");
@@ -26,9 +26,18 b''
 
   MT("xù/ msgenny keywords classify as 'base'",
     "[base watermark]",
+    "[base wordwrapentities]",
     "[base alt loop opt ref else break par seq assert]"
   );
 
+  MT("xù/ msgenny constants classify as 'base'",
+    "[base auto]"
+  );
+
+  MT("mscgen constants classify as 'variable'",
+    "[variable true]", "[variable false]", "[variable on]", "[variable off]"
+  );
+
   MT("mscgen options classify as keyword",
     "[keyword hscale]", "[keyword width]", "[keyword arcgradient]", "[keyword wordwraparcs]"
   );
@@ -63,7 +72,7 b''
   MT("a typical program",
     "[comment # typical mscgen program]",
     "[keyword msc][base  ][bracket {]",
-    "[keyword wordwraparcs][operator =][string \"true\"][base , ][keyword hscale][operator =][string \"0.8\"][keyword arcgradient][operator =][base 30;]",
+    "[keyword wordwraparcs][operator =][variable true][base , ][keyword hscale][operator =][string \"0.8\"][base , ][keyword arcgradient][operator =][base 30;]",
     "[base   a][bracket [[][attribute label][operator =][string \"Entity A\"][bracket ]]][base ,]",
     "[base   b][bracket [[][attribute label][operator =][string \"Entity B\"][bracket ]]][base ,]",
     "[base   c][bracket [[][attribute label][operator =][string \"Entity C\"][bracket ]]][base ;]",

rhodecode/public/js/mode/mscgen/msgenny_test.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function() {
   var mode = CodeMirror.getMode({indentUnit: 2}, "text/x-msgenny");
@@ -20,9 +20,15 b''
 
   MT("xù/ msgenny keywords classify as 'keyword'",
     "[keyword watermark]",
+    "[keyword wordwrapentities]",
     "[keyword alt]","[keyword loop]","[keyword opt]","[keyword ref]","[keyword else]","[keyword break]","[keyword par]","[keyword seq]","[keyword assert]"
   );
 
+  MT("xù/ msgenny constants classify as 'variable'",
+    "[variable auto]",
+    "[variable true]", "[variable false]", "[variable on]", "[variable off]"
+  );
+
   MT("mscgen options classify as keyword",
     "[keyword hscale]", "[keyword width]", "[keyword arcgradient]", "[keyword wordwraparcs]"
   );
@@ -56,7 +62,7 b''
 
   MT("a typical program",
     "[comment # typical msgenny program]",
-    "[keyword wordwraparcs][operator =][string \"true\"][base , ][keyword hscale][operator =][string \"0.8\"][base , ][keyword arcgradient][operator =][base 30;]",
+    "[keyword wordwraparcs][operator =][variable true][base , ][keyword hscale][operator =][string \"0.8\"][base , ][keyword arcgradient][operator =][base 30;]",
     "[base   a : ][string \"Entity A\"][base ,]",
     "[base   b : Entity B,]",
     "[base   c : Entity C;]",

rhodecode/public/js/mode/mscgen/xu_test.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function() {
   var mode = CodeMirror.getMode({indentUnit: 2}, "text/x-xu");
@@ -9,7 +9,13 b''
      "[keyword msc][bracket {]",
      "[base   ]",
      "[bracket }]"
-   );
+  );
+
+  MT("empty chart",
+     "[keyword xu][bracket {]",
+     "[base   ]",
+     "[bracket }]"
+  );
 
   MT("comments",
     "[comment // a single line comment]",
@@ -29,6 +35,11 b''
     "[keyword alt]","[keyword loop]","[keyword opt]","[keyword ref]","[keyword else]","[keyword break]","[keyword par]","[keyword seq]","[keyword assert]"
   );
 
+  MT("xù/ msgenny constants classify as 'variable'",
+    "[variable auto]",
+    "[variable true]", "[variable false]", "[variable on]", "[variable off]"
+  );
+
   MT("mscgen options classify as keyword",
     "[keyword hscale]", "[keyword width]", "[keyword arcgradient]", "[keyword wordwraparcs]"
   );
@@ -49,7 +60,8 b''
     "[attribute id]","[attribute url]","[attribute idurl]",
     "[attribute linecolor]","[attribute linecolour]","[attribute textcolor]","[attribute textcolour]","[attribute textbgcolor]","[attribute textbgcolour]",
     "[attribute arclinecolor]","[attribute arclinecolour]","[attribute arctextcolor]","[attribute arctextcolour]","[attribute arctextbgcolor]","[attribute arctextbgcolour]",
-    "[attribute arcskip][bracket ]]]"
+    "[attribute arcskip]","[attribute title]",
+    "[attribute activate]","[attribute deactivate]","[attribute activation][bracket ]]]"
   );
 
   MT("outside an attribute list, attributes classify as base",
@@ -57,18 +69,18 b''
     "[base id]","[base url]","[base idurl]",
     "[base linecolor]","[base linecolour]","[base textcolor]","[base textcolour]","[base textbgcolor]","[base textbgcolour]",
     "[base arclinecolor]","[base arclinecolour]","[base arctextcolor]","[base arctextcolour]","[base arctextbgcolor]","[base arctextbgcolour]",
-    "[base arcskip]"
+    "[base arcskip]", "[base title]"
   );
 
   MT("a typical program",
-    "[comment # typical mscgen program]",
-    "[keyword msc][base  ][bracket {]",
-    "[keyword wordwraparcs][operator =][string \"true\"][keyword hscale][operator =][string \"0.8\"][keyword arcgradient][operator =][base 30;]",
+    "[comment # typical xu program]",
+    "[keyword xu][base  ][bracket {]",
+    "[keyword wordwraparcs][operator =][string \"true\"][base , ][keyword hscale][operator =][string \"0.8\"][base , ][keyword arcgradient][operator =][base 30, ][keyword width][operator =][variable auto][base ;]",
     "[base   a][bracket [[][attribute label][operator =][string \"Entity A\"][bracket ]]][base ,]",
     "[base   b][bracket [[][attribute label][operator =][string \"Entity B\"][bracket ]]][base ,]",
     "[base   c][bracket [[][attribute label][operator =][string \"Entity C\"][bracket ]]][base ;]",
     "[base   a ][keyword =>>][base  b][bracket [[][attribute label][operator =][string \"Hello entity B\"][bracket ]]][base ;]",
-    "[base   a ][keyword <<][base  b][bracket [[][attribute label][operator =][string \"Here's an answer dude!\"][bracket ]]][base ;]",
+    "[base   a ][keyword <<][base  b][bracket [[][attribute label][operator =][string \"Here's an answer dude!\"][base , ][attribute title][operator =][string \"This is a title for this message\"][bracket ]]][base ;]",
     "[base   c ][keyword :>][base  *][bracket [[][attribute label][operator =][string \"What about me?\"][base , ][attribute textcolor][operator =][base red][bracket ]]][base ;]",
     "[bracket }]"
   );

rhodecode/public/js/mode/mumps/mumps.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 /*
   This MUMPS Language script was constructed using vbscript.js as a template.

rhodecode/public/js/mode/nginx/nginx.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/nsis/nsis.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 // Author: Jan T. Sott (http://github.com/idleberg)
 
@@ -24,20 +24,20 b' CodeMirror.defineSimpleMode("nsis",{'
     { regex: /`(?:[^\\`]|\\.)*`?/, token: "string" },
 
     // Compile Time Commands
-    {regex: /(?:\!(include|addincludedir|addplugindir|appendfile|cd|delfile|echo|error|execute|packhdr|finalize|getdllversion|system|tempfile|warning|verbose|define|undef|insertmacro|makensis|searchparse|searchreplace))\b/, token: "keyword"},
+    {regex: /^\s*(?:\!(include|addincludedir|addplugindir|appendfile|cd|delfile|echo|error|execute|packhdr|pragma|finalize|getdllversion|gettlbversion|system|tempfile|warning|verbose|define|undef|insertmacro|macro|macroend|makensis|searchparse|searchreplace))\b/, token: "keyword"},
 
     // Conditional Compilation
-    {regex: /(?:\!(if(?:n?def)?|ifmacron?def|macro))\b/, token: "keyword", indent: true},
-    {regex: /(?:\!(else|endif|macroend))\b/, token: "keyword", dedent: true},
+    {regex: /^\s*(?:\!(if(?:n?def)?|ifmacron?def|macro))\b/, token: "keyword", indent: true},
+    {regex: /^\s*(?:\!(else|endif|macroend))\b/, token: "keyword", dedent: true},
 
     // Runtime Commands
-    {regex: /\b(?:Abort|AddBrandingImage|AddSize|AllowRootDirInstall|AllowSkipFiles|AutoCloseWindow|BGFont|BGGradient|BrandingText|BringToFront|Call|CallInstDLL|Caption|ChangeUI|CheckBitmap|ClearErrors|CompletedText|ComponentText|CopyFiles|CRCCheck|CreateDirectory|CreateFont|CreateShortCut|Delete|DeleteINISec|DeleteINIStr|DeleteRegKey|DeleteRegValue|DetailPrint|DetailsButtonText|DirText|DirVar|DirVerify|EnableWindow|EnumRegKey|EnumRegValue|Exch|Exec|ExecShell|ExecWait|ExpandEnvStrings|File|FileBufSize|FileClose|FileErrorText|FileOpen|FileRead|FileReadByte|FileReadUTF16LE|FileReadWord|FileWriteUTF16LE|FileSeek|FileWrite|FileWriteByte|FileWriteWord|FindClose|FindFirst|FindNext|FindWindow|FlushINI|GetCurInstType|GetCurrentAddress|GetDlgItem|GetDLLVersion|GetDLLVersionLocal|GetErrorLevel|GetFileTime|GetFileTimeLocal|GetFullPathName|GetFunctionAddress|GetInstDirError|GetLabelAddress|GetTempFileName|Goto|HideWindow|Icon|IfAbort|IfErrors|IfFileExists|IfRebootFlag|IfSilent|InitPluginsDir|InstallButtonText|InstallColors|InstallDir|InstallDirRegKey|InstProgressFlags|InstType|InstTypeGetText|InstTypeSetText|IntCmp|IntCmpU|IntFmt|IntOp|IsWindow|LangString|LicenseBkColor|LicenseData|LicenseForceSelection|LicenseLangString|LicenseText|LoadLanguageFile|LockWindow|LogSet|LogText|ManifestDPIAware|ManifestSupportedOS|MessageBox|MiscButtonText|Name|Nop|OutFile|Page|PageCallbacks|Pop|Push|Quit|ReadEnvStr|ReadINIStr|ReadRegDWORD|ReadRegStr|Reboot|RegDLL|Rename|RequestExecutionLevel|ReserveFile|Return|RMDir|SearchPath|SectionGetFlags|SectionGetInstTypes|SectionGetSize|SectionGetText|SectionIn|SectionSetFlags|SectionSetInstTypes|SectionSetSize|SectionSetText|SendMessage|SetAutoClose|SetBrandingImage|SetCompress|SetCompressor|SetCompressorDictSize|SetCtlColors|SetCurInstType|SetDatablockOptimize|SetDateSave|SetDetailsPrint|SetDetailsView|SetErrorLevel|SetErrors|SetFileAttributes|SetFont|SetOutPath|SetOverwrite|SetPluginUnload|SetRebootFlag|SetRegView|SetShellVarContext|SetSilent|ShowInstDetails|ShowUninstDetails|ShowWindow|SilentInstall|SilentUnInstall|Sleep|SpaceTexts|StrCmp|StrCmpS|StrCpy|StrLen|SubCaption|Unicode|UninstallButtonText|UninstallCaption|UninstallIcon|UninstallSubCaption|UninstallText|UninstPage|UnRegDLL|Var|VIAddVersionKey|VIFileVersion|VIProductVersion|WindowIcon|WriteINIStr|WriteRegBin|WriteRegDWORD|WriteRegExpandStr|WriteRegStr|WriteUninstaller|XPStyle)\b/, token: "keyword"},
-    {regex: /\b(?:Function|PageEx|Section(?:Group)?)\b/, token: "keyword", indent: true},
-    {regex: /\b(?:(Function|PageEx|Section(?:Group)?)End)\b/, token: "keyword", dedent: true},
+    {regex: /^\s*(?:Abort|AddBrandingImage|AddSize|AllowRootDirInstall|AllowSkipFiles|AutoCloseWindow|BGFont|BGGradient|BrandingText|BringToFront|Call|CallInstDLL|Caption|ChangeUI|CheckBitmap|ClearErrors|CompletedText|ComponentText|CopyFiles|CRCCheck|CreateDirectory|CreateFont|CreateShortCut|Delete|DeleteINISec|DeleteINIStr|DeleteRegKey|DeleteRegValue|DetailPrint|DetailsButtonText|DirText|DirVar|DirVerify|EnableWindow|EnumRegKey|EnumRegValue|Exch|Exec|ExecShell|ExecShellWait|ExecWait|ExpandEnvStrings|File|FileBufSize|FileClose|FileErrorText|FileOpen|FileRead|FileReadByte|FileReadUTF16LE|FileReadWord|FileWriteUTF16LE|FileSeek|FileWrite|FileWriteByte|FileWriteWord|FindClose|FindFirst|FindNext|FindWindow|FlushINI|GetCurInstType|GetCurrentAddress|GetDlgItem|GetDLLVersion|GetDLLVersionLocal|GetErrorLevel|GetFileTime|GetFileTimeLocal|GetFullPathName|GetFunctionAddress|GetInstDirError|GetLabelAddress|GetTempFileName|Goto|HideWindow|Icon|IfAbort|IfErrors|IfFileExists|IfRebootFlag|IfSilent|InitPluginsDir|InstallButtonText|InstallColors|InstallDir|InstallDirRegKey|InstProgressFlags|InstType|InstTypeGetText|InstTypeSetText|Int64Cmp|Int64CmpU|Int64Fmt|IntCmp|IntCmpU|IntFmt|IntOp|IntPtrCmp|IntPtrCmpU|IntPtrOp|IsWindow|LangString|LicenseBkColor|LicenseData|LicenseForceSelection|LicenseLangString|LicenseText|LoadLanguageFile|LockWindow|LogSet|LogText|ManifestDPIAware|ManifestSupportedOS|MessageBox|MiscButtonText|Name|Nop|OutFile|Page|PageCallbacks|PEDllCharacteristics|PESubsysVer|Pop|Push|Quit|ReadEnvStr|ReadINIStr|ReadRegDWORD|ReadRegStr|Reboot|RegDLL|Rename|RequestExecutionLevel|ReserveFile|Return|RMDir|SearchPath|SectionGetFlags|SectionGetInstTypes|SectionGetSize|SectionGetText|SectionIn|SectionSetFlags|SectionSetInstTypes|SectionSetSize|SectionSetText|SendMessage|SetAutoClose|SetBrandingImage|SetCompress|SetCompressor|SetCompressorDictSize|SetCtlColors|SetCurInstType|SetDatablockOptimize|SetDateSave|SetDetailsPrint|SetDetailsView|SetErrorLevel|SetErrors|SetFileAttributes|SetFont|SetOutPath|SetOverwrite|SetRebootFlag|SetRegView|SetShellVarContext|SetSilent|ShowInstDetails|ShowUninstDetails|ShowWindow|SilentInstall|SilentUnInstall|Sleep|SpaceTexts|StrCmp|StrCmpS|StrCpy|StrLen|SubCaption|Unicode|UninstallButtonText|UninstallCaption|UninstallIcon|UninstallSubCaption|UninstallText|UninstPage|UnRegDLL|Var|VIAddVersionKey|VIFileVersion|VIProductVersion|WindowIcon|WriteINIStr|WriteRegBin|WriteRegDWORD|WriteRegExpandStr|WriteRegMultiStr|WriteRegNone|WriteRegStr|WriteUninstaller|XPStyle)\b/, token: "keyword"},
+    {regex: /^\s*(?:Function|PageEx|Section(?:Group)?)\b/, token: "keyword", indent: true},
+    {regex: /^\s*(?:(Function|PageEx|Section(?:Group)?)End)\b/, token: "keyword", dedent: true},
 
     // Command Options
-    {regex: /\b(?:ARCHIVE|FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_NORMAL|FILE_ATTRIBUTE_OFFLINE|FILE_ATTRIBUTE_READONLY|FILE_ATTRIBUTE_SYSTEM|FILE_ATTRIBUTE_TEMPORARY|HIDDEN|HKCC|HKCR|HKCU|HKDD|HKEY_CLASSES_ROOT|HKEY_CURRENT_CONFIG|HKEY_CURRENT_USER|HKEY_DYN_DATA|HKEY_LOCAL_MACHINE|HKEY_PERFORMANCE_DATA|HKEY_USERS|HKLM|HKPD|HKU|IDABORT|IDCANCEL|IDD_DIR|IDD_INST|IDD_INSTFILES|IDD_LICENSE|IDD_SELCOM|IDD_UNINST|IDD_VERIFY|IDIGNORE|IDNO|IDOK|IDRETRY|IDYES|MB_ABORTRETRYIGNORE|MB_DEFBUTTON1|MB_DEFBUTTON2|MB_DEFBUTTON3|MB_DEFBUTTON4|MB_ICONEXCLAMATION|MB_ICONINFORMATION|MB_ICONQUESTION|MB_ICONSTOP|MB_OK|MB_OKCANCEL|MB_RETRYCANCEL|MB_RIGHT|MB_RTLREADING|MB_SETFOREGROUND|MB_TOPMOST|MB_USERICON|MB_YESNO|MB_YESNOCANCEL|NORMAL|OFFLINE|READONLY|SHCTX|SHELL_CONTEXT|SW_HIDE|SW_SHOWDEFAULT|SW_SHOWMAXIMIZED|SW_SHOWMINIMIZED|SW_SHOWNORMAL|SYSTEM|TEMPORARY)\b/, token: "atom"},
-    {regex: /\b(?:admin|all|auto|both|bottom|bzip2|components|current|custom|directory|force|hide|highest|ifdiff|ifnewer|instfiles|lastused|leave|left|license|listonly|lzma|nevershow|none|normal|notset|right|show|silent|silentlog|textonly|top|try|un\.components|un\.custom|un\.directory|un\.instfiles|un\.license|uninstConfirm|user|Win10|Win7|Win8|WinVista|zlib)\b/, token: "builtin"},
+    {regex: /\b(?:ARCHIVE|FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_NORMAL|FILE_ATTRIBUTE_OFFLINE|FILE_ATTRIBUTE_READONLY|FILE_ATTRIBUTE_SYSTEM|FILE_ATTRIBUTE_TEMPORARY|HIDDEN|HKCC|HKCR(32|64)?|HKCU(32|64)?|HKDD|HKEY_CLASSES_ROOT|HKEY_CURRENT_CONFIG|HKEY_CURRENT_USER|HKEY_DYN_DATA|HKEY_LOCAL_MACHINE|HKEY_PERFORMANCE_DATA|HKEY_USERS|HKLM(32|64)?|HKPD|HKU|IDABORT|IDCANCEL|IDD_DIR|IDD_INST|IDD_INSTFILES|IDD_LICENSE|IDD_SELCOM|IDD_UNINST|IDD_VERIFY|IDIGNORE|IDNO|IDOK|IDRETRY|IDYES|MB_ABORTRETRYIGNORE|MB_DEFBUTTON1|MB_DEFBUTTON2|MB_DEFBUTTON3|MB_DEFBUTTON4|MB_ICONEXCLAMATION|MB_ICONINFORMATION|MB_ICONQUESTION|MB_ICONSTOP|MB_OK|MB_OKCANCEL|MB_RETRYCANCEL|MB_RIGHT|MB_RTLREADING|MB_SETFOREGROUND|MB_TOPMOST|MB_USERICON|MB_YESNO|MB_YESNOCANCEL|NORMAL|OFFLINE|READONLY|SHCTX|SHELL_CONTEXT|SW_HIDE|SW_SHOWDEFAULT|SW_SHOWMAXIMIZED|SW_SHOWMINIMIZED|SW_SHOWNORMAL|SYSTEM|TEMPORARY)\b/, token: "atom"},
+    {regex: /\b(?:admin|all|auto|both|bottom|bzip2|components|current|custom|directory|false|force|hide|highest|ifdiff|ifnewer|instfiles|lastused|leave|left|license|listonly|lzma|nevershow|none|normal|notset|off|on|right|show|silent|silentlog|textonly|top|true|try|un\.components|un\.custom|un\.directory|un\.instfiles|un\.license|uninstConfirm|user|Win10|Win7|Win8|WinVista|zlib)\b/, token: "builtin"},
 
     // LogicLib.nsh
     {regex: /\$\{(?:And(?:If(?:Not)?|Unless)|Break|Case(?:Else)?|Continue|Default|Do(?:Until|While)?|Else(?:If(?:Not)?|Unless)?|End(?:If|Select|Switch)|Exit(?:Do|For|While)|For(?:Each)?|If(?:Cmd|Not(?:Then)?|Then)?|Loop(?:Until|While)?|Or(?:If(?:Not)?|Unless)|Select|Switch|Unless|While)\}/, token: "variable-2", indent: true},
@@ -71,13 +71,13 b' CodeMirror.defineSimpleMode("nsis",{'
     {regex: /[-+\/*=<>!]+/, token: "operator"},
 
     // Variable
-    {regex: /\$[\w]+/, token: "variable"},
+    {regex: /\$\w+/, token: "variable"},
 
     // Constant
-    {regex: /\${[\w]+}/,token: "variable-2"},
+    {regex: /\${[\w\.:-]+}/, token: "variable-2"},
 
     // Language String
-    {regex: /\$\([\w]+\)/,token: "variable-3"}
+    {regex: /\$\([\w\.:-]+\)/, token: "variable-3"}
   ],
   comment: [
     {regex: /.*?\*\//, token: "comment", next: "start"},

rhodecode/public/js/mode/ntriples/ntriples.js

@@ -1,11 +1,11 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 /**********************************************************
 * This script provides syntax highlighting support for
-* the Ntriples format.
-* Ntriples format specification:
-*     http://www.w3.org/TR/rdf-testcases/#ntriples
+* the N-Triples format.
+* N-Triples format specification:
+*     https://www.w3.org/TR/n-triples/
 ***********************************************************/
 
 /*
@@ -181,6 +181,15 b' CodeMirror.defineMode("ntriples", functi'
   };
 });
 
+// define the registered Media Type for n-triples:
+// https://www.w3.org/TR/n-triples/#n-triples-mediatype
+CodeMirror.defineMIME("application/n-triples", "ntriples");
+
+// N-Quads is based on the N-Triples format (so same highlighting works)
+// https://www.w3.org/TR/n-quads/
+CodeMirror.defineMIME("application/n-quads", "ntriples");
+
+// previously used, though technically incorrect media type for n-triples
 CodeMirror.defineMIME("text/n-triples", "ntriples");
 
 });

rhodecode/public/js/mode/octave/octave.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -17,7 +17,7 b' CodeMirror.defineMode("octave", function'
   }
 
   var singleOperators = new RegExp("^[\\+\\-\\*/&|\\^~<>!@'\\\\]");
-  var singleDelimiters = new RegExp('^[\\(\\[\\{\\},:=;]');
+  var singleDelimiters = new RegExp('^[\\(\\[\\{\\},:=;\\.]');
   var doubleOperators = new RegExp("^((==)|(~=)|(<=)|(>=)|(<<)|(>>)|(\\.[\\+\\-\\*/\\^\\\\]))");
   var doubleDelimiters = new RegExp("^((!=)|(\\+=)|(\\-=)|(\\*=)|(/=)|(&=)|(\\|=)|(\\^=))");
   var tripleDelimiters = new RegExp("^((>>=)|(<<=))");
@@ -90,8 +90,8 b' CodeMirror.defineMode("octave", function'
     if (stream.match(wordRegexp(['nan','NaN','inf','Inf']))) { return 'number'; };
 
     // Handle Strings
-    if (stream.match(/^"([^"]|(""))*"/)) { return 'string'; } ;
-    if (stream.match(/^'([^']|(''))*'/)) { return 'string'; } ;
+    var m = stream.match(/^"(?:[^"]|"")*("|$)/) || stream.match(/^'(?:[^']|'')*('|$)/)
+    if (m) { return m[1] ? 'string' : "string error"; }
 
     // Handle words
     if (stream.match(keywords)) { return 'keyword'; } ;
@@ -126,7 +126,11 b' CodeMirror.defineMode("octave", function'
         state.tokenize = tokenTranspose;
       }
       return style;
-    }
+    },
+
+    lineComment: '%',
+
+    fold: 'indent'
   };
 });
 

rhodecode/public/js/mode/oz/oz.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -27,7 +27,7 b' CodeMirror.defineMode("oz", function (co'
 
   var atoms = wordRegexp(["true", "false", "nil", "unit"]);
   var commonKeywords = wordRegexp(["andthen", "at", "attr", "declare", "feat", "from", "lex",
-    "mod", "mode", "orelse", "parser", "prod", "prop", "scanner", "self", "syn", "token"]);
+    "mod", "div", "mode", "orelse", "parser", "prod", "prop", "scanner", "self", "syn", "token"]);
   var openingKeywords = wordRegexp(["local", "proc", "fun", "case", "class", "if", "cond", "or", "dis",
     "choice", "not", "thread", "try", "raise", "lock", "for", "suchthat", "meth", "functor"]);
   var middleKeywords = wordRegexp(middle);

rhodecode/public/js/mode/pascal/pascal.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -17,9 +17,21 b' CodeMirror.defineMode("pascal", function'
     for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
     return obj;
   }
-  var keywords = words("and array begin case const div do downto else end file for forward integer " +
-                       "boolean char function goto if in label mod nil not of or packed procedure " +
-                       "program record repeat set string then to type until var while with");
+  var keywords = words(
+    "absolute and array asm begin case const constructor destructor div do " +
+    "downto else end file for function goto if implementation in inherited " +
+    "inline interface label mod nil not object of operator or packed procedure " +
+    "program record reintroduce repeat self set shl shr string then to type " +
+    "unit until uses var while with xor as class dispinterface except exports " +
+    "finalization finally initialization inline is library on out packed " +
+    "property raise resourcestring threadvar try absolute abstract alias " +
+    "assembler bitpacked break cdecl continue cppdecl cvar default deprecated " +
+    "dynamic enumerator experimental export external far far16 forward generic " +
+    "helper implements index interrupt iocheck local message name near " +
+    "nodefault noreturn nostackframe oldfpccall otherwise overload override " +
+    "pascal platform private protected public published read register " +
+    "reintroduce result safecall saveregisters softfloat specialize static " +
+    "stdcall stored strict unaligned unimplemented varargs virtual write");
   var atoms = {"null": true};
 
   var isOperatorChar = /[+\-*&%=<>!?|\/]/;

rhodecode/public/js/mode/pegjs/pegjs.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -24,7 +24,7 b' CodeMirror.defineMode("pegjs", function '
         inString: false,
         stringType: null,
         inComment: false,
-        inChracterClass: false,
+        inCharacterClass: false,
         braced: 0,
         lhs: true,
         localState: null
@@ -66,22 +66,22 b' CodeMirror.defineMode("pegjs", function '
           }
         }
         return "comment";
-      } else if (state.inChracterClass) {
-          while (state.inChracterClass && !stream.eol()) {
+      } else if (state.inCharacterClass) {
+          while (state.inCharacterClass && !stream.eol()) {
             if (!(stream.match(/^[^\]\\]+/) || stream.match(/^\\./))) {
-              state.inChracterClass = false;
+              state.inCharacterClass = false;
             }
           }
       } else if (stream.peek() === '[') {
         stream.next();
-        state.inChracterClass = true;
+        state.inCharacterClass = true;
         return 'bracket';
       } else if (stream.match(/^\/\//)) {
         stream.skipToEnd();
         return "comment";
       } else if (state.braced || stream.peek() === '{') {
         if (state.localState === null) {
-          state.localState = jsMode.startState();
+          state.localState = CodeMirror.startState(jsMode);
         }
         var token = jsMode.token(stream, state.localState);
         var text = stream.current();

rhodecode/public/js/mode/perl/perl.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 // CodeMirror2 mode/perl/perl.js (text/x-perl) beta 0.10 (2011-11-08)
 // This is a part of CodeMirror from https://github.com/sabaca/CodeMirror_mode_perl ([e-mail])
@@ -268,7 +268,7 b' CodeMirror.defineMode("perl",function(){'
                 chmod                           :1,     // - changes the permissions on a list of files
                 chomp                           :1,     // - remove a trailing record separator from a string
                 chop                            :1,     // - remove the last character from a string
-                chown                           :1,     // - change the owership on a list of files
+                chown                           :1,     // - change the ownership on a list of files
                 chr                             :1,     // - get character this number represents
                 chroot                          :1,     // - make directory new root for path lookups
                 close                           :1,     // - close file (or pipe or socket) handle

rhodecode/public/js/mode/php/php.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -86,7 +86,7 b''
     "die echo empty exit eval include include_once isset list require require_once return " +
     "print unset __halt_compiler self static parent yield insteadof finally";
   var phpAtoms = "true false null TRUE FALSE NULL __CLASS__ __DIR__ __FILE__ __LINE__ __METHOD__ __FUNCTION__ __NAMESPACE__ __TRAIT__";
-  var phpBuiltin = "func_num_args func_get_arg func_get_args strlen strcmp strncmp strcasecmp strncasecmp each error_reporting define defined trigger_error user_error set_error_handler restore_error_handler get_declared_classes get_loaded_extensions extension_loaded get_extension_funcs debug_backtrace constant bin2hex hex2bin sleep usleep time mktime gmmktime strftime gmstrftime strtotime date gmdate getdate localtime checkdate flush wordwrap htmlspecialchars htmlentities html_entity_decode md5 md5_file crc32 getimagesize image_type_to_mime_type phpinfo phpversion phpcredits strnatcmp strnatcasecmp substr_count strspn strcspn strtok strtoupper strtolower strpos strrpos strrev hebrev hebrevc nl2br basename dirname pathinfo stripslashes stripcslashes strstr stristr strrchr str_shuffle str_word_count strcoll substr substr_replace quotemeta ucfirst ucwords strtr addslashes addcslashes rtrim str_replace str_repeat count_chars chunk_split trim ltrim strip_tags similar_text explode implode setlocale localeconv parse_str str_pad chop strchr sprintf printf vprintf vsprintf sscanf fscanf parse_url urlencode urldecode rawurlencode rawurldecode readlink linkinfo link unlink exec system escapeshellcmd escapeshellarg passthru shell_exec proc_open proc_close rand srand getrandmax mt_rand mt_srand mt_getrandmax base64_decode base64_encode abs ceil floor round is_finite is_nan is_infinite bindec hexdec octdec decbin decoct dechex base_convert number_format fmod ip2long long2ip getenv putenv getopt microtime gettimeofday getrusage uniqid quoted_printable_decode set_time_limit get_cfg_var magic_quotes_runtime set_magic_quotes_runtime get_magic_quotes_gpc get_magic_quotes_runtime import_request_variables error_log serialize unserialize memory_get_usage var_dump var_export debug_zval_dump print_r highlight_file show_source highlight_string ini_get ini_get_all ini_set ini_alter ini_restore get_include_path set_include_path restore_include_path setcookie header headers_sent connection_aborted connection_status ignore_user_abort parse_ini_file is_uploaded_file move_uploaded_file intval floatval doubleval strval gettype settype is_null is_resource is_bool is_long is_float is_int is_integer is_double is_real is_numeric is_string is_array is_object is_scalar ereg ereg_replace eregi eregi_replace split spliti join sql_regcase dl pclose popen readfile rewind rmdir umask fclose feof fgetc fgets fgetss fread fopen fpassthru ftruncate fstat fseek ftell fflush fwrite fputs mkdir rename copy tempnam tmpfile file file_get_contents file_put_contents stream_select stream_context_create stream_context_set_params stream_context_set_option stream_context_get_options stream_filter_prepend stream_filter_append fgetcsv flock get_meta_tags stream_set_write_buffer set_file_buffer set_socket_blocking stream_set_blocking socket_set_blocking stream_get_meta_data stream_register_wrapper stream_wrapper_register stream_set_timeout socket_set_timeout socket_get_status realpath fnmatch fsockopen pfsockopen pack unpack get_browser crypt opendir closedir chdir getcwd rewinddir readdir dir glob fileatime filectime filegroup fileinode filemtime fileowner fileperms filesize filetype file_exists is_writable is_writeable is_readable is_executable is_file is_dir is_link stat lstat chown touch clearstatcache mail ob_start ob_flush ob_clean ob_end_flush ob_end_clean ob_get_flush ob_get_clean ob_get_length ob_get_level ob_get_status ob_get_contents ob_implicit_flush ob_list_handlers ksort krsort natsort natcasesort asort arsort sort rsort usort uasort uksort shuffle array_walk count end prev next reset current key min max in_array array_search extract compact array_fill range array_multisort array_push array_pop array_shift array_unshift array_splice array_slice array_merge array_merge_recursive array_keys array_values array_count_values array_reverse array_reduce array_pad array_flip array_change_key_case array_rand array_unique array_intersect array_intersect_assoc array_diff array_diff_assoc array_sum array_filter array_map array_chunk array_key_exists pos sizeof key_exists assert assert_options version_compare ftok str_rot13 aggregate session_name session_module_name session_save_path session_id session_regenerate_id session_decode session_register session_unregister session_is_registered session_encode session_start session_destroy session_unset session_set_save_handler session_cache_limiter session_cache_expire session_set_cookie_params session_get_cookie_params session_write_close preg_match preg_match_all preg_replace preg_replace_callback preg_split preg_quote preg_grep overload ctype_alnum ctype_alpha ctype_cntrl ctype_digit ctype_lower ctype_graph ctype_print ctype_punct ctype_space ctype_upper ctype_xdigit virtual apache_request_headers apache_note apache_lookup_uri apache_child_terminate apache_setenv apache_response_headers apache_get_version getallheaders mysql_connect mysql_pconnect mysql_close mysql_select_db mysql_create_db mysql_drop_db mysql_query mysql_unbuffered_query mysql_db_query mysql_list_dbs mysql_list_tables mysql_list_fields mysql_list_processes mysql_error mysql_errno mysql_affected_rows mysql_insert_id mysql_result mysql_num_rows mysql_num_fields mysql_fetch_row mysql_fetch_array mysql_fetch_assoc mysql_fetch_object mysql_data_seek mysql_fetch_lengths mysql_fetch_field mysql_field_seek mysql_free_result mysql_field_name mysql_field_table mysql_field_len mysql_field_type mysql_field_flags mysql_escape_string mysql_real_escape_string mysql_stat mysql_thread_id mysql_client_encoding mysql_get_client_info mysql_get_host_info mysql_get_proto_info mysql_get_server_info mysql_info mysql mysql_fieldname mysql_fieldtable mysql_fieldlen mysql_fieldtype mysql_fieldflags mysql_selectdb mysql_createdb mysql_dropdb mysql_freeresult mysql_numfields mysql_numrows mysql_listdbs mysql_listtables mysql_listfields mysql_db_name mysql_dbname mysql_tablename mysql_table_name pg_connect pg_pconnect pg_close pg_connection_status pg_connection_busy pg_connection_reset pg_host pg_dbname pg_port pg_tty pg_options pg_ping pg_query pg_send_query pg_cancel_query pg_fetch_result pg_fetch_row pg_fetch_assoc pg_fetch_array pg_fetch_object pg_fetch_all pg_affected_rows pg_get_result pg_result_seek pg_result_status pg_free_result pg_last_oid pg_num_rows pg_num_fields pg_field_name pg_field_num pg_field_size pg_field_type pg_field_prtlen pg_field_is_null pg_get_notify pg_get_pid pg_result_error pg_last_error pg_last_notice pg_put_line pg_end_copy pg_copy_to pg_copy_from pg_trace pg_untrace pg_lo_create pg_lo_unlink pg_lo_open pg_lo_close pg_lo_read pg_lo_write pg_lo_read_all pg_lo_import pg_lo_export pg_lo_seek pg_lo_tell pg_escape_string pg_escape_bytea pg_unescape_bytea pg_client_encoding pg_set_client_encoding pg_meta_data pg_convert pg_insert pg_update pg_delete pg_select pg_exec pg_getlastoid pg_cmdtuples pg_errormessage pg_numrows pg_numfields pg_fieldname pg_fieldsize pg_fieldtype pg_fieldnum pg_fieldprtlen pg_fieldisnull pg_freeresult pg_result pg_loreadall pg_locreate pg_lounlink pg_loopen pg_loclose pg_loread pg_lowrite pg_loimport pg_loexport http_response_code get_declared_traits getimagesizefromstring socket_import_stream stream_set_chunk_size trait_exists header_register_callback class_uses session_status session_register_shutdown echo print global static exit array empty eval isset unset die include require include_once require_once json_decode json_encode json_last_error json_last_error_msg curl_close curl_copy_handle curl_errno curl_error curl_escape curl_exec curl_file_create curl_getinfo curl_init curl_multi_add_handle curl_multi_close curl_multi_exec curl_multi_getcontent curl_multi_info_read curl_multi_init curl_multi_remove_handle curl_multi_select curl_multi_setopt curl_multi_strerror curl_pause curl_reset curl_setopt_array curl_setopt curl_share_close curl_share_init curl_share_setopt curl_strerror curl_unescape curl_version mysqli_affected_rows mysqli_autocommit mysqli_change_user mysqli_character_set_name mysqli_close mysqli_commit mysqli_connect_errno mysqli_connect_error mysqli_connect mysqli_data_seek mysqli_debug mysqli_dump_debug_info mysqli_errno mysqli_error_list mysqli_error mysqli_fetch_all mysqli_fetch_array mysqli_fetch_assoc mysqli_fetch_field_direct mysqli_fetch_field mysqli_fetch_fields mysqli_fetch_lengths mysqli_fetch_object mysqli_fetch_row mysqli_field_count mysqli_field_seek mysqli_field_tell mysqli_free_result mysqli_get_charset mysqli_get_client_info mysqli_get_client_stats mysqli_get_client_version mysqli_get_connection_stats mysqli_get_host_info mysqli_get_proto_info mysqli_get_server_info mysqli_get_server_version mysqli_info mysqli_init mysqli_insert_id mysqli_kill mysqli_more_results mysqli_multi_query mysqli_next_result mysqli_num_fields mysqli_num_rows mysqli_options mysqli_ping mysqli_prepare mysqli_query mysqli_real_connect mysqli_real_escape_string mysqli_real_query mysqli_reap_async_query mysqli_refresh mysqli_rollback mysqli_select_db mysqli_set_charset mysqli_set_local_infile_default mysqli_set_local_infile_handler mysqli_sqlstate mysqli_ssl_set mysqli_stat mysqli_stmt_init mysqli_store_result mysqli_thread_id mysqli_thread_safe mysqli_use_result mysqli_warning_count";
+  var phpBuiltin = "func_num_args func_get_arg func_get_args strlen strcmp strncmp strcasecmp strncasecmp each error_reporting define defined trigger_error user_error set_error_handler restore_error_handler get_declared_classes get_loaded_extensions extension_loaded get_extension_funcs debug_backtrace constant bin2hex hex2bin sleep usleep time mktime gmmktime strftime gmstrftime strtotime date gmdate getdate localtime checkdate flush wordwrap htmlspecialchars htmlentities html_entity_decode md5 md5_file crc32 getimagesize image_type_to_mime_type phpinfo phpversion phpcredits strnatcmp strnatcasecmp substr_count strspn strcspn strtok strtoupper strtolower strpos strrpos strrev hebrev hebrevc nl2br basename dirname pathinfo stripslashes stripcslashes strstr stristr strrchr str_shuffle str_word_count strcoll substr substr_replace quotemeta ucfirst ucwords strtr addslashes addcslashes rtrim str_replace str_repeat count_chars chunk_split trim ltrim strip_tags similar_text explode implode setlocale localeconv parse_str str_pad chop strchr sprintf printf vprintf vsprintf sscanf fscanf parse_url urlencode urldecode rawurlencode rawurldecode readlink linkinfo link unlink exec system escapeshellcmd escapeshellarg passthru shell_exec proc_open proc_close rand srand getrandmax mt_rand mt_srand mt_getrandmax base64_decode base64_encode abs ceil floor round is_finite is_nan is_infinite bindec hexdec octdec decbin decoct dechex base_convert number_format fmod ip2long long2ip getenv putenv getopt microtime gettimeofday getrusage uniqid quoted_printable_decode set_time_limit get_cfg_var magic_quotes_runtime set_magic_quotes_runtime get_magic_quotes_gpc get_magic_quotes_runtime import_request_variables error_log serialize unserialize memory_get_usage var_dump var_export debug_zval_dump print_r highlight_file show_source highlight_string ini_get ini_get_all ini_set ini_alter ini_restore get_include_path set_include_path restore_include_path setcookie header headers_sent connection_aborted connection_status ignore_user_abort parse_ini_file is_uploaded_file move_uploaded_file intval floatval doubleval strval gettype settype is_null is_resource is_bool is_long is_float is_int is_integer is_double is_real is_numeric is_string is_array is_object is_scalar ereg ereg_replace eregi eregi_replace split spliti join sql_regcase dl pclose popen readfile rewind rmdir umask fclose feof fgetc fgets fgetss fread fopen fpassthru ftruncate fstat fseek ftell fflush fwrite fputs mkdir rename copy tempnam tmpfile file file_get_contents file_put_contents stream_select stream_context_create stream_context_set_params stream_context_set_option stream_context_get_options stream_filter_prepend stream_filter_append fgetcsv flock get_meta_tags stream_set_write_buffer set_file_buffer set_socket_blocking stream_set_blocking socket_set_blocking stream_get_meta_data stream_register_wrapper stream_wrapper_register stream_set_timeout socket_set_timeout socket_get_status realpath fnmatch fsockopen pfsockopen pack unpack get_browser crypt opendir closedir chdir getcwd rewinddir readdir dir glob fileatime filectime filegroup fileinode filemtime fileowner fileperms filesize filetype file_exists is_writable is_writeable is_readable is_executable is_file is_dir is_link stat lstat chown touch clearstatcache mail ob_start ob_flush ob_clean ob_end_flush ob_end_clean ob_get_flush ob_get_clean ob_get_length ob_get_level ob_get_status ob_get_contents ob_implicit_flush ob_list_handlers ksort krsort natsort natcasesort asort arsort sort rsort usort uasort uksort shuffle array_walk count end prev next reset current key min max in_array array_search extract compact array_fill range array_multisort array_push array_pop array_shift array_unshift array_splice array_slice array_merge array_merge_recursive array_keys array_values array_count_values array_reverse array_reduce array_pad array_flip array_change_key_case array_rand array_unique array_intersect array_intersect_assoc array_diff array_diff_assoc array_sum array_filter array_map array_chunk array_key_exists array_intersect_key array_combine array_column pos sizeof key_exists assert assert_options version_compare ftok str_rot13 aggregate session_name session_module_name session_save_path session_id session_regenerate_id session_decode session_register session_unregister session_is_registered session_encode session_start session_destroy session_unset session_set_save_handler session_cache_limiter session_cache_expire session_set_cookie_params session_get_cookie_params session_write_close preg_match preg_match_all preg_replace preg_replace_callback preg_split preg_quote preg_grep overload ctype_alnum ctype_alpha ctype_cntrl ctype_digit ctype_lower ctype_graph ctype_print ctype_punct ctype_space ctype_upper ctype_xdigit virtual apache_request_headers apache_note apache_lookup_uri apache_child_terminate apache_setenv apache_response_headers apache_get_version getallheaders mysql_connect mysql_pconnect mysql_close mysql_select_db mysql_create_db mysql_drop_db mysql_query mysql_unbuffered_query mysql_db_query mysql_list_dbs mysql_list_tables mysql_list_fields mysql_list_processes mysql_error mysql_errno mysql_affected_rows mysql_insert_id mysql_result mysql_num_rows mysql_num_fields mysql_fetch_row mysql_fetch_array mysql_fetch_assoc mysql_fetch_object mysql_data_seek mysql_fetch_lengths mysql_fetch_field mysql_field_seek mysql_free_result mysql_field_name mysql_field_table mysql_field_len mysql_field_type mysql_field_flags mysql_escape_string mysql_real_escape_string mysql_stat mysql_thread_id mysql_client_encoding mysql_get_client_info mysql_get_host_info mysql_get_proto_info mysql_get_server_info mysql_info mysql mysql_fieldname mysql_fieldtable mysql_fieldlen mysql_fieldtype mysql_fieldflags mysql_selectdb mysql_createdb mysql_dropdb mysql_freeresult mysql_numfields mysql_numrows mysql_listdbs mysql_listtables mysql_listfields mysql_db_name mysql_dbname mysql_tablename mysql_table_name pg_connect pg_pconnect pg_close pg_connection_status pg_connection_busy pg_connection_reset pg_host pg_dbname pg_port pg_tty pg_options pg_ping pg_query pg_send_query pg_cancel_query pg_fetch_result pg_fetch_row pg_fetch_assoc pg_fetch_array pg_fetch_object pg_fetch_all pg_affected_rows pg_get_result pg_result_seek pg_result_status pg_free_result pg_last_oid pg_num_rows pg_num_fields pg_field_name pg_field_num pg_field_size pg_field_type pg_field_prtlen pg_field_is_null pg_get_notify pg_get_pid pg_result_error pg_last_error pg_last_notice pg_put_line pg_end_copy pg_copy_to pg_copy_from pg_trace pg_untrace pg_lo_create pg_lo_unlink pg_lo_open pg_lo_close pg_lo_read pg_lo_write pg_lo_read_all pg_lo_import pg_lo_export pg_lo_seek pg_lo_tell pg_escape_string pg_escape_bytea pg_unescape_bytea pg_client_encoding pg_set_client_encoding pg_meta_data pg_convert pg_insert pg_update pg_delete pg_select pg_exec pg_getlastoid pg_cmdtuples pg_errormessage pg_numrows pg_numfields pg_fieldname pg_fieldsize pg_fieldtype pg_fieldnum pg_fieldprtlen pg_fieldisnull pg_freeresult pg_result pg_loreadall pg_locreate pg_lounlink pg_loopen pg_loclose pg_loread pg_lowrite pg_loimport pg_loexport http_response_code get_declared_traits getimagesizefromstring socket_import_stream stream_set_chunk_size trait_exists header_register_callback class_uses session_status session_register_shutdown echo print global static exit array empty eval isset unset die include require include_once require_once json_decode json_encode json_last_error json_last_error_msg curl_close curl_copy_handle curl_errno curl_error curl_escape curl_exec curl_file_create curl_getinfo curl_init curl_multi_add_handle curl_multi_close curl_multi_exec curl_multi_getcontent curl_multi_info_read curl_multi_init curl_multi_remove_handle curl_multi_select curl_multi_setopt curl_multi_strerror curl_pause curl_reset curl_setopt_array curl_setopt curl_share_close curl_share_init curl_share_setopt curl_strerror curl_unescape curl_version mysqli_affected_rows mysqli_autocommit mysqli_change_user mysqli_character_set_name mysqli_close mysqli_commit mysqli_connect_errno mysqli_connect_error mysqli_connect mysqli_data_seek mysqli_debug mysqli_dump_debug_info mysqli_errno mysqli_error_list mysqli_error mysqli_fetch_all mysqli_fetch_array mysqli_fetch_assoc mysqli_fetch_field_direct mysqli_fetch_field mysqli_fetch_fields mysqli_fetch_lengths mysqli_fetch_object mysqli_fetch_row mysqli_field_count mysqli_field_seek mysqli_field_tell mysqli_free_result mysqli_get_charset mysqli_get_client_info mysqli_get_client_stats mysqli_get_client_version mysqli_get_connection_stats mysqli_get_host_info mysqli_get_proto_info mysqli_get_server_info mysqli_get_server_version mysqli_info mysqli_init mysqli_insert_id mysqli_kill mysqli_more_results mysqli_multi_query mysqli_next_result mysqli_num_fields mysqli_num_rows mysqli_options mysqli_ping mysqli_prepare mysqli_query mysqli_real_connect mysqli_real_escape_string mysqli_real_query mysqli_reap_async_query mysqli_refresh mysqli_rollback mysqli_select_db mysqli_set_charset mysqli_set_local_infile_default mysqli_set_local_infile_handler mysqli_sqlstate mysqli_ssl_set mysqli_stat mysqli_stmt_init mysqli_store_result mysqli_thread_id mysqli_thread_safe mysqli_use_result mysqli_warning_count";
   CodeMirror.registerHelper("hintWords", "php", [phpKeywords, phpAtoms, phpBuiltin].join(" ").split(" "));
   CodeMirror.registerHelper("wordChars", "php", /[\w$]/);
 
@@ -151,7 +151,7 b''
   };
 
   CodeMirror.defineMode("php", function(config, parserConfig) {
-    var htmlMode = CodeMirror.getMode(config, "text/html");
+    var htmlMode = CodeMirror.getMode(config, (parserConfig && parserConfig.htmlMode) || "text/html");
     var phpMode = CodeMirror.getMode(config, phpConfig);
 
     function dispatch(stream, state) {
@@ -160,7 +160,7 b''
       if (!isPHP) {
         if (stream.match(/^<\?\w*/)) {
           state.curMode = phpMode;
-          if (!state.php) state.php = CodeMirror.startState(phpMode, htmlMode.indent(state.html, ""))
+          if (!state.php) state.php = CodeMirror.startState(phpMode, htmlMode.indent(state.html, "", ""))
           state.curState = state.php;
           return "meta";
         }
@@ -213,11 +213,11 b''
 
       token: dispatch,
 
-      indent: function(state, textAfter) {
+      indent: function(state, textAfter, line) {
         if ((state.curMode != phpMode && /^\s*<\//.test(textAfter)) ||
             (state.curMode == phpMode && /^\?>/.test(textAfter)))
-          return htmlMode.indent(state.html, textAfter);
-        return state.curMode.indent(state.curState, textAfter);
+          return htmlMode.indent(state.html, textAfter, line);
+        return state.curMode.indent(state.curState, textAfter, line);
       },
 
       blockCommentStart: "/*",

rhodecode/public/js/mode/pig/pig.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 /*
  *      Pig Latin Mode for CodeMirror 2

rhodecode/public/js/mode/properties/properties.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -34,7 +34,7 b' CodeMirror.defineMode("properties", func'
       }
 
       if (sol) {
-        while(stream.eatSpace());
+        while(stream.eatSpace()) {}
       }
 
       var ch = stream.next();

rhodecode/public/js/mode/puppet/puppet.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -126,7 +126,7 b' CodeMirror.defineMode("puppet", function'
     if (word && words.hasOwnProperty(word)) {
       // Negates the initial next()
       stream.backUp(1);
-      // Acutally move the stream
+      // rs move the stream
       stream.match(/[\w]+/);
       // We want to process these words differently
       // do to the importance they have in Puppet

rhodecode/public/js/mode/python/python.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -32,13 +32,6 b''
                         "sorted", "staticmethod", "str", "sum", "super", "tuple",
                         "type", "vars", "zip", "__import__", "NotImplemented",
                         "Ellipsis", "__debug__"];
-  var py2 = {builtins: ["apply", "basestring", "buffer", "cmp", "coerce", "execfile",
-                        "file", "intern", "long", "raw_input", "reduce", "reload",
-                        "unichr", "unicode", "xrange", "False", "True", "None"],
-             keywords: ["exec", "print"]};
-  var py3 = {builtins: ["ascii", "bytes", "exec", "print"],
-             keywords: ["nonlocal", "False", "True", "None", "async", "await"]};
-
   CodeMirror.registerHelper("hintWords", "python", commonKeywords.concat(commonBuiltins));
 
   function top(state) {
@@ -48,51 +41,51 b''
   CodeMirror.defineMode("python", function(conf, parserConf) {
     var ERRORCLASS = "error";
 
-    var singleDelimiters = parserConf.singleDelimiters || /^[\(\)\[\]\{\}@,:`=;\.]/;
-    var doubleOperators = parserConf.doubleOperators || /^([!<>]==|<>|<<|>>|\/\/|\*\*)/;
-    var doubleDelimiters = parserConf.doubleDelimiters || /^(\+=|\-=|\*=|%=|\/=|&=|\|=|\^=)/;
-    var tripleDelimiters = parserConf.tripleDelimiters || /^(\/\/=|>>=|<<=|\*\*=)/;
-
-    if (parserConf.version && parseInt(parserConf.version, 10) == 3){
-        // since http://legacy.python.org/dev/peps/pep-0465/ @ is also an operator
-        var singleOperators = parserConf.singleOperators || /^[\+\-\*\/%&|\^~<>!@]/;
-        var identifiers = parserConf.identifiers|| /^[_A-Za-z\u00A1-\uFFFF][_A-Za-z0-9\u00A1-\uFFFF]*/;
-    } else {
-        var singleOperators = parserConf.singleOperators || /^[\+\-\*\/%&|\^~<>!]/;
-        var identifiers = parserConf.identifiers|| /^[_A-Za-z][_A-Za-z0-9]*/;
-    }
+    var delimiters = parserConf.delimiters || parserConf.singleDelimiters || /^[\(\)\[\]\{\}@,:`=;\.\\]/;
+    //               (Backwards-compatiblity with old, cumbersome config system)
+    var operators = [parserConf.singleOperators, parserConf.doubleOperators, parserConf.doubleDelimiters, parserConf.tripleDelimiters,
+                     parserConf.operators || /^([-+*/%\/&|^]=?|[<>=]+|\/\/=?|\*\*=?|!=|[~!@]|\.\.\.)/]
+    for (var i = 0; i < operators.length; i++) if (!operators[i]) operators.splice(i--, 1)
 
     var hangingIndent = parserConf.hangingIndent || conf.indentUnit;
 
     var myKeywords = commonKeywords, myBuiltins = commonBuiltins;
-    if(parserConf.extra_keywords != undefined){
+    if (parserConf.extra_keywords != undefined)
       myKeywords = myKeywords.concat(parserConf.extra_keywords);
-    }
-    if(parserConf.extra_builtins != undefined){
+
+    if (parserConf.extra_builtins != undefined)
       myBuiltins = myBuiltins.concat(parserConf.extra_builtins);
-    }
-    if (parserConf.version && parseInt(parserConf.version, 10) == 3) {
-      myKeywords = myKeywords.concat(py3.keywords);
-      myBuiltins = myBuiltins.concat(py3.builtins);
-      var stringPrefixes = new RegExp("^(([rb]|(br))?('{3}|\"{3}|['\"]))", "i");
+
+    var py3 = !(parserConf.version && Number(parserConf.version) < 3)
+    if (py3) {
+      // since http://legacy.python.org/dev/peps/pep-0465/ @ is also an operator
+      var identifiers = parserConf.identifiers|| /^[_A-Za-z\u00A1-\uFFFF][_A-Za-z0-9\u00A1-\uFFFF]*/;
+      myKeywords = myKeywords.concat(["nonlocal", "False", "True", "None", "async", "await"]);
+      myBuiltins = myBuiltins.concat(["ascii", "bytes", "exec", "print"]);
+      var stringPrefixes = new RegExp("^(([rbuf]|(br)|(fr))?('{3}|\"{3}|['\"]))", "i");
     } else {
-      myKeywords = myKeywords.concat(py2.keywords);
-      myBuiltins = myBuiltins.concat(py2.builtins);
-      var stringPrefixes = new RegExp("^(([rub]|(ur)|(br))?('{3}|\"{3}|['\"]))", "i");
+      var identifiers = parserConf.identifiers|| /^[_A-Za-z][_A-Za-z0-9]*/;
+      myKeywords = myKeywords.concat(["exec", "print"]);
+      myBuiltins = myBuiltins.concat(["apply", "basestring", "buffer", "cmp", "coerce", "execfile",
+                                      "file", "intern", "long", "raw_input", "reduce", "reload",
+                                      "unichr", "unicode", "xrange", "False", "True", "None"]);
+      var stringPrefixes = new RegExp("^(([rubf]|(ur)|(br))?('{3}|\"{3}|['\"]))", "i");
     }
     var keywords = wordRegexp(myKeywords);
     var builtins = wordRegexp(myBuiltins);
 
     // tokenizers
     function tokenBase(stream, state) {
+      var sol = stream.sol() && state.lastToken != "\\"
+      if (sol) state.indent = stream.indentation()
       // Handle scope changes
-      if (stream.sol() && top(state).type == "py") {
+      if (sol && top(state).type == "py") {
         var scopeOffset = top(state).offset;
         if (stream.eatSpace()) {
           var lineOffset = stream.indentation();
           if (lineOffset > scopeOffset)
-            pushScope(stream, state, "py");
-          else if (lineOffset < scopeOffset && dedent(stream, state))
+            pushPyScope(state);
+          else if (lineOffset < scopeOffset && dedent(stream, state) && stream.peek() != "#")
             state.errorToken = true;
           return null;
         } else {
@@ -108,20 +101,15 b''
     function tokenBaseInner(stream, state) {
       if (stream.eatSpace()) return null;
 
-      var ch = stream.peek();
-
       // Handle Comments
-      if (ch == "#") {
-        stream.skipToEnd();
-        return "comment";
-      }
+      if (stream.match(/^#.*/)) return "comment";
 
       // Handle Number Literals
       if (stream.match(/^[0-9\.]/, false)) {
         var floatLiteral = false;
         // Floats
-        if (stream.match(/^\d*\.\d+(e[\+\-]?\d+)?/i)) { floatLiteral = true; }
-        if (stream.match(/^\d+\.\d*/)) { floatLiteral = true; }
+        if (stream.match(/^[\d_]*\.\d+(e[\+\-]?\d+)?/i)) { floatLiteral = true; }
+        if (stream.match(/^[\d_]+\.\d*/)) { floatLiteral = true; }
         if (stream.match(/^\.\d+/)) { floatLiteral = true; }
         if (floatLiteral) {
           // Float literals may be "imaginary"
@@ -131,13 +119,13 b''
         // Integers
         var intLiteral = false;
         // Hex
-        if (stream.match(/^0x[0-9a-f]+/i)) intLiteral = true;
+        if (stream.match(/^0x[0-9a-f_]+/i)) intLiteral = true;
         // Binary
-        if (stream.match(/^0b[01]+/i)) intLiteral = true;
+        if (stream.match(/^0b[01_]+/i)) intLiteral = true;
         // Octal
-        if (stream.match(/^0o[0-7]+/i)) intLiteral = true;
+        if (stream.match(/^0o[0-7_]+/i)) intLiteral = true;
         // Decimal
-        if (stream.match(/^[1-9]\d*(e[\+\-]?\d+)?/)) {
+        if (stream.match(/^[1-9][\d_]*(e[\+\-]?[\d_]+)?/)) {
           // Decimal literals may be "imaginary"
           stream.eat(/J/i);
           // TODO - Can you have imaginary longs?
@@ -154,19 +142,20 b''
 
       // Handle Strings
       if (stream.match(stringPrefixes)) {
-        state.tokenize = tokenStringFactory(stream.current());
-        return state.tokenize(stream, state);
+        var isFmtString = stream.current().toLowerCase().indexOf('f') !== -1;
+        if (!isFmtString) {
+          state.tokenize = tokenStringFactory(stream.current(), state.tokenize);
+          return state.tokenize(stream, state);
+        } else {
+          state.tokenize = formatStringFactory(stream.current(), state.tokenize);
+          return state.tokenize(stream, state);
+        }
       }
 
-      // Handle operators and Delimiters
-      if (stream.match(tripleDelimiters) || stream.match(doubleDelimiters))
-        return "punctuation";
+      for (var i = 0; i < operators.length; i++)
+        if (stream.match(operators[i])) return "operator"
 
-      if (stream.match(doubleOperators) || stream.match(singleOperators))
-        return "operator";
-
-      if (stream.match(singleDelimiters))
-        return "punctuation";
+      if (stream.match(delimiters)) return "punctuation";
 
       if (state.lastToken == "." && stream.match(identifiers))
         return "property";
@@ -191,8 +180,69 b''
       return ERRORCLASS;
     }
 
-    function tokenStringFactory(delimiter) {
-      while ("rub".indexOf(delimiter.charAt(0).toLowerCase()) >= 0)
+    function formatStringFactory(delimiter, tokenOuter) {
+      while ("rubf".indexOf(delimiter.charAt(0).toLowerCase()) >= 0)
+        delimiter = delimiter.substr(1);
+
+      var singleline = delimiter.length == 1;
+      var OUTCLASS = "string";
+
+      function tokenNestedExpr(depth) {
+        return function(stream, state) {
+          var inner = tokenBaseInner(stream, state)
+          if (inner == "punctuation") {
+            if (stream.current() == "{") {
+              state.tokenize = tokenNestedExpr(depth + 1)
+            } else if (stream.current() == "}") {
+              if (depth > 1) state.tokenize = tokenNestedExpr(depth - 1)
+              else state.tokenize = tokenString
+            }
+          }
+          return inner
+        }
+      }
+
+      function tokenString(stream, state) {
+        while (!stream.eol()) {
+          stream.eatWhile(/[^'"\{\}\\]/);
+          if (stream.eat("\\")) {
+            stream.next();
+            if (singleline && stream.eol())
+              return OUTCLASS;
+          } else if (stream.match(delimiter)) {
+            state.tokenize = tokenOuter;
+            return OUTCLASS;
+          } else if (stream.match('{{')) {
+            // ignore {{ in f-str
+            return OUTCLASS;
+          } else if (stream.match('{', false)) {
+            // switch to nested mode
+            state.tokenize = tokenNestedExpr(0)
+            if (stream.current()) return OUTCLASS;
+            else return state.tokenize(stream, state)
+          } else if (stream.match('}}')) {
+            return OUTCLASS;
+          } else if (stream.match('}')) {
+            // single } in f-string is an error
+            return ERRORCLASS;
+          } else {
+            stream.eat(/['"]/);
+          }
+        }
+        if (singleline) {
+          if (parserConf.singleLineStringErrors)
+            return ERRORCLASS;
+          else
+            state.tokenize = tokenOuter;
+        }
+        return OUTCLASS;
+      }
+      tokenString.isString = true;
+      return tokenString;
+    }
+
+    function tokenStringFactory(delimiter, tokenOuter) {
+      while ("rubf".indexOf(delimiter.charAt(0).toLowerCase()) >= 0)
         delimiter = delimiter.substr(1);
 
       var singleline = delimiter.length == 1;
@@ -206,7 +256,7 b''
             if (singleline && stream.eol())
               return OUTCLASS;
           } else if (stream.match(delimiter)) {
-            state.tokenize = tokenBase;
+            state.tokenize = tokenOuter;
             return OUTCLASS;
           } else {
             stream.eat(/['"]/);
@@ -216,7 +266,7 b''
           if (parserConf.singleLineStringErrors)
             return ERRORCLASS;
           else
-            state.tokenize = tokenBase;
+            state.tokenize = tokenOuter;
         }
         return OUTCLASS;
       }
@@ -224,21 +274,23 b''
       return tokenString;
     }
 
-    function pushScope(stream, state, type) {
-      var offset = 0, align = null;
-      if (type == "py") {
-        while (top(state).type != "py")
-          state.scopes.pop();
-      }
-      offset = top(state).offset + (type == "py" ? conf.indentUnit : hangingIndent);
-      if (type != "py" && !stream.match(/^(\s|#.*)*$/, false))
-        align = stream.column() + 1;
-      state.scopes.push({offset: offset, type: type, align: align});
+    function pushPyScope(state) {
+      while (top(state).type != "py") state.scopes.pop()
+      state.scopes.push({offset: top(state).offset + conf.indentUnit,
+                         type: "py",
+                         align: null})
+    }
+
+    function pushBracketScope(stream, state, type) {
+      var align = stream.match(/^([\s\[\{\(]|#.*)*$/, false) ? null : stream.column() + 1
+      state.scopes.push({offset: state.indent + hangingIndent,
+                         type: type,
+                         align: align})
     }
 
     function dedent(stream, state) {
       var indented = stream.indentation();
-      while (top(state).offset > indented) {
+      while (state.scopes.length > 1 && top(state).offset > indented) {
         if (top(state).type != "py") return true;
         state.scopes.pop();
       }
@@ -246,17 +298,16 b''
     }
 
     function tokenLexer(stream, state) {
+      if (stream.sol()) state.beginningOfLine = true;
+
       var style = state.tokenize(stream, state);
       var current = stream.current();
 
       // Handle decorators
-      if (current == "@"){
-        if(parserConf.version && parseInt(parserConf.version, 10) == 3){
-            return stream.match(identifiers, false) ? "meta" : "operator";
-        } else {
-            return stream.match(identifiers, false) ? "meta" : ERRORCLASS;
-        }
-      }
+      if (state.beginningOfLine && current == "@")
+        return stream.match(identifiers, false) ? "meta" : py3 ? "operator" : ERRORCLASS;
+
+      if (/\S/.test(current)) state.beginningOfLine = false;
 
       if ((style == "variable" || style == "builtin")
           && state.lastToken == "meta")
@@ -268,16 +319,18 b''
 
       if (current == "lambda") state.lambda = true;
       if (current == ":" && !state.lambda && top(state).type == "py")
-        pushScope(stream, state, "py");
+        pushPyScope(state);
 
-      var delimiter_index = current.length == 1 ? "[({".indexOf(current) : -1;
-      if (delimiter_index != -1)
-        pushScope(stream, state, "])}".slice(delimiter_index, delimiter_index+1));
+      if (current.length == 1 && !/string|comment/.test(style)) {
+        var delimiter_index = "[({".indexOf(current);
+        if (delimiter_index != -1)
+          pushBracketScope(stream, state, "])}".slice(delimiter_index, delimiter_index+1));
 
-      delimiter_index = "])}".indexOf(current);
-      if (delimiter_index != -1) {
-        if (top(state).type == current) state.scopes.pop();
-        else return ERRORCLASS;
+        delimiter_index = "])}".indexOf(current);
+        if (delimiter_index != -1) {
+          if (top(state).type == current) state.indent = state.scopes.pop().offset - hangingIndent
+          else return ERRORCLASS;
+        }
       }
       if (state.dedent > 0 && stream.eol() && top(state).type == "py") {
         if (state.scopes.length > 1) state.scopes.pop();
@@ -292,6 +345,7 b''
         return {
           tokenize: tokenBase,
           scopes: [{offset: basecolumn || 0, type: "py", align: null}],
+          indent: basecolumn || 0,
           lastToken: null,
           lambda: false,
           dedent: 0
@@ -316,16 +370,14 b''
         if (state.tokenize != tokenBase)
           return state.tokenize.isString ? CodeMirror.Pass : 0;
 
-        var scope = top(state);
-        var closing = textAfter && textAfter.charAt(0) == scope.type;
+        var scope = top(state), closing = scope.type == textAfter.charAt(0)
         if (scope.align != null)
-          return scope.align - (closing ? 1 : 0);
-        else if (closing && state.scopes.length > 1)
-          return state.scopes[state.scopes.length - 2].offset;
+          return scope.align - (closing ? 1 : 0)
         else
-          return scope.offset;
+          return scope.offset - (closing ? hangingIndent : 0)
       },
 
+      electricInput: /^\s*[\}\]\)]$/,
       closeBrackets: {triples: "'\""},
       lineComment: "#",
       fold: "indent"
@@ -339,8 +391,8 b''
 
   CodeMirror.defineMIME("text/x-cython", {
     name: "python",
-    extra_keywords: words("by cdef cimport cpdef ctypedef enum except"+
-                          "extern gil include nogil property public"+
+    extra_keywords: words("by cdef cimport cpdef ctypedef enum except "+
+                          "extern gil include nogil property public "+
                           "readonly struct union DEF IF ELIF ELSE")
   });
 

rhodecode/public/js/mode/q/q.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -25,7 +25,7 b' CodeMirror.defineMode("q",function(confi'
         return(state.tokenize=tokenLineComment)(stream,state);
       else if(c=="\\"){
         if(stream.eol()||/\s/.test(stream.peek()))
-          return stream.skipToEnd(),/^\\\s*$/.test(stream.current())?(state.tokenize=tokenCommentToEOF)(stream, state):state.tokenize=tokenBase,"comment";
+          return stream.skipToEnd(),/^\\\s*$/.test(stream.current())?(state.tokenize=tokenCommentToEOF)(stream):state.tokenize=tokenBase,"comment";
         else
           return state.tokenize=tokenBase,"builtin";
       }
@@ -34,25 +34,25 b' CodeMirror.defineMode("q",function(confi'
     if(c=='"')
       return(state.tokenize=tokenString)(stream,state);
     if(c=='`')
-      return stream.eatWhile(/[A-Z|a-z|\d|_|:|\/|\.]/),"symbol";
+      return stream.eatWhile(/[A-Za-z\d_:\/.]/),"symbol";
     if(("."==c&&/\d/.test(stream.peek()))||/\d/.test(c)){
       var t=null;
       stream.backUp(1);
-      if(stream.match(/^\d{4}\.\d{2}(m|\.\d{2}([D|T](\d{2}(:\d{2}(:\d{2}(\.\d{1,9})?)?)?)?)?)/)
+      if(stream.match(/^\d{4}\.\d{2}(m|\.\d{2}([DT](\d{2}(:\d{2}(:\d{2}(\.\d{1,9})?)?)?)?)?)/)
       || stream.match(/^\d+D(\d{2}(:\d{2}(:\d{2}(\.\d{1,9})?)?)?)/)
       || stream.match(/^\d{2}:\d{2}(:\d{2}(\.\d{1,9})?)?/)
       || stream.match(/^\d+[ptuv]{1}/))
         t="temporal";
       else if(stream.match(/^0[NwW]{1}/)
-      || stream.match(/^0x[\d|a-f|A-F]*/)
-      || stream.match(/^[0|1]+[b]{1}/)
+      || stream.match(/^0x[\da-fA-F]*/)
+      || stream.match(/^[01]+[b]{1}/)
       || stream.match(/^\d+[chijn]{1}/)
       || stream.match(/-?\d*(\.\d*)?(e[+\-]?\d+)?(e|f)?/))
         t="number";
       return(t&&(!(c=stream.peek())||E.test(c)))?t:(stream.next(),"error");
     }
-    if(/[A-Z|a-z]|\./.test(c))
-      return stream.eatWhile(/[A-Z|a-z|\.|_|\d]/),keywords.test(stream.current())?"keyword":"variable";
+    if(/[A-Za-z]|\./.test(c))
+      return stream.eatWhile(/[A-Za-z._\d]/),keywords.test(stream.current())?"keyword":"variable";
     if(/[|/&^!+:\\\-*%$=~#;@><\.,?_\']/.test(c))
       return null;
     if(/[{}\(\[\]\)]/.test(c))

rhodecode/public/js/mode/r/r.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -11,16 +11,25 b''
 })(function(CodeMirror) {
 "use strict";
 
+CodeMirror.registerHelper("wordChars", "r", /[\w.]/);
+
 CodeMirror.defineMode("r", function(config) {
-  function wordObj(str) {
-    var words = str.split(" "), res = {};
+  function wordObj(words) {
+    var res = {};
     for (var i = 0; i < words.length; ++i) res[words[i]] = true;
     return res;
   }
-  var atoms = wordObj("NULL NA Inf NaN NA_integer_ NA_real_ NA_complex_ NA_character_");
-  var builtins = wordObj("list quote bquote eval return call parse deparse");
-  var keywords = wordObj("if else repeat while function for in next break");
-  var blockkeywords = wordObj("if else repeat while function for");
+  var commonAtoms = ["NULL", "NA", "Inf", "NaN", "NA_integer_", "NA_real_", "NA_complex_", "NA_character_", "TRUE", "FALSE"];
+  var commonBuiltins = ["list", "quote", "bquote", "eval", "return", "call", "parse", "deparse"];
+  var commonKeywords = ["if", "else", "repeat", "while", "function", "for", "in", "next", "break"];
+  var commonBlockKeywords = ["if", "else", "repeat", "while", "function", "for"];
+
+  CodeMirror.registerHelper("hintWords", "r", commonAtoms.concat(commonBuiltins, commonKeywords));
+
+  var atoms = wordObj(commonAtoms);
+  var builtins = wordObj(commonBuiltins);
+  var keywords = wordObj(commonKeywords);
+  var blockkeywords = wordObj(commonBlockKeywords);
   var opChars = /[+\-*\/^<>=!&|~$:]/;
   var curPunc;
 
@@ -42,6 +51,9 b' CodeMirror.defineMode("r", function(conf'
     } else if (ch == "'" || ch == '"') {
       state.tokenize = tokenString(ch);
       return "string";
+    } else if (ch == "`") {
+      stream.match(/[^`]+`/);
+      return "variable-3";
     } else if (ch == "." && stream.match(/.[.\d]+/)) {
       return "keyword";
     } else if (/[\w\.]/.test(ch) && ch != "_") {
@@ -60,13 +72,17 b' CodeMirror.defineMode("r", function(conf'
       return "variable";
     } else if (ch == "%") {
       if (stream.skipTo("%")) stream.next();
-      return "variable-2";
-    } else if (ch == "<" && stream.eat("-")) {
-      return "arrow";
+      return "operator variable-2";
+    } else if (
+        (ch == "<" && stream.eat("-")) ||
+        (ch == "<" && stream.match("<-")) ||
+        (ch == "-" && stream.match(/>>?/))
+      ) {
+      return "operator arrow";
     } else if (ch == "=" && state.ctx.argList) {
       return "arg-is";
     } else if (opChars.test(ch)) {
-      if (ch == "$") return "dollar";
+      if (ch == "$") return "operator dollar";
       stream.eatWhile(opChars);
       return "operator";
     } else if (/[\(\){}\[\];]/.test(ch)) {
@@ -99,13 +115,23 b' CodeMirror.defineMode("r", function(conf'
     };
   }
 
+  var ALIGN_YES = 1, ALIGN_NO = 2, BRACELESS = 4
+
   function push(state, type, stream) {
     state.ctx = {type: type,
                  indent: state.indent,
-                 align: null,
+                 flags: 0,
                  column: stream.column(),
                  prev: state.ctx};
   }
+  function setFlag(state, flag) {
+    var ctx = state.ctx
+    state.ctx = {type: ctx.type,
+                 indent: ctx.indent,
+                 flags: ctx.flags | flag,
+                 column: ctx.column,
+                 prev: ctx.prev}
+  }
   function pop(state) {
     state.indent = state.ctx.indent;
     state.ctx = state.ctx.prev;
@@ -116,22 +142,22 b' CodeMirror.defineMode("r", function(conf'
       return {tokenize: tokenBase,
               ctx: {type: "top",
                     indent: -config.indentUnit,
-                    align: false},
+                    flags: ALIGN_NO},
               indent: 0,
               afterIdent: false};
     },
 
     token: function(stream, state) {
       if (stream.sol()) {
-        if (state.ctx.align == null) state.ctx.align = false;
+        if ((state.ctx.flags & 3) == 0) state.ctx.flags |= ALIGN_NO
+        if (state.ctx.flags & BRACELESS) pop(state)
         state.indent = stream.indentation();
       }
       if (stream.eatSpace()) return null;
       var style = state.tokenize(stream, state);
-      if (style != "comment" && state.ctx.align == null) state.ctx.align = true;
+      if (style != "comment" && (state.ctx.flags & ALIGN_NO) == 0) setFlag(state, ALIGN_YES)
 
-      var ctype = state.ctx.type;
-      if ((curPunc == ";" || curPunc == "{" || curPunc == "}") && ctype == "block") pop(state);
+      if ((curPunc == ";" || curPunc == "{" || curPunc == "}") && state.ctx.type == "block") pop(state);
       if (curPunc == "{") push(state, "}", stream);
       else if (curPunc == "(") {
         push(state, ")", stream);
@@ -139,7 +165,8 b' CodeMirror.defineMode("r", function(conf'
       }
       else if (curPunc == "[") push(state, "]", stream);
       else if (curPunc == "block") push(state, "block", stream);
-      else if (curPunc == ctype) pop(state);
+      else if (curPunc == state.ctx.type) pop(state);
+      else if (state.ctx.type == "block" && style != "comment") setFlag(state, BRACELESS)
       state.afterIdent = style == "variable" || style == "keyword";
       return style;
     },
@@ -148,8 +175,9 b' CodeMirror.defineMode("r", function(conf'
       if (state.tokenize != tokenBase) return 0;
       var firstChar = textAfter && textAfter.charAt(0), ctx = state.ctx,
           closing = firstChar == ctx.type;
+      if (ctx.flags & BRACELESS) ctx = ctx.prev
       if (ctx.type == "block") return ctx.indent + (firstChar == "{" ? 0 : config.indentUnit);
-      else if (ctx.align) return ctx.column + (closing ? 0 : 1);
+      else if (ctx.flags & ALIGN_YES) return ctx.column + (closing ? 0 : 1);
       else return ctx.indent + (closing ? 0 : config.indentUnit);
     },
 

rhodecode/public/js/mode/rpm/rpm.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/rst/rst.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/ruby/ruby.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -28,7 +28,8 b' CodeMirror.defineMode("ruby", function(c'
   var indentWords = wordObj(["def", "class", "case", "for", "while", "until", "module", "then",
                              "catch", "loop", "proc", "begin"]);
   var dedentWords = wordObj(["end", "until"]);
-  var matching = {"[": "]", "{": "}", "(": ")"};
+  var opening = {"[": "]", "{": "}", "(": ")"};
+  var closing = {"]": "[", "}": "{", ")": "("};
   var curPunc;
 
   function chain(newtok, stream, state) {
@@ -46,22 +47,10 b' CodeMirror.defineMode("ruby", function(c'
     if (ch == "`" || ch == "'" || ch == '"') {
       return chain(readQuoted(ch, "string", ch == '"' || ch == "`"), stream, state);
     } else if (ch == "/") {
-      var currentIndex = stream.current().length;
-      if (stream.skipTo("/")) {
-        var search_till = stream.current().length;
-        stream.backUp(stream.current().length - currentIndex);
-        var balance = 0;  // balance brackets
-        while (stream.current().length < search_till) {
-          var chchr = stream.next();
-          if (chchr == "(") balance += 1;
-          else if (chchr == ")") balance -= 1;
-          if (balance < 0) break;
-        }
-        stream.backUp(stream.current().length - currentIndex);
-        if (balance == 0)
-          return chain(readQuoted(ch, "string-2", true), stream, state);
-      }
-      return "operator";
+      if (regexpAhead(stream))
+        return chain(readQuoted(ch, "string-2", true), stream, state);
+      else
+        return "operator";
     } else if (ch == "%") {
       var style = "string", embed = true;
       if (stream.eat("s")) style = "atom";
@@ -70,13 +59,13 b' CodeMirror.defineMode("ruby", function(c'
       else if (stream.eat(/[wxq]/)) { style = "string"; embed = false; }
       var delim = stream.eat(/[^\w\s=]/);
       if (!delim) return "operator";
-      if (matching.propertyIsEnumerable(delim)) delim = matching[delim];
+      if (opening.propertyIsEnumerable(delim)) delim = opening[delim];
       return chain(readQuoted(delim, style, embed, true), stream, state);
     } else if (ch == "#") {
       stream.skipToEnd();
       return "comment";
-    } else if (ch == "<" && (m = stream.match(/^<-?[\`\"\']?([a-zA-Z_?]\w*)[\`\"\']?(?:;|$)/))) {
-      return chain(readHereDoc(m[1]), stream, state);
+    } else if (ch == "<" && (m = stream.match(/^<([-~])[\`\"\']?([a-zA-Z_?]\w*)[\`\"\']?(?:;|$)/))) {
+      return chain(readHereDoc(m[2], m[1]), stream, state);
     } else if (ch == "0") {
       if (stream.eat("x")) stream.eatWhile(/[\da-fA-F]/);
       else if (stream.eat("b")) stream.eatWhile(/[01]/);
@@ -148,6 +137,28 b' CodeMirror.defineMode("ruby", function(c'
     }
   }
 
+  function regexpAhead(stream) {
+    var start = stream.pos, depth = 0, next, found = false, escaped = false
+    while ((next = stream.next()) != null) {
+      if (!escaped) {
+        if ("[{(".indexOf(next) > -1) {
+          depth++
+        } else if ("]})".indexOf(next) > -1) {
+          depth--
+          if (depth < 0) break
+        } else if (next == "/" && depth == 0) {
+          found = true
+          break
+        }
+        escaped = next == "\\"
+      } else {
+        escaped = false
+      }
+    }
+    stream.backUp(stream.pos - start)
+    return found
+  }
+
   function tokenBaseUntilBrace(depth) {
     if (!depth) depth = 1;
     return function(stream, state) {
@@ -206,8 +217,9 b' CodeMirror.defineMode("ruby", function(c'
       return style;
     };
   }
-  function readHereDoc(phrase) {
+  function readHereDoc(phrase, mayIndent) {
     return function(stream, state) {
+      if (mayIndent) stream.eatSpace()
       if (stream.match(phrase)) state.tokenize.pop();
       else stream.skipToEnd();
       return "string";
@@ -266,17 +278,18 b' CodeMirror.defineMode("ruby", function(c'
     },
 
     indent: function(state, textAfter) {
-      if (state.tokenize[state.tokenize.length-1] != tokenBase) return 0;
+      if (state.tokenize[state.tokenize.length-1] != tokenBase) return CodeMirror.Pass;
       var firstChar = textAfter && textAfter.charAt(0);
       var ct = state.context;
-      var closing = ct.type == matching[firstChar] ||
+      var closed = ct.type == closing[firstChar] ||
         ct.type == "keyword" && /^(?:end|until|else|elsif|when|rescue)\b/.test(textAfter);
-      return ct.indented + (closing ? 0 : config.indentUnit) +
+      return ct.indented + (closed ? 0 : config.indentUnit) +
         (state.continuedLine ? config.indentUnit : 0);
     },
 
-    electricInput: /^\s*(?:end|rescue|\})$/,
-    lineComment: "#"
+    electricInput: /^\s*(?:end|rescue|elsif|else|\})$/,
+    lineComment: "#",
+    fold: "indent"
   };
 });
 

rhodecode/public/js/mode/rust/rust.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -68,4 +68,5 b' CodeMirror.defineSimpleMode("rust",{'
 
 
 CodeMirror.defineMIME("text/x-rustsrc", "rust");
+CodeMirror.defineMIME("text/rust", "rust");
 });

rhodecode/public/js/mode/sass/sass.js

@@ -1,17 +1,23 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
-    mod(require("../../lib/codemirror"));
+    mod(require("../../lib/codemirror"), require("../css/css"));
   else if (typeof define == "function" && define.amd) // AMD
-    define(["../../lib/codemirror"], mod);
+    define(["../../lib/codemirror", "../css/css"], mod);
   else // Plain browser env
     mod(CodeMirror);
 })(function(CodeMirror) {
 "use strict";
 
 CodeMirror.defineMode("sass", function(config) {
+  var cssMode = CodeMirror.mimeModes["text/css"];
+  var propertyKeywords = cssMode.propertyKeywords || {},
+      colorKeywords = cssMode.colorKeywords || {},
+      valueKeywords = cssMode.valueKeywords || {},
+      fontProperties = cssMode.fontProperties || {};
+
   function tokenRegexp(words) {
     return new RegExp("^" + words.join("|"));
   }
@@ -25,6 +31,12 b' CodeMirror.defineMode("sass", function(c'
 
   var pseudoElementsRegexp = /^::?[a-zA-Z_][\w\-]*/;
 
+  var word;
+
+  function isEndLine(stream) {
+    return !stream.peek() || stream.match(/\s+$/, false);
+  }
+
   function urlTokens(stream, state) {
     var ch = stream.peek();
 
@@ -76,6 +88,9 b' CodeMirror.defineMode("sass", function(c'
 
       if (endingString) {
         if (nextChar !== quote && greedy) { stream.next(); }
+        if (isEndLine(stream)) {
+          state.cursorHalf = 0;
+        }
         state.tokenizer = tokenBase;
         return "string";
       } else if (nextChar === "#" && peekChar === "{") {
@@ -147,14 +162,20 b' CodeMirror.defineMode("sass", function(c'
     // first half i.e. before : for key-value pairs
     // including selectors
 
+      if (ch === "-") {
+        if (stream.match(/^-\w+-/)) {
+          return "meta";
+        }
+      }
+
       if (ch === ".") {
         stream.next();
         if (stream.match(/^[\w-]+/)) {
           indent(state);
-          return "atom";
+          return "qualifier";
         } else if (stream.peek() === "#") {
           indent(state);
-          return "atom";
+          return "tag";
         }
       }
 
@@ -163,11 +184,11 b' CodeMirror.defineMode("sass", function(c'
         // ID selectors
         if (stream.match(/^[\w-]+/)) {
           indent(state);
-          return "atom";
+          return "builtin";
         }
         if (stream.peek() === "#") {
           indent(state);
-          return "atom";
+          return "tag";
         }
       }
 
@@ -220,37 +241,48 b' CodeMirror.defineMode("sass", function(c'
       // Indent Directives
       if (stream.match(/^@(else if|if|media|else|for|each|while|mixin|function)/)) {
         indent(state);
-        return "meta";
+        return "def";
       }
 
       // Other Directives
       if (ch === "@") {
         stream.next();
         stream.eatWhile(/[\w-]/);
-        return "meta";
+        return "def";
       }
 
       if (stream.eatWhile(/[\w-]/)){
         if(stream.match(/ *: *[\w-\+\$#!\("']/,false)){
-          return "property";
+          word = stream.current().toLowerCase();
+          var prop = state.prevProp + "-" + word;
+          if (propertyKeywords.hasOwnProperty(prop)) {
+            return "property";
+          } else if (propertyKeywords.hasOwnProperty(word)) {
+            state.prevProp = word;
+            return "property";
+          } else if (fontProperties.hasOwnProperty(word)) {
+            return "property";
+          }
+          return "tag";
         }
         else if(stream.match(/ *:/,false)){
           indent(state);
           state.cursorHalf = 1;
-          return "atom";
+          state.prevProp = stream.current().toLowerCase();
+          return "property";
         }
         else if(stream.match(/ *,/,false)){
-          return "atom";
+          return "tag";
         }
         else{
           indent(state);
-          return "atom";
+          return "tag";
         }
       }
 
       if(ch === ":"){
         if (stream.match(pseudoElementsRegexp)){ // could be a pseudo-element
-          return "keyword";
+          return "variable-3";
         }
         stream.next();
         state.cursorHalf=1;
@@ -264,7 +296,7 b' CodeMirror.defineMode("sass", function(c'
         stream.next();
         // Hex numbers
         if (stream.match(/[0-9a-fA-F]{6}|[0-9a-fA-F]{3}/)){
-          if(!stream.peek()){
+          if (isEndLine(stream)) {
             state.cursorHalf = 0;
           }
           return "number";
@@ -273,7 +305,7 b' CodeMirror.defineMode("sass", function(c'
 
       // Numbers
       if (stream.match(/^-?[0-9\.]+/)){
-        if(!stream.peek()){
+        if (isEndLine(stream)) {
           state.cursorHalf = 0;
         }
         return "number";
@@ -281,14 +313,14 b' CodeMirror.defineMode("sass", function(c'
 
       // Units
       if (stream.match(/^(px|em|in)\b/)){
-        if(!stream.peek()){
+        if (isEndLine(stream)) {
           state.cursorHalf = 0;
         }
         return "unit";
       }
 
       if (stream.match(keywordsRegexp)){
-        if(!stream.peek()){
+        if (isEndLine(stream)) {
           state.cursorHalf = 0;
         }
         return "keyword";
@@ -296,7 +328,7 b' CodeMirror.defineMode("sass", function(c'
 
       if (stream.match(/^url/) && stream.peek() === "(") {
         state.tokenizer = urlTokens;
-        if(!stream.peek()){
+        if (isEndLine(stream)) {
           state.cursorHalf = 0;
         }
         return "atom";
@@ -306,23 +338,21 b' CodeMirror.defineMode("sass", function(c'
       if (ch === "$") {
         stream.next();
         stream.eatWhile(/[\w-]/);
-        if(!stream.peek()){
+        if (isEndLine(stream)) {
           state.cursorHalf = 0;
         }
-        return "variable-3";
+        return "variable-2";
       }
 
       // bang character for !important, !default, etc.
       if (ch === "!") {
         stream.next();
-        if(!stream.peek()){
-          state.cursorHalf = 0;
-        }
+        state.cursorHalf = 0;
         return stream.match(/^[\w]+/) ? "keyword": "operator";
       }
 
       if (stream.match(opRegexp)){
-        if(!stream.peek()){
+        if (isEndLine(stream)) {
           state.cursorHalf = 0;
         }
         return "operator";
@@ -330,14 +360,24 b' CodeMirror.defineMode("sass", function(c'
 
       // attributes
       if (stream.eatWhile(/[\w-]/)) {
-        if(!stream.peek()){
+        if (isEndLine(stream)) {
           state.cursorHalf = 0;
         }
-        return "attribute";
+        word = stream.current().toLowerCase();
+        if (valueKeywords.hasOwnProperty(word)) {
+          return "atom";
+        } else if (colorKeywords.hasOwnProperty(word)) {
+          return "keyword";
+        } else if (propertyKeywords.hasOwnProperty(word)) {
+          state.prevProp = stream.current().toLowerCase();
+          return "property";
+        } else {
+          return "tag";
+        }
       }
 
       //stream.eatSpace();
-      if(!stream.peek()){
+      if (isEndLine(stream)) {
         state.cursorHalf = 0;
         return null;
       }
@@ -407,7 +447,7 b' CodeMirror.defineMode("sass", function(c'
       return state.scopes[0].offset;
     }
   };
-});
+}, "css");
 
 CodeMirror.defineMIME("text/x-sass", "sass");
 

rhodecode/public/js/mode/scheme/scheme.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 /**
  * Author: Koh Zi Han, based on implementation by Koh Zi Chun
@@ -73,7 +73,8 b' CodeMirror.defineMode("scheme", function'
                 indentStack: null,
                 indentation: 0,
                 mode: false,
-                sExprComment: false
+                sExprComment: false,
+                sExprQuote: false
             };
         },
 
@@ -121,7 +122,7 b' CodeMirror.defineMode("scheme", function'
                         state.sExprComment = 0;
                     }else{
                         // if not we just comment the entire of the next token
-                        stream.eatWhile(/[^/s]/); // eat non spaces
+                        stream.eatWhile(/[^\s\(\)\[\]]/); // eat symbol atom
                         returnType = COMMENT;
                         break;
                     }
@@ -133,7 +134,15 b' CodeMirror.defineMode("scheme", function'
                         returnType = STRING;
 
                     } else if (ch == "'") {
-                        returnType = ATOM;
+                        if (stream.peek() == "(" || stream.peek() == "["){
+                            if (typeof state.sExprQuote != "number") {
+                                state.sExprQuote = 0;
+                            } // else already in a quoted expression
+                            returnType = ATOM;
+                        } else {
+                            stream.eatWhile(/[\w_\-!$%&*+\.\/:<=>?@\^~]/);
+                            returnType = ATOM;
+                        }
                     } else if (ch == '#') {
                         if (stream.eat("|")) {                    // Multi-line comment
                             state.mode = "comment"; // toggle to comment mode
@@ -209,6 +218,7 b' CodeMirror.defineMode("scheme", function'
                         stream.backUp(stream.current().length - 1); // undo all the eating
 
                         if(typeof state.sExprComment == "number") state.sExprComment++;
+                        if(typeof state.sExprQuote == "number") state.sExprQuote++;
 
                         returnType = BRACKET;
                     } else if (ch == ")" || ch == "]") {
@@ -222,16 +232,22 b' CodeMirror.defineMode("scheme", function'
                                     state.sExprComment = false; // turn off s-expr commenting mode
                                 }
                             }
+                            if(typeof state.sExprQuote == "number"){
+                                if(--state.sExprQuote == 0){
+                                    returnType = ATOM; // final closing bracket
+                                    state.sExprQuote = false; // turn off s-expr quote mode
+                                }
+                            }
                         }
                     } else {
-                        stream.eatWhile(/[\w\$_\-!$%&*+\.\/:<=>?@\^~]/);
+                        stream.eatWhile(/[\w_\-!$%&*+\.\/:<=>?@\^~]/);
 
                         if (keywords && keywords.propertyIsEnumerable(stream.current())) {
                             returnType = BUILTIN;
                         } else returnType = "variable";
                     }
             }
-            return (typeof state.sExprComment == "number") ? COMMENT : returnType;
+            return (typeof state.sExprComment == "number") ? COMMENT : ((typeof state.sExprQuote == "number") ? ATOM : returnType);
         },
 
         indent: function (state) {

rhodecode/public/js/mode/shell/shell.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -14,26 +14,27 b''
 CodeMirror.defineMode('shell', function() {
 
   var words = {};
-  function define(style, string) {
-    var split = string.split(' ');
-    for(var i = 0; i < split.length; i++) {
-      words[split[i]] = style;
+  function define(style, dict) {
+    for(var i = 0; i < dict.length; i++) {
+      words[dict[i]] = style;
     }
   };
 
-  // Atoms
-  define('atom', 'true false');
-
-  // Keywords
-  define('keyword', 'if then do else elif while until for in esac fi fin ' +
-    'fil done exit set unset export function');
+  var commonAtoms = ["true", "false"];
+  var commonKeywords = ["if", "then", "do", "else", "elif", "while", "until", "for", "in", "esac", "fi",
+    "fin", "fil", "done", "exit", "set", "unset", "export", "function"];
+  var commonCommands = ["ab", "awk", "bash", "beep", "cat", "cc", "cd", "chown", "chmod", "chroot", "clear",
+    "cp", "curl", "cut", "diff", "echo", "find", "gawk", "gcc", "get", "git", "grep", "hg", "kill", "killall",
+    "ln", "ls", "make", "mkdir", "openssl", "mv", "nc", "nl", "node", "npm", "ping", "ps", "restart", "rm",
+    "rmdir", "sed", "service", "sh", "shopt", "shred", "source", "sort", "sleep", "ssh", "start", "stop",
+    "su", "sudo", "svn", "tee", "telnet", "top", "touch", "vi", "vim", "wall", "wc", "wget", "who", "write",
+    "yes", "zsh"];
 
-  // Commands
-  define('builtin', 'ab awk bash beep cat cc cd chown chmod chroot clear cp ' +
-    'curl cut diff echo find gawk gcc get git grep kill killall ln ls make ' +
-    'mkdir openssl mv nc node npm ping ps restart rm rmdir sed service sh ' +
-    'shopt shred source sort sleep ssh start stop su sudo tee telnet top ' +
-    'touch vi vim wall wc wget who write yes zsh');
+  CodeMirror.registerHelper("hintWords", "shell", commonAtoms.concat(commonKeywords, commonCommands));
+
+  define('atom', commonAtoms);
+  define('keyword', commonKeywords);
+  define('builtin', commonCommands);
 
   function tokenBase(stream, state) {
     if (stream.eatSpace()) return null;
@@ -46,7 +47,7 b" CodeMirror.defineMode('shell', function("
       return null;
     }
     if (ch === '\'' || ch === '"' || ch === '`') {
-      state.tokens.unshift(tokenString(ch));
+      state.tokens.unshift(tokenString(ch, ch === "`" ? "quote" : "string"));
       return tokenize(stream, state);
     }
     if (ch === '#') {
@@ -81,41 +82,49 b" CodeMirror.defineMode('shell', function("
     return words.hasOwnProperty(cur) ? words[cur] : null;
   }
 
-  function tokenString(quote) {
+  function tokenString(quote, style) {
+    var close = quote == "(" ? ")" : quote == "{" ? "}" : quote
     return function(stream, state) {
-      var next, end = false, escaped = false;
+      var next, escaped = false;
       while ((next = stream.next()) != null) {
-        if (next === quote && !escaped) {
-          end = true;
+        if (next === close && !escaped) {
+          state.tokens.shift();
           break;
-        }
-        if (next === '$' && !escaped && quote !== '\'') {
+        } else if (next === '$' && !escaped && quote !== "'" && stream.peek() != close) {
           escaped = true;
           stream.backUp(1);
           state.tokens.unshift(tokenDollar);
           break;
+        } else if (!escaped && quote !== close && next === quote) {
+          state.tokens.unshift(tokenString(quote, style))
+          return tokenize(stream, state)
+        } else if (!escaped && /['"]/.test(next) && !/['"]/.test(quote)) {
+          state.tokens.unshift(tokenStringStart(next, "string"));
+          stream.backUp(1);
+          break;
         }
         escaped = !escaped && next === '\\';
       }
-      if (end || !escaped) {
-        state.tokens.shift();
-      }
-      return (quote === '`' || quote === ')' ? 'quote' : 'string');
+      return style;
     };
   };
 
+  function tokenStringStart(quote, style) {
+    return function(stream, state) {
+      state.tokens[0] = tokenString(quote, style)
+      stream.next()
+      return tokenize(stream, state)
+    }
+  }
+
   var tokenDollar = function(stream, state) {
     if (state.tokens.length > 1) stream.eat('$');
-    var ch = stream.next(), hungry = /\w/;
-    if (ch === '{') hungry = /[^}]/;
-    if (ch === '(') {
-      state.tokens[0] = tokenString(')');
+    var ch = stream.next()
+    if (/['"({]/.test(ch)) {
+      state.tokens[0] = tokenString(ch, ch == "(" ? "quote" : ch == "{" ? "def" : "string");
       return tokenize(stream, state);
     }
-    if (!/\d/.test(ch)) {
-      stream.eatWhile(hungry);
-      stream.eat('}');
-    }
+    if (!/\d/.test(ch)) stream.eatWhile(/\w/);
     state.tokens.shift();
     return 'def';
   };
@@ -129,11 +138,15 b" CodeMirror.defineMode('shell', function("
     token: function(stream, state) {
       return tokenize(stream, state);
     },
+    closeBrackets: "()[]{}''\"\"``",
     lineComment: '#',
     fold: "brace"
   };
 });
 
 CodeMirror.defineMIME('text/x-sh', 'shell');
+// Apache uses a slightly different Media Type for Shell scripts
+// http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types
+CodeMirror.defineMIME('application/x-sh', 'shell');
 
 });

rhodecode/public/js/mode/sieve/sieve.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -170,7 +170,7 b' CodeMirror.defineMode("sieve", function('
       if (stream.eatSpace())
         return null;
 
-      return (state.tokenize || tokenBase)(stream, state);;
+      return (state.tokenize || tokenBase)(stream, state);
     },
 
     indent: function(state, _textAfter) {

rhodecode/public/js/mode/slim/slim.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 // Slim Highlighting for CodeMirror copyright (c) HicknHack Software Gmbh
 
@@ -165,7 +165,7 b''
       };
       return function(stream, state) {
         rubyState = state.rubyState;
-        state.rubyState = rubyMode.startState();
+        state.rubyState = CodeMirror.startState(rubyMode);
         state.tokenize = runSplat;
         return ruby(stream, state);
       };
@@ -317,7 +317,7 b''
 
     function startSubMode(mode, state) {
       var subMode = getMode(mode);
-      var subState = subMode.startState && subMode.startState();
+      var subState = CodeMirror.startState(subMode);
 
       state.subMode = subMode;
       state.subState = subState;
@@ -507,8 +507,8 b''
     var mode = {
       // default to html mode
       startState: function() {
-        var htmlState = htmlMode.startState();
-        var rubyState = rubyMode.startState();
+        var htmlState = CodeMirror.startState(htmlMode);
+        var rubyState = CodeMirror.startState(rubyMode);
         return {
           htmlState: htmlState,
           rubyState: rubyState,

rhodecode/public/js/mode/smalltalk/smalltalk.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/smarty/smarty.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 /**
  * Smarty 2 and 3 mode.
@@ -210,9 +210,9 b''
         state.last = last;
         return style;
       },
-      indent: function(state, text) {
+      indent: function(state, text, line) {
         if (state.tokenize == tokenTop && baseMode.indent)
-          return baseMode.indent(state.base, text);
+          return baseMode.indent(state.base, text, line);
         else
           return CodeMirror.Pass;
       },

rhodecode/public/js/mode/solr/solr.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -14,12 +14,12 b''
 CodeMirror.defineMode("solr", function() {
   "use strict";
 
-  var isStringChar = /[^\s\|\!\+\-\*\?\~\^\&\:\(\)\[\]\{\}\^\"\\]/;
+  var isStringChar = /[^\s\|\!\+\-\*\?\~\^\&\:\(\)\[\]\{\}\"\\]/;
   var isOperatorChar = /[\|\!\+\-\*\?\~\^\&]/;
   var isOperatorString = /^(OR|AND|NOT|TO)$/i;
 
   function isNumber(word) {
-    return parseFloat(word, 10).toString() === word;
+    return parseFloat(word).toString() === word;
   }
 
   function tokenString(quote) {

rhodecode/public/js/mode/soy/soy.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -11,9 +11,45 b''
 })(function(CodeMirror) {
   "use strict";
 
-  var indentingTags = ["template", "literal", "msg", "fallbackmsg", "let", "if", "elseif",
-                       "else", "switch", "case", "default", "foreach", "ifempty", "for",
-                       "call", "param", "deltemplate", "delcall", "log"];
+  var paramData = { noEndTag: true, soyState: "param-def" };
+  var tags = {
+    "alias": { noEndTag: true },
+    "delpackage": { noEndTag: true },
+    "namespace": { noEndTag: true, soyState: "namespace-def" },
+    "@param": paramData,
+    "@param?": paramData,
+    "@inject": paramData,
+    "@inject?": paramData,
+    "@state": paramData,
+    "@state?": paramData,
+    "template": { soyState: "templ-def", variableScope: true},
+    "literal": { },
+    "msg": {},
+    "fallbackmsg": { noEndTag: true, reduceIndent: true},
+    "select": {},
+    "plural": {},
+    "let": { soyState: "var-def" },
+    "if": {},
+    "elseif": { noEndTag: true, reduceIndent: true},
+    "else": { noEndTag: true, reduceIndent: true},
+    "switch": {},
+    "case": { noEndTag: true, reduceIndent: true},
+    "default": { noEndTag: true, reduceIndent: true},
+    "foreach": { variableScope: true, soyState: "var-def" },
+    "ifempty": { noEndTag: true, reduceIndent: true},
+    "for": { variableScope: true, soyState: "var-def" },
+    "call": { soyState: "templ-ref" },
+    "param": { soyState: "param-ref"},
+    "print": { noEndTag: true },
+    "deltemplate": { soyState: "templ-def", variableScope: true},
+    "delcall": { soyState: "templ-ref" },
+    "log": {},
+    "element": { variableScope: true },
+  };
+
+  var indentingTags = Object.keys(tags).filter(function(tag) {
+    return !tags[tag].noEndTag || tags[tag].reduceIndent;
+  });
 
   CodeMirror.defineMode("soy", function(config) {
     var textMode = CodeMirror.getMode(config, "text/plain");
@@ -22,6 +58,7 b''
       attributes: textMode,
       text: textMode,
       uri: textMode,
+      trusted_resource_uri: textMode,
       css: CodeMirror.getMode(config, "text/css"),
       js: CodeMirror.getMode(config, {name: "text/javascript", statementIndent: 2 * config.indentUnit})
     };
@@ -31,6 +68,12 b''
     }
 
     function tokenUntil(stream, state, untilRegExp) {
+      if (stream.sol()) {
+        for (var indent = 0; indent < state.indent; indent++) {
+          if (!stream.eat(/\s/)) break;
+        }
+        if (indent) return null;
+      }
       var oldString = stream.string;
       var match = untilRegExp.exec(oldString.substr(stream.pos));
       if (match) {
@@ -39,33 +82,82 b''
         stream.string = oldString.substr(0, stream.pos + match.index);
       }
       var result = stream.hideFirstChars(state.indent, function() {
-        return state.localMode.token(stream, state.localState);
+        var localState = last(state.localStates);
+        return localState.mode.token(stream, localState.state);
       });
       stream.string = oldString;
       return result;
     }
 
+    function contains(list, element) {
+      while (list) {
+        if (list.element === element) return true;
+        list = list.next;
+      }
+      return false;
+    }
+
+    function prepend(list, element) {
+      return {
+        element: element,
+        next: list
+      };
+    }
+
+    function popcontext(state) {
+      if (!state.context) return;
+      if (state.context.scope) {
+        state.variables = state.context.scope;
+      }
+      state.context = state.context.previousContext;
+    }
+
+    // Reference a variable `name` in `list`.
+    // Let `loose` be truthy to ignore missing identifiers.
+    function ref(list, name, loose) {
+      return contains(list, name) ? "variable-2" : (loose ? "variable" : "variable-2 error");
+    }
+
+    // Data for an open soy tag.
+    function Context(previousContext, tag, scope) {
+      this.previousContext = previousContext;
+      this.tag = tag;
+      this.kind = null;
+      this.scope = scope;
+    }
+
     return {
       startState: function() {
         return {
-          kind: [],
-          kindTag: [],
           soyState: [],
+          templates: null,
+          variables: prepend(null, 'ij'),
+          scopes: null,
           indent: 0,
-          localMode: modes.html,
-          localState: CodeMirror.startState(modes.html)
+          quoteKind: null,
+          context: null,
+          localStates: [{
+            mode: modes.html,
+            state: CodeMirror.startState(modes.html)
+          }]
         };
       },
 
       copyState: function(state) {
         return {
           tag: state.tag, // Last seen Soy tag.
-          kind: state.kind.concat([]), // Values of kind="" attributes.
-          kindTag: state.kindTag.concat([]), // Opened tags with kind="" attributes.
           soyState: state.soyState.concat([]),
+          templates: state.templates,
+          variables: state.variables,
+          context: state.context,
           indent: state.indent, // Indentation of the following line.
-          localMode: state.localMode,
-          localState: CodeMirror.copyState(state.localMode, state.localState)
+          quoteKind: state.quoteKind,
+          localStates: state.localStates.map(function(localState) {
+            return {
+              mode: localState.mode,
+              state: CodeMirror.copyState(localState.mode, localState.state)
+            };
+          })
         };
       },
 
@@ -79,36 +171,159 b''
             } else {
               stream.skipToEnd();
             }
+            if (!state.context || !state.context.scope) {
+              var paramRe = /@param\??\s+(\S+)/g;
+              var current = stream.current();
+              for (var match; (match = paramRe.exec(current)); ) {
+                state.variables = prepend(state.variables, match[1]);
+              }
+            }
             return "comment";
 
-          case "variable":
-            if (stream.match(/^}/)) {
-              state.indent -= 2 * config.indentUnit;
+          case "string":
+            var match = stream.match(/^.*?(["']|\\[\s\S])/);
+            if (!match) {
+              stream.skipToEnd();
+            } else if (match[1] == state.quoteKind) {
+              state.quoteKind = null;
+              state.soyState.pop();
+            }
+            return "string";
+        }
+
+        if (!state.soyState.length || last(state.soyState) != "literal") {
+          if (stream.match(/^\/\*/)) {
+            state.soyState.push("comment");
+            return "comment";
+          } else if (stream.match(stream.sol() ? /^\s*\/\/.*/ : /^\s+\/\/.*/)) {
+            return "comment";
+          }
+        }
+
+        switch (last(state.soyState)) {
+          case "templ-def":
+            if (match = stream.match(/^\.?([\w]+(?!\.[\w]+)*)/)) {
+              state.templates = prepend(state.templates, match[1]);
+              state.soyState.pop();
+              return "def";
+            }
+            stream.next();
+            return null;
+
+          case "templ-ref":
+            if (match = stream.match(/(\.?[a-zA-Z_][a-zA-Z_0-9]+)+/)) {
               state.soyState.pop();
-              return "variable-2";
+              // If the first character is '.', it can only be a local template.
+              if (match[0][0] == '.') {
+                return "variable-2"
+              }
+              // Otherwise
+              return "variable";
+            }
+            stream.next();
+            return null;
+
+          case "namespace-def":
+            if (match = stream.match(/^\.?([\w\.]+)/)) {
+              state.soyState.pop();
+              return "variable";
+            }
+            stream.next();
+            return null;
+
+          case "param-def":
+            if (match = stream.match(/^\w+/)) {
+              state.variables = prepend(state.variables, match[0]);
+              state.soyState.pop();
+              state.soyState.push("param-type");
+              return "def";
+            }
+            stream.next();
+            return null;
+
+          case "param-ref":
+            if (match = stream.match(/^\w+/)) {
+              state.soyState.pop();
+              return "property";
+            }
+            stream.next();
+            return null;
+
+          case "param-type":
+            if (stream.peek() == "}") {
+              state.soyState.pop();
+              return null;
+            }
+            if (stream.eatWhile(/^([\w]+|[?])/)) {
+              return "type";
+            }
+            stream.next();
+            return null;
+
+          case "var-def":
+            if (match = stream.match(/^\$([\w]+)/)) {
+              state.variables = prepend(state.variables, match[1]);
+              state.soyState.pop();
+              return "def";
             }
             stream.next();
             return null;
 
           case "tag":
+            var endTag = state.tag[0] == "/";
+            var tagName = endTag ? state.tag.substring(1) : state.tag;
+            var tag = tags[tagName];
             if (stream.match(/^\/?}/)) {
-              if (state.tag == "/template" || state.tag == "/deltemplate") state.indent = 0;
-              else state.indent -= (stream.current() == "/}" || indentingTags.indexOf(state.tag) == -1 ? 2 : 1) * config.indentUnit;
+              var selfClosed = stream.current() == "/}";
+              if (selfClosed && !endTag) {
+                popcontext(state);
+              }
+              if (state.tag == "/template" || state.tag == "/deltemplate") {
+                state.variables = prepend(null, 'ij');
+                state.indent = 0;
+              } else {
+                state.indent -= config.indentUnit *
+                    (selfClosed || indentingTags.indexOf(state.tag) == -1 ? 2 : 1);
+              }
               state.soyState.pop();
               return "keyword";
             } else if (stream.match(/^([\w?]+)(?==)/)) {
-              if (stream.current() == "kind" && (match = stream.match(/^="([^"]+)/, false))) {
+              if (state.context && state.context.tag == tagName && stream.current() == "kind" && (match = stream.match(/^="([^"]+)/, false))) {
                 var kind = match[1];
-                state.kind.push(kind);
-                state.kindTag.push(state.tag);
-                state.localMode = modes[kind] || modes.html;
-                state.localState = CodeMirror.startState(state.localMode);
+                state.context.kind = kind;
+                var mode = modes[kind] || modes.html;
+                var localState = last(state.localStates);
+                if (localState.mode.indent) {
+                  state.indent += localState.mode.indent(localState.state, "", "");
+                }
+                state.localStates.push({
+                  mode: mode,
+                  state: CodeMirror.startState(mode)
+                });
               }
               return "attribute";
-            } else if (stream.match(/^"/)) {
+            } else if (match = stream.match(/([\w]+)(?=\()/)) {
+              return "variable callee";
+            } else if (match = stream.match(/^["']/)) {
               state.soyState.push("string");
+              state.quoteKind = match;
               return "string";
             }
+            if (stream.match(/(null|true|false)(?!\w)/) ||
+              stream.match(/0x([0-9a-fA-F]{2,})/) ||
+              stream.match(/-?([0-9]*[.])?[0-9]+(e[0-9]*)?/)) {
+              return "atom";
+            }
+            if (stream.match(/(\||[+\-*\/%]|[=!]=|\?:|[<>]=?)/)) {
+              // Tokenize filter, binary, null propagator, and equality operators.
+              return "operator";
+            }
+            if (match = stream.match(/^\$([\w]+)/)) {
+              return ref(state.variables, match[1]);
+            }
+            if (match = stream.match(/^\w+/)) {
+              return /^(?:as|and|or|not|in)$/.test(match[0]) ? "keyword" : null;
+            }
             stream.next();
             return null;
 
@@ -119,40 +334,59 b''
               return this.token(stream, state);
             }
             return tokenUntil(stream, state, /\{\/literal}/);
-
-          case "string":
-            if (stream.match(/^.*?"/)) {
-              state.soyState.pop();
-            } else {
-              stream.skipToEnd();
-            }
-            return "string";
         }
 
-        if (stream.match(/^\/\*/)) {
-          state.soyState.push("comment");
-          return "comment";
-        } else if (stream.match(stream.sol() ? /^\s*\/\/.*/ : /^\s+\/\/.*/)) {
-          return "comment";
-        } else if (stream.match(/^\{\$[\w?]*/)) {
-          state.indent += 2 * config.indentUnit;
-          state.soyState.push("variable");
-          return "variable-2";
-        } else if (stream.match(/^\{literal}/)) {
+        if (stream.match(/^\{literal}/)) {
           state.indent += config.indentUnit;
           state.soyState.push("literal");
+          state.context = new Context(state.context, "literal", state.variables);
           return "keyword";
-        } else if (match = stream.match(/^\{([\/@\\]?[\w?]*)/)) {
-          if (match[1] != "/switch")
-            state.indent += (/^(\/|(else|elseif|case|default)$)/.test(match[1]) && state.tag != "switch" ? 1 : 2) * config.indentUnit;
+
+        // A tag-keyword must be followed by whitespace, comment or a closing tag.
+        } else if (match = stream.match(/^\{([/@\\]?\w+\??)(?=$|[\s}]|\/[/*])/)) {
+          var prevTag = state.tag;
           state.tag = match[1];
-          if (state.tag == "/" + last(state.kindTag)) {
-            // We found the tag that opened the current kind="".
-            state.kind.pop();
-            state.kindTag.pop();
-            state.localMode = modes[last(state.kind)] || modes.html;
-            state.localState = CodeMirror.startState(state.localMode);
+          var endTag = state.tag[0] == "/";
+          var indentingTag = !!tags[state.tag];
+          var tagName = endTag ? state.tag.substring(1) : state.tag;
+          var tag = tags[tagName];
+          if (state.tag != "/switch")
+            state.indent += ((endTag || tag && tag.reduceIndent) && prevTag != "switch" ? 1 : 2) * config.indentUnit;
+
+          state.soyState.push("tag");
+          var tagError = false;
+          if (tag) {
+            if (!endTag) {
+              if (tag.soyState) state.soyState.push(tag.soyState);
+            }
+            // If a new tag, open a new context.
+            if (!tag.noEndTag && (indentingTag || !endTag)) {
+              state.context = new Context(state.context, state.tag, tag.variableScope ? state.variables : null);
+            // Otherwise close the current context.
+            } else if (endTag) {
+              if (!state.context || state.context.tag != tagName) {
+                tagError = true;
+              } else if (state.context) {
+                if (state.context.kind) {
+                  state.localStates.pop();
+                  var localState = last(state.localStates);
+                  if (localState.mode.indent) {
+                    state.indent -= localState.mode.indent(localState.state, "", "");
+                  }
+                }
+                popcontext(state);
+              }
+            }
+          } else if (endTag) {
+            // Assume all tags with a closing tag are defined in the config.
+            tagError = true;
           }
+          return (tagError ? "error " : "") + "keyword";
+
+        // Not a tag-keyword; it's an implicit print tag.
+        } else if (stream.eat('{')) {
+          state.tag = "print";
+          state.indent += 2 * config.indentUnit;
           state.soyState.push("tag");
           return "keyword";
         }
@@ -160,7 +394,7 b''
         return tokenUntil(stream, state, /\{|\s+\/\/|\/\*/);
       },
 
-      indent: function(state, textAfter) {
+      indent: function(state, textAfter, line) {
         var indent = state.indent, top = last(state.soyState);
         if (top == "comment") return CodeMirror.Pass;
 
@@ -172,14 +406,16 b''
           if (state.tag != "switch" && /^\{(case|default)\b/.test(textAfter)) indent -= config.indentUnit;
           if (/^\{\/switch\b/.test(textAfter)) indent -= config.indentUnit;
         }
-        if (indent && state.localMode.indent)
-          indent += state.localMode.indent(state.localState, textAfter);
+        var localState = last(state.localStates);
+        if (indent && localState.mode.indent) {
+          indent += localState.mode.indent(localState.state, textAfter, line);
+        }
         return indent;
       },
 
       innerMode: function(state) {
         if (state.soyState.length && last(state.soyState) != "literal") return null;
-        else return {state: state.localState, mode: state.localMode};
+        else return last(state.localStates);
       },
 
       electricInput: /^\s*\{(\/|\/template|\/deltemplate|\/switch|fallbackmsg|elseif|else|case|default|ifempty|\/literal\})$/,
@@ -187,12 +423,15 b''
       blockCommentStart: "/*",
       blockCommentEnd: "*/",
       blockCommentContinue: " * ",
+      useInnerComments: false,
       fold: "indent"
     };
   }, "htmlmixed");
 
-  CodeMirror.registerHelper("hintWords", "soy", indentingTags.concat(
-      ["delpackage", "namespace", "alias", "print", "css", "debugger"]));
+  CodeMirror.registerHelper("wordChars", "soy", /[\w$]/);
+
+  CodeMirror.registerHelper("hintWords", "soy", Object.keys(tags).concat(
+      ["css", "debugger"]));
 
   CodeMirror.defineMIME("text/x-soy", "soy");
 });

rhodecode/public/js/mode/sparql/sparql.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -25,7 +25,7 b' CodeMirror.defineMode("sparql", function'
                         "strbefore", "strafter", "year", "month", "day", "hours", "minutes", "seconds",
                         "timezone", "tz", "now", "uuid", "struuid", "md5", "sha1", "sha256", "sha384",
                         "sha512", "coalesce", "if", "strlang", "strdt", "isnumeric", "regex", "exists",
-                        "isblank", "isliteral", "a"]);
+                        "isblank", "isliteral", "a", "bind"]);
   var keywords = wordRegexp(["base", "prefix", "select", "distinct", "reduced", "construct", "describe",
                              "ask", "from", "named", "where", "order", "limit", "offset", "filter", "optional",
                              "graph", "by", "asc", "desc", "as", "having", "undef", "values", "group",
@@ -41,7 +41,7 b' CodeMirror.defineMode("sparql", function'
       if(ch == "?" && stream.match(/\s/, false)){
         return "operator";
       }
-      stream.match(/^[\w\d]*/);
+      stream.match(/^[A-Za-z0-9_\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD][A-Za-z0-9_\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]*/);
       return "variable-2";
     }
     else if (ch == "<" && !stream.match(/^[\s\u00a0=]/, false)) {
@@ -135,7 +135,11 b' CodeMirror.defineMode("sparql", function'
       else if (curPunc == "{") pushContext(state, "}", stream.column());
       else if (/[\]\}\)]/.test(curPunc)) {
         while (state.context && state.context.type == "pattern") popContext(state);
-        if (state.context && curPunc == state.context.type) popContext(state);
+        if (state.context && curPunc == state.context.type) {
+          popContext(state);
+          if (curPunc == "}" && state.context && state.context.type == "pattern")
+            popContext(state);
+        }
       }
       else if (curPunc == "." && state.context && state.context.type == "pattern") popContext(state);
       else if (/atom|string|variable/.test(style) && state.context) {

rhodecode/public/js/mode/spreadsheet/spreadsheet.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -70,7 +70,10 b''
           return "operator";
         case "\\":
           if (stream.match(/\\[a-z]+/)) return "string-2";
-          else return null;
+          else {
+            stream.next();
+            return "atom";
+          }
         case ".":
         case ",":
         case ";":

rhodecode/public/js/mode/sql/sql.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -12,16 +12,17 b''
 "use strict";
 
 CodeMirror.defineMode("sql", function(config, parserConfig) {
-  "use strict";
-
   var client         = parserConfig.client || {},
       atoms          = parserConfig.atoms || {"false": true, "true": true, "null": true},
-      builtin        = parserConfig.builtin || {},
-      keywords       = parserConfig.keywords || {},
-      operatorChars  = parserConfig.operatorChars || /^[*+\-%<>!=&|~^]/,
+      builtin        = parserConfig.builtin || set(defaultBuiltin),
+      keywords       = parserConfig.keywords || set(sqlKeywords),
+      operatorChars  = parserConfig.operatorChars || /^[*+\-%<>!=&|~^\/]/,
       support        = parserConfig.support || {},
       hooks          = parserConfig.hooks || {},
-      dateSQL        = parserConfig.dateSQL || {"date" : true, "time" : true, "timestamp" : true};
+      dateSQL        = parserConfig.dateSQL || {"date" : true, "time" : true, "timestamp" : true},
+      backslashStringEscapes = parserConfig.backslashStringEscapes !== false,
+      brackets       = parserConfig.brackets || /^[\{}\(\)\[\]]/,
+      punctuation    = parserConfig.punctuation || /^[;.,:]/
 
   function tokenBase(stream, state) {
     var ch = stream.next();
@@ -32,13 +33,13 b' CodeMirror.defineMode("sql", function(co'
       if (result !== false) return result;
     }
 
-    if (support.hexNumber == true &&
+    if (support.hexNumber &&
       ((ch == "0" && stream.match(/^[xX][0-9a-fA-F]+/))
       || (ch == "x" || ch == "X") && stream.match(/^'[0-9a-fA-F]+'/))) {
       // hex
       // ref: http://dev.mysql.com/doc/refman/5.5/en/hexadecimal-literals.html
       return "number";
-    } else if (support.binaryNumber == true &&
+    } else if (support.binaryNumber &&
       (((ch == "b" || ch == "B") && stream.match(/^'[01]+'/))
       || (ch == "0" && stream.match(/^b[01]+/)))) {
       // bitstring
@@ -47,8 +48,8 b' CodeMirror.defineMode("sql", function(co'
     } else if (ch.charCodeAt(0) > 47 && ch.charCodeAt(0) < 58) {
       // numbers
       // ref: http://dev.mysql.com/doc/refman/5.5/en/number-literals.html
-          stream.match(/^[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?/);
-      support.decimallessFloat == true && stream.eat('.');
+      stream.match(/^[0-9]*(\.[0-9]+)?([eE][-+]?[0-9]+)?/);
+      support.decimallessFloat && stream.match(/^\.(?!\.)/);
       return "number";
     } else if (ch == "?" && (stream.eatSpace() || stream.eol() || stream.eat(";"))) {
       // placeholders
@@ -58,15 +59,12 b' CodeMirror.defineMode("sql", function(co'
       // ref: http://dev.mysql.com/doc/refman/5.5/en/string-literals.html
       state.tokenize = tokenLiteral(ch);
       return state.tokenize(stream, state);
-    } else if ((((support.nCharCast == true && (ch == "n" || ch == "N"))
-        || (support.charsetCast == true && ch == "_" && stream.match(/[a-z][a-z0-9]*/i)))
+    } else if ((((support.nCharCast && (ch == "n" || ch == "N"))
+        || (support.charsetCast && ch == "_" && stream.match(/[a-z][a-z0-9]*/i)))
         && (stream.peek() == "'" || stream.peek() == '"'))) {
       // charset casting: _utf8'str', N'str', n'str'
       // ref: http://dev.mysql.com/doc/refman/5.5/en/string-literals.html
       return "keyword";
-    } else if (/^[\(\),\;\[\]]/.test(ch)) {
-      // no highlightning
-      return null;
     } else if (support.commentSlashSlash && ch == "/" && stream.eat("/")) {
       // 1-line comment
       stream.skipToEnd();
@@ -80,22 +78,29 b' CodeMirror.defineMode("sql", function(co'
     } else if (ch == "/" && stream.eat("*")) {
       // multi-line comments
       // ref: https://kb.askmonty.org/en/comment-syntax/
-      state.tokenize = tokenComment;
+      state.tokenize = tokenComment(1);
       return state.tokenize(stream, state);
     } else if (ch == ".") {
       // .1 for 0.1
-      if (support.zerolessFloat == true && stream.match(/^(?:\d+(?:e[+-]?\d+)?)/i)) {
+      if (support.zerolessFloat && stream.match(/^(?:\d+(?:e[+-]?\d+)?)/i))
         return "number";
-      }
+      if (stream.match(/^\.+/))
+        return null
       // .table_name (ODBC)
       // // ref: http://dev.mysql.com/doc/refman/5.6/en/identifier-qualifiers.html
-      if (support.ODBCdotTable == true && stream.match(/^[a-zA-Z_]+/)) {
+      if (support.ODBCdotTable && stream.match(/^[\w\d_]+/))
         return "variable-2";
-      }
     } else if (operatorChars.test(ch)) {
       // operators
       stream.eatWhile(operatorChars);
-      return null;
+      return "operator";
+    } else if (brackets.test(ch)) {
+      // brackets
+      return "bracket";
+    } else if (punctuation.test(ch)) {
+      // punctuation
+      stream.eatWhile(punctuation);
+      return "punctuation";
     } else if (ch == '{' &&
         (stream.match(/^( )*(d|D|t|T|ts|TS)( )*'[^']*'( )*}/) || stream.match(/^( )*(d|D|t|T|ts|TS)( )*"[^"]*"( )*}/))) {
       // dates (weird ODBC syntax)
@@ -125,25 +130,20 b' CodeMirror.defineMode("sql", function(co'
           state.tokenize = tokenBase;
           break;
         }
-        escaped = !escaped && ch == "\\";
+        escaped = backslashStringEscapes && !escaped && ch == "\\";
       }
       return "string";
     };
   }
-  function tokenComment(stream, state) {
-    while (true) {
-      if (stream.skipTo("*")) {
-        stream.next();
-        if (stream.eat("/")) {
-          state.tokenize = tokenBase;
-          break;
-        }
-      } else {
-        stream.skipToEnd();
-        break;
-      }
+  function tokenComment(depth) {
+    return function(stream, state) {
+      var m = stream.match(/^.*?(\/\*|\*\/)/)
+      if (!m) stream.skipToEnd()
+      else if (m[1] == "/*") state.tokenize = tokenComment(depth + 1)
+      else if (depth > 1) state.tokenize = tokenComment(depth - 1)
+      else state.tokenize = tokenBase
+      return "comment"
     }
-    return "comment";
   }
 
   function pushContext(stream, state, type) {
@@ -170,7 +170,7 b' CodeMirror.defineMode("sql", function(co'
         if (state.context && state.context.align == null)
           state.context.align = false;
       }
-      if (stream.eatSpace()) return null;
+      if (state.tokenize == tokenBase && stream.eatSpace()) return null;
 
       var style = state.tokenize(stream, state);
       if (style == "comment") return style;
@@ -198,13 +198,11 b' CodeMirror.defineMode("sql", function(co'
 
     blockCommentStart: "/*",
     blockCommentEnd: "*/",
-    lineComment: support.commentSlashSlash ? "//" : support.commentHash ? "#" : null
+    lineComment: support.commentSlashSlash ? "//" : support.commentHash ? "#" : "--",
+    closeBrackets: "()[]{}''\"\"``"
   };
 });
 
-(function() {
-  "use strict";
-
   // `identifier`
   function hookIdentifier(stream) {
     // MySQL/MariaDB identifiers
@@ -217,6 +215,19 b' CodeMirror.defineMode("sql", function(co'
     return stream.eatWhile(/\w/) ? "variable-2" : null;
   }
 
+  // "identifier"
+  function hookIdentifierDoublequote(stream) {
+    // Standard SQL /SQLite identifiers
+    // ref: http://web.archive.org/web/20160813185132/http://savage.net.au/SQL/sql-99.bnf.html#delimited%20identifier
+    // ref: http://sqlite.org/lang_keywords.html
+    var ch;
+    while ((ch = stream.next()) != null) {
+      if (ch == "\"" && !stream.eat("\"")) return "variable-2";
+    }
+    stream.backUp(stream.current().length - 1);
+    return stream.eatWhile(/\w/) ? "variable-2" : null;
+  }
+
   // variable token
   function hookVar(stream) {
     // variables
@@ -257,7 +268,7 b' CodeMirror.defineMode("sql", function(co'
   }
 
   // these keywords are used by all SQL dialects (however, a mode can still overwrite it)
-  var sqlKeywords = "alter and as asc between by count create delete desc distinct drop from group having in insert into is join like not on or order select set table union update values where limit";
+  var sqlKeywords = "alter and as asc between by count create delete desc distinct drop from group having in insert into is join like not on or order select set table union update values where limit ";
 
   // turn a space-separated list into an array
   function set(str) {
@@ -266,24 +277,28 b' CodeMirror.defineMode("sql", function(co'
     return obj;
   }
 
+  var defaultBuiltin = "bool boolean bit blob enum long longblob longtext medium mediumblob mediumint mediumtext time timestamp tinyblob tinyint tinytext text bigint int int1 int2 int3 int4 int8 integer float float4 float8 double char varbinary varchar varcharacter precision real date datetime year unsigned signed decimal numeric"
+
   // A generic SQL Mode. It's not a standard, it just try to support what is generally supported
   CodeMirror.defineMIME("text/x-sql", {
     name: "sql",
     keywords: set(sqlKeywords + "begin"),
-    builtin: set("bool boolean bit blob enum long longblob longtext medium mediumblob mediumint mediumtext time timestamp tinyblob tinyint tinytext text bigint int int1 int2 int3 int4 int8 integer float float4 float8 double char varbinary varchar varcharacter precision real date datetime year unsigned signed decimal numeric"),
+    builtin: set(defaultBuiltin),
     atoms: set("false true null unknown"),
-    operatorChars: /^[*+\-%<>!=]/,
     dateSQL: set("date time timestamp"),
     support: set("ODBCdotTable doubleQuote binaryNumber hexNumber")
   });
 
   CodeMirror.defineMIME("text/x-mssql", {
     name: "sql",
-    client: set("charset clear connect edit ego exit go help nopager notee nowarning pager print prompt quit rehash source status system tee"),
-    keywords: set(sqlKeywords + "begin trigger proc view index for add constraint key primary foreign collate clustered nonclustered declare"),
+    client: set("$partition binary_checksum checksum connectionproperty context_info current_request_id error_line error_message error_number error_procedure error_severity error_state formatmessage get_filestream_transaction_context getansinull host_id host_name isnull isnumeric min_active_rowversion newid newsequentialid rowcount_big xact_state object_id"),
+    keywords: set(sqlKeywords + "begin trigger proc view index for add constraint key primary foreign collate clustered nonclustered declare exec go if use index holdlock nolock nowait paglock readcommitted readcommittedlock readpast readuncommitted repeatableread rowlock serializable snapshot tablock tablockx updlock with"),
     builtin: set("bigint numeric bit smallint decimal smallmoney int tinyint money float real char varchar text nchar nvarchar ntext binary varbinary image cursor timestamp hierarchyid uniqueidentifier sql_variant xml table "),
-    atoms: set("false true null unknown"),
-    operatorChars: /^[*+\-%<>!=]/,
+    atoms: set("is not null like and or in left right between inner outer join all any some cross unpivot pivot exists"),
+    operatorChars: /^[*+\-%<>!=^\&|\/]/,
+    brackets: /^[\{}\(\)]/,
+    punctuation: /^[;.,:/]/,
+    backslashStringEscapes: false,
     dateSQL: set("date datetimeoffset datetime2 smalldatetime datetime time"),
     hooks: {
       "@":   hookVar
@@ -322,6 +337,36 b' CodeMirror.defineMode("sql", function(co'
     }
   });
 
+  // provided by the phpLiteAdmin project - phpliteadmin.org
+  CodeMirror.defineMIME("text/x-sqlite", {
+    name: "sql",
+    // commands of the official SQLite client, ref: https://www.sqlite.org/cli.html#dotcmd
+    client: set("auth backup bail binary changes check clone databases dbinfo dump echo eqp exit explain fullschema headers help import imposter indexes iotrace limit lint load log mode nullvalue once open output print prompt quit read restore save scanstats schema separator session shell show stats system tables testcase timeout timer trace vfsinfo vfslist vfsname width"),
+    // ref: http://sqlite.org/lang_keywords.html
+    keywords: set(sqlKeywords + "abort action add after all analyze attach autoincrement before begin cascade case cast check collate column commit conflict constraint cross current_date current_time current_timestamp database default deferrable deferred detach each else end escape except exclusive exists explain fail for foreign full glob if ignore immediate index indexed initially inner instead intersect isnull key left limit match natural no notnull null of offset outer plan pragma primary query raise recursive references regexp reindex release rename replace restrict right rollback row savepoint temp temporary then to transaction trigger unique using vacuum view virtual when with without"),
+    // SQLite is weakly typed, ref: http://sqlite.org/datatype3.html. This is just a list of some common types.
+    builtin: set("bool boolean bit blob decimal double float long longblob longtext medium mediumblob mediumint mediumtext time timestamp tinyblob tinyint tinytext text clob bigint int int2 int8 integer float double char varchar date datetime year unsigned signed numeric real"),
+    // ref: http://sqlite.org/syntax/literal-value.html
+    atoms: set("null current_date current_time current_timestamp"),
+    // ref: http://sqlite.org/lang_expr.html#binaryops
+    operatorChars: /^[*+\-%<>!=&|/~]/,
+    // SQLite is weakly typed, ref: http://sqlite.org/datatype3.html. This is just a list of some common types.
+    dateSQL: set("date time timestamp datetime"),
+    support: set("decimallessFloat zerolessFloat"),
+    identifierQuote: "\"",  //ref: http://sqlite.org/lang_keywords.html
+    hooks: {
+      // bind-parameters ref:http://sqlite.org/lang_expr.html#varparam
+      "@":   hookVar,
+      ":":   hookVar,
+      "?":   hookVar,
+      "$":   hookVar,
+      // The preferred way to escape Identifiers is using double quotes, ref: http://sqlite.org/lang_keywords.html
+      "\"":   hookIdentifierDoublequote,
+      // there is also support for backtics, ref: http://sqlite.org/lang_keywords.html
+      "`":   hookIdentifier
+    }
+  });
+
   // the query language used by Apache Cassandra is called CQL, but this mime type
   // is called Cassandra to avoid confusion with Contextual Query Language
   CodeMirror.defineMIME("text/x-cassandra", {
@@ -341,8 +386,8 b' CodeMirror.defineMode("sql", function(co'
     name:       "sql",
     client:     set("appinfo arraysize autocommit autoprint autorecovery autotrace blockterminator break btitle cmdsep colsep compatibility compute concat copycommit copytypecheck define describe echo editfile embedded escape exec execute feedback flagger flush heading headsep instance linesize lno loboffset logsource long longchunksize markup native newpage numformat numwidth pagesize pause pno recsep recsepchar release repfooter repheader serveroutput shiftinout show showmode size spool sqlblanklines sqlcase sqlcode sqlcontinue sqlnumber sqlpluscompatibility sqlprefix sqlprompt sqlterminator suffix tab term termout time timing trimout trimspool ttitle underline verify version wrap"),
     keywords:   set("abort accept access add all alter and any array arraylen as asc assert assign at attributes audit authorization avg base_table begin between binary_integer body boolean by case cast char char_base check close cluster clusters colauth column comment commit compress connect connected constant constraint crash create current currval cursor data_base database date dba deallocate debugoff debugon decimal declare default definition delay delete desc digits dispose distinct do drop else elseif elsif enable end entry escape exception exception_init exchange exclusive exists exit external fast fetch file for force form from function generic goto grant group having identified if immediate in increment index indexes indicator initial initrans insert interface intersect into is key level library like limited local lock log logging long loop master maxextents maxtrans member minextents minus mislabel mode modify multiset new next no noaudit nocompress nologging noparallel not nowait number_base object of off offline on online only open option or order out package parallel partition pctfree pctincrease pctused pls_integer positive positiven pragma primary prior private privileges procedure public raise range raw read rebuild record ref references refresh release rename replace resource restrict return returning returns reverse revoke rollback row rowid rowlabel rownum rows run savepoint schema segment select separate session set share snapshot some space split sql start statement storage subtype successful synonym tabauth table tables tablespace task terminate then to trigger truncate type union unique unlimited unrecoverable unusable update use using validate value values variable view views when whenever where while with work"),
-    builtin:    set("abs acos add_months ascii asin atan atan2 average bfile bfilename bigserial bit blob ceil character chartorowid chr clob concat convert cos cosh count dec decode deref dual dump dup_val_on_index empty error exp false float floor found glb greatest hextoraw initcap instr instrb int integer isopen last_day least lenght lenghtb ln lower lpad ltrim lub make_ref max min mlslabel mod months_between natural naturaln nchar nclob new_time next_day nextval nls_charset_decl_len nls_charset_id nls_charset_name nls_initcap nls_lower nls_sort nls_upper nlssort no_data_found notfound null number numeric nvarchar2 nvl others power rawtohex real reftohex round rowcount rowidtochar rowtype rpad rtrim serial sign signtype sin sinh smallint soundex sqlcode sqlerrm sqrt stddev string substr substrb sum sysdate tan tanh to_char text to_date to_label to_multi_byte to_number to_single_byte translate true trunc uid unlogged upper user userenv varchar varchar2 variance varying vsize xml"),
-    operatorChars: /^[*+\-%<>!=~]/,
+    builtin:    set("abs acos add_months ascii asin atan atan2 average bfile bfilename bigserial bit blob ceil character chartorowid chr clob concat convert cos cosh count dec decode deref dual dump dup_val_on_index empty error exp false float floor found glb greatest hextoraw initcap instr instrb int integer isopen last_day least length lengthb ln lower lpad ltrim lub make_ref max min mlslabel mod months_between natural naturaln nchar nclob new_time next_day nextval nls_charset_decl_len nls_charset_id nls_charset_name nls_initcap nls_lower nls_sort nls_upper nlssort no_data_found notfound null number numeric nvarchar2 nvl others power rawtohex real reftohex round rowcount rowidtochar rowtype rpad rtrim serial sign signtype sin sinh smallint soundex sqlcode sqlerrm sqrt stddev string substr substrb sum sysdate tan tanh to_char text to_date to_label to_multi_byte to_number to_single_byte translate true trunc uid unlogged upper user userenv varchar varchar2 variance varying vsize xml"),
+    operatorChars: /^[*\/+\-%<>!=~]/,
     dateSQL:    set("date time timestamp"),
     support:    set("doubleQuote nCharCast zerolessFloat binaryNumber hexNumber")
   });
@@ -350,15 +395,73 b' CodeMirror.defineMode("sql", function(co'
   // Created to support specific hive keywords
   CodeMirror.defineMIME("text/x-hive", {
     name: "sql",
-    keywords: set("select alter $elem$ $key$ $value$ add after all analyze and archive as asc before between binary both bucket buckets by cascade case cast change cluster clustered clusterstatus collection column columns comment compute concatenate continue create cross cursor data database databases dbproperties deferred delete delimited desc describe directory disable distinct distribute drop else enable end escaped exclusive exists explain export extended external false fetch fields fileformat first format formatted from full function functions grant group having hold_ddltime idxproperties if import in index indexes inpath inputdriver inputformat insert intersect into is items join keys lateral left like limit lines load local location lock locks mapjoin materialized minus msck no_drop nocompress not of offline on option or order out outer outputdriver outputformat overwrite partition partitioned partitions percent plus preserve procedure purge range rcfile read readonly reads rebuild recordreader recordwriter recover reduce regexp rename repair replace restrict revoke right rlike row schema schemas semi sequencefile serde serdeproperties set shared show show_database sort sorted ssl statistics stored streamtable table tables tablesample tblproperties temporary terminated textfile then tmp to touch transform trigger true unarchive undo union uniquejoin unlock update use using utc utc_tmestamp view when where while with"),
-    builtin: set("bool boolean long timestamp tinyint smallint bigint int float double date datetime unsigned string array struct map uniontype"),
+    keywords: set("select alter $elem$ $key$ $value$ add after all analyze and archive as asc before between binary both bucket buckets by cascade case cast change cluster clustered clusterstatus collection column columns comment compute concatenate continue create cross cursor data database databases dbproperties deferred delete delimited desc describe directory disable distinct distribute drop else enable end escaped exclusive exists explain export extended external fetch fields fileformat first format formatted from full function functions grant group having hold_ddltime idxproperties if import in index indexes inpath inputdriver inputformat insert intersect into is items join keys lateral left like limit lines load local location lock locks mapjoin materialized minus msck no_drop nocompress not of offline on option or order out outer outputdriver outputformat overwrite partition partitioned partitions percent plus preserve procedure purge range rcfile read readonly reads rebuild recordreader recordwriter recover reduce regexp rename repair replace restrict revoke right rlike row schema schemas semi sequencefile serde serdeproperties set shared show show_database sort sorted ssl statistics stored streamtable table tables tablesample tblproperties temporary terminated textfile then tmp to touch transform trigger unarchive undo union uniquejoin unlock update use using utc utc_tmestamp view when where while with admin authorization char compact compactions conf cube current current_date current_timestamp day decimal defined dependency directories elem_type exchange file following for grouping hour ignore inner interval jar less logical macro minute month more none noscan over owner partialscan preceding pretty principals protection reload rewrite role roles rollup rows second server sets skewed transactions truncate unbounded unset uri user values window year"),
+    builtin: set("bool boolean long timestamp tinyint smallint bigint int float double date datetime unsigned string array struct map uniontype key_type utctimestamp value_type varchar"),
     atoms: set("false true null unknown"),
     operatorChars: /^[*+\-%<>!=]/,
     dateSQL: set("date timestamp"),
     support: set("ODBCdotTable doubleQuote binaryNumber hexNumber")
   });
-}());
+
+  CodeMirror.defineMIME("text/x-pgsql", {
+    name: "sql",
+    client: set("source"),
+    // For PostgreSQL - https://www.postgresql.org/docs/11/sql-keywords-appendix.html
+    // For pl/pgsql lang - https://github.com/postgres/postgres/blob/REL_11_2/src/pl/plpgsql/src/pl_scanner.c
+    keywords: set(sqlKeywords + "a abort abs absent absolute access according action ada add admin after aggregate alias all allocate also alter always analyse analyze and any are array array_agg array_max_cardinality as asc asensitive assert assertion assignment asymmetric at atomic attach attribute attributes authorization avg backward base64 before begin begin_frame begin_partition bernoulli between bigint binary bit bit_length blob blocked bom boolean both breadth by c cache call called cardinality cascade cascaded case cast catalog catalog_name ceil ceiling chain char char_length character character_length character_set_catalog character_set_name character_set_schema characteristics characters check checkpoint class class_origin clob close cluster coalesce cobol collate collation collation_catalog collation_name collation_schema collect column column_name columns command_function command_function_code comment comments commit committed concurrently condition condition_number configuration conflict connect connection connection_name constant constraint constraint_catalog constraint_name constraint_schema constraints constructor contains content continue control conversion convert copy corr corresponding cost count covar_pop covar_samp create cross csv cube cume_dist current current_catalog current_date current_default_transform_group current_path current_role current_row current_schema current_time current_timestamp current_transform_group_for_type current_user cursor cursor_name cycle data database datalink datatype date datetime_interval_code datetime_interval_precision day db deallocate debug dec decimal declare default defaults deferrable deferred defined definer degree delete delimiter delimiters dense_rank depends depth deref derived desc describe descriptor detach detail deterministic diagnostics dictionary disable discard disconnect dispatch distinct dlnewcopy dlpreviouscopy dlurlcomplete dlurlcompleteonly dlurlcompletewrite dlurlpath dlurlpathonly dlurlpathwrite dlurlscheme dlurlserver dlvalue do document domain double drop dump dynamic dynamic_function dynamic_function_code each element else elseif elsif empty enable encoding encrypted end end_frame end_partition endexec enforced enum equals errcode error escape event every except exception exclude excluding exclusive exec execute exists exit exp explain expression extension external extract false family fetch file filter final first first_value flag float floor following for force foreach foreign fortran forward found frame_row free freeze from fs full function functions fusion g general generated get global go goto grant granted greatest group grouping groups handler having header hex hierarchy hint hold hour id identity if ignore ilike immediate immediately immutable implementation implicit import in include including increment indent index indexes indicator info inherit inherits initially inline inner inout input insensitive insert instance instantiable instead int integer integrity intersect intersection interval into invoker is isnull isolation join k key key_member key_type label lag language large last last_value lateral lead leading leakproof least left length level library like like_regex limit link listen ln load local localtime localtimestamp location locator lock locked log logged loop lower m map mapping match matched materialized max max_cardinality maxvalue member merge message message_length message_octet_length message_text method min minute minvalue mod mode modifies module month more move multiset mumps name names namespace national natural nchar nclob nesting new next nfc nfd nfkc nfkd nil no none normalize normalized not nothing notice notify notnull nowait nth_value ntile null nullable nullif nulls number numeric object occurrences_regex octet_length octets of off offset oids old on only open operator option options or order ordering ordinality others out outer output over overlaps overlay overriding owned owner p pad parallel parameter parameter_mode parameter_name parameter_ordinal_position parameter_specific_catalog parameter_specific_name parameter_specific_schema parser partial partition pascal passing passthrough password path percent percent_rank percentile_cont percentile_disc perform period permission pg_context pg_datatype_name pg_exception_context pg_exception_detail pg_exception_hint placing plans pli policy portion position position_regex power precedes preceding precision prepare prepared preserve primary print_strict_params prior privileges procedural procedure procedures program public publication query quote raise range rank read reads real reassign recheck recovery recursive ref references referencing refresh regr_avgx regr_avgy regr_count regr_intercept regr_r2 regr_slope regr_sxx regr_sxy regr_syy reindex relative release rename repeatable replace replica requiring reset respect restart restore restrict result result_oid return returned_cardinality returned_length returned_octet_length returned_sqlstate returning returns reverse revoke right role rollback rollup routine routine_catalog routine_name routine_schema routines row row_count row_number rows rowtype rule savepoint scale schema schema_name schemas scope scope_catalog scope_name scope_schema scroll search second section security select selective self sensitive sequence sequences serializable server server_name session session_user set setof sets share show similar simple size skip slice smallint snapshot some source space specific specific_name specifictype sql sqlcode sqlerror sqlexception sqlstate sqlwarning sqrt stable stacked standalone start state statement static statistics stddev_pop stddev_samp stdin stdout storage strict strip structure style subclass_origin submultiset subscription substring substring_regex succeeds sum symmetric sysid system system_time system_user t table table_name tables tablesample tablespace temp template temporary text then ties time timestamp timezone_hour timezone_minute to token top_level_count trailing transaction transaction_active transactions_committed transactions_rolled_back transform transforms translate translate_regex translation treat trigger trigger_catalog trigger_name trigger_schema trim trim_array true truncate trusted type types uescape unbounded uncommitted under unencrypted union unique unknown unlink unlisten unlogged unnamed unnest until untyped update upper uri usage use_column use_variable user user_defined_type_catalog user_defined_type_code user_defined_type_name user_defined_type_schema using vacuum valid validate validator value value_of values var_pop var_samp varbinary varchar variable_conflict variadic varying verbose version versioning view views volatile warning when whenever where while whitespace width_bucket window with within without work wrapper write xml xmlagg xmlattributes xmlbinary xmlcast xmlcomment xmlconcat xmldeclaration xmldocument xmlelement xmlexists xmlforest xmliterate xmlnamespaces xmlparse xmlpi xmlquery xmlroot xmlschema xmlserialize xmltable xmltext xmlvalidate year yes zone"),
+    // https://www.postgresql.org/docs/11/datatype.html
+    builtin: set("bigint int8 bigserial serial8 bit varying varbit boolean bool box bytea character char varchar cidr circle date double precision float8 inet integer int int4 interval json jsonb line lseg macaddr macaddr8 money numeric decimal path pg_lsn point polygon real float4 smallint int2 smallserial serial2 serial serial4 text time without zone with timetz timestamp timestamptz tsquery tsvector txid_snapshot uuid xml"),
+    atoms: set("false true null unknown"),
+    operatorChars: /^[*\/+\-%<>!=&|^\/#@?~]/,
+    dateSQL: set("date time timestamp"),
+    support: set("ODBCdotTable decimallessFloat zerolessFloat binaryNumber hexNumber nCharCast charsetCast")
+  });
+
+  // Google's SQL-like query language, GQL
+  CodeMirror.defineMIME("text/x-gql", {
+    name: "sql",
+    keywords: set("ancestor and asc by contains desc descendant distinct from group has in is limit offset on order select superset where"),
+    atoms: set("false true"),
+    builtin: set("blob datetime first key __key__ string integer double boolean null"),
+    operatorChars: /^[*+\-%<>!=]/
+  });
 
+  // Greenplum
+  CodeMirror.defineMIME("text/x-gpsql", {
+    name: "sql",
+    client: set("source"),
+    //https://github.com/greenplum-db/gpdb/blob/master/src/include/parser/kwlist.h
+    keywords: set("abort absolute access action active add admin after aggregate all also alter always analyse analyze and any array as asc assertion assignment asymmetric at authorization backward before begin between bigint binary bit boolean both by cache called cascade cascaded case cast chain char character characteristics check checkpoint class close cluster coalesce codegen collate column comment commit committed concurrency concurrently configuration connection constraint constraints contains content continue conversion copy cost cpu_rate_limit create createdb createexttable createrole createuser cross csv cube current current_catalog current_date current_role current_schema current_time current_timestamp current_user cursor cycle data database day deallocate dec decimal declare decode default defaults deferrable deferred definer delete delimiter delimiters deny desc dictionary disable discard distinct distributed do document domain double drop dxl each else enable encoding encrypted end enum errors escape every except exchange exclude excluding exclusive execute exists explain extension external extract false family fetch fields filespace fill filter first float following for force foreign format forward freeze from full function global grant granted greatest group group_id grouping handler hash having header hold host hour identity if ignore ilike immediate immutable implicit in including inclusive increment index indexes inherit inherits initially inline inner inout input insensitive insert instead int integer intersect interval into invoker is isnull isolation join key language large last leading least left level like limit list listen load local localtime localtimestamp location lock log login mapping master match maxvalue median merge minute minvalue missing mode modifies modify month move name names national natural nchar new newline next no nocreatedb nocreateexttable nocreaterole nocreateuser noinherit nologin none noovercommit nosuperuser not nothing notify notnull nowait null nullif nulls numeric object of off offset oids old on only operator option options or order ordered others out outer over overcommit overlaps overlay owned owner parser partial partition partitions passing password percent percentile_cont percentile_disc placing plans position preceding precision prepare prepared preserve primary prior privileges procedural procedure protocol queue quote randomly range read readable reads real reassign recheck recursive ref references reindex reject relative release rename repeatable replace replica reset resource restart restrict returning returns revoke right role rollback rollup rootpartition row rows rule savepoint scatter schema scroll search second security segment select sequence serializable session session_user set setof sets share show similar simple smallint some split sql stable standalone start statement statistics stdin stdout storage strict strip subpartition subpartitions substring superuser symmetric sysid system table tablespace temp template temporary text then threshold ties time timestamp to trailing transaction treat trigger trim true truncate trusted type unbounded uncommitted unencrypted union unique unknown unlisten until update user using vacuum valid validation validator value values varchar variadic varying verbose version view volatile web when where whitespace window with within without work writable write xml xmlattributes xmlconcat xmlelement xmlexists xmlforest xmlparse xmlpi xmlroot xmlserialize year yes zone"),
+    builtin: set("bigint int8 bigserial serial8 bit varying varbit boolean bool box bytea character char varchar cidr circle date double precision float float8 inet integer int int4 interval json jsonb line lseg macaddr macaddr8 money numeric decimal path pg_lsn point polygon real float4 smallint int2 smallserial serial2 serial serial4 text time without zone with timetz timestamp timestamptz tsquery tsvector txid_snapshot uuid xml"),
+    atoms: set("false true null unknown"),
+    operatorChars: /^[*+\-%<>!=&|^\/#@?~]/,
+    dateSQL: set("date time timestamp"),
+    support: set("ODBCdotTable decimallessFloat zerolessFloat binaryNumber hexNumber nCharCast charsetCast")
+  });
+
+  // Spark SQL
+  CodeMirror.defineMIME("text/x-sparksql", {
+    name: "sql",
+    keywords: set("add after all alter analyze and anti archive array as asc at between bucket buckets by cache cascade case cast change clear cluster clustered codegen collection column columns comment commit compact compactions compute concatenate cost create cross cube current current_date current_timestamp database databases datata dbproperties defined delete delimited deny desc describe dfs directories distinct distribute drop else end escaped except exchange exists explain export extended external false fields fileformat first following for format formatted from full function functions global grant group grouping having if ignore import in index indexes inner inpath inputformat insert intersect interval into is items join keys last lateral lazy left like limit lines list load local location lock locks logical macro map minus msck natural no not null nulls of on optimize option options or order out outer outputformat over overwrite partition partitioned partitions percent preceding principals purge range recordreader recordwriter recover reduce refresh regexp rename repair replace reset restrict revoke right rlike role roles rollback rollup row rows schema schemas select semi separated serde serdeproperties set sets show skewed sort sorted start statistics stored stratify struct table tables tablesample tblproperties temp temporary terminated then to touch transaction transactions transform true truncate unarchive unbounded uncache union unlock unset use using values view when where window with"),
+    builtin: set("tinyint smallint int bigint boolean float double string binary timestamp decimal array map struct uniontype delimited serde sequencefile textfile rcfile inputformat outputformat"),
+    atoms: set("false true null"),
+    operatorChars: /^[*\/+\-%<>!=~&|^]/,
+    dateSQL: set("date time timestamp"),
+    support: set("ODBCdotTable doubleQuote zerolessFloat")
+  });
+
+  // Esper
+  CodeMirror.defineMIME("text/x-esper", {
+    name: "sql",
+    client: set("source"),
+    // http://www.espertech.com/esper/release-5.5.0/esper-reference/html/appendix_keywords.html
+    keywords: set("alter and as asc between by count create delete desc distinct drop from group having in insert into is join like not on or order select set table union update values where limit after all and as at asc avedev avg between by case cast coalesce count create current_timestamp day days delete define desc distinct else end escape events every exists false first from full group having hour hours in inner insert instanceof into irstream is istream join last lastweekday left limit like max match_recognize matches median measures metadatasql min minute minutes msec millisecond milliseconds not null offset on or order outer output partition pattern prev prior regexp retain-union retain-intersection right rstream sec second seconds select set some snapshot sql stddev sum then true unidirectional until update variable weekday when where window"),
+    builtin: {},
+    atoms: set("false true null"),
+    operatorChars: /^[*+\-%<>!=&|^\/#@?~]/,
+    dateSQL: set("time"),
+    support: set("decimallessFloat zerolessFloat binaryNumber hexNumber")
+  });
 });
 
 /*

rhodecode/public/js/mode/stex/stex.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 /*
  * Author: Constantin Jucovschi ([e-mail])
@@ -16,7 +16,7 b''
 })(function(CodeMirror) {
   "use strict";
 
-  CodeMirror.defineMode("stex", function() {
+  CodeMirror.defineMode("stex", function(_config, parserConfig) {
     "use strict";
 
     function pushCommand(state, command) {
@@ -78,6 +78,14 b''
     plugins["begin"] = addPluginPattern("begin", "tag", ["atom"]);
     plugins["end"] = addPluginPattern("end", "tag", ["atom"]);
 
+    plugins["label"    ] = addPluginPattern("label"    , "tag", ["atom"]);
+    plugins["ref"      ] = addPluginPattern("ref"      , "tag", ["atom"]);
+    plugins["eqref"    ] = addPluginPattern("eqref"    , "tag", ["atom"]);
+    plugins["cite"     ] = addPluginPattern("cite"     , "tag", ["atom"]);
+    plugins["bibitem"  ] = addPluginPattern("bibitem"  , "tag", ["atom"]);
+    plugins["Bibitem"  ] = addPluginPattern("Bibitem"  , "tag", ["atom"]);
+    plugins["RBibitem" ] = addPluginPattern("RBibitem" , "tag", ["atom"]);
+
     plugins["DEFAULT"] = function () {
       this.name = "DEFAULT";
       this.style = "tag";
@@ -117,6 +125,10 b''
         setState(state, function(source, state){ return inMathMode(source, state, "\\]"); });
         return "keyword";
       }
+      if (source.match("\\(")) {
+        setState(state, function(source, state){ return inMathMode(source, state, "\\)"); });
+        return "keyword";
+      }
       if (source.match("$$")) {
         setState(state, function(source, state){ return inMathMode(source, state, "$$"); });
         return "keyword";
@@ -161,7 +173,7 b''
       if (source.eatSpace()) {
         return null;
       }
-      if (source.match(endModeSeq)) {
+      if (endModeSeq && source.match(endModeSeq)) {
         setState(state, normal);
         return "keyword";
       }
@@ -223,9 +235,10 b''
 
     return {
       startState: function() {
+        var f = parserConfig.inMathMode ? function(source, state){ return inMathMode(source, state); } : normal;
         return {
           cmdState: [],
-          f: normal
+          f: f
         };
       },
       copyState: function(s) {

rhodecode/public/js/mode/stylus/stylus.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 // Stylus mode created by Dmitry Kiselyov http://git.io/AaRB
 
@@ -15,6 +15,7 b''
 
   CodeMirror.defineMode("stylus", function(config) {
     var indentUnit = config.indentUnit,
+        indentUnitString = '',
         tagKeywords = keySet(tagKeywords_),
         tagVariablesRegexp = /^(a|b|i|s|col|em)$/i,
         propertyKeywords = keySet(propertyKeywords_),
@@ -38,6 +39,8 b''
         type,
         override;
 
+    while (indentUnitString.length < indentUnit) indentUnitString += ' ';
+
     /**
      * Tokenizers
      */
@@ -73,7 +76,7 b''
       if (ch == "#") {
         stream.next();
         // Hex color
-        if (stream.match(/^[0-9a-f]{6}|[0-9a-f]{3}/i)) {
+        if (stream.match(/^[0-9a-f]{3}([0-9a-f]([0-9a-f]{2}){0,2})?\b/i)) {
           return ["atom", "atom"];
         }
         // ID selector
@@ -313,7 +316,7 b''
           return pushContext(state, stream, "block", 0);
         }
       }
-      if (typeIsBlock(type, stream, state)) {
+      if (typeIsBlock(type, stream)) {
         return pushContext(state, stream, "block");
       }
       if (type == "}" && endOfLine(stream)) {
@@ -513,7 +516,7 b''
      */
     states.atBlock = function(type, stream, state) {
       if (type == "(") return pushContext(state, stream, "atBlock_parens");
-      if (typeIsBlock(type, stream, state)) {
+      if (typeIsBlock(type, stream)) {
         return pushContext(state, stream, "block");
       }
       if (typeIsInterpolation(type, stream)) {
@@ -672,7 +675,7 b''
             ch = textAfter && textAfter.charAt(0),
             indent = cx.indent,
             lineFirstWord = firstWordOfLine(textAfter),
-            lineIndent = line.length - line.replace(/^\s*/, "").length,
+            lineIndent = line.match(/^\s*/)[0].replace(/\t/g, indentUnitString).length,
             prevLineFirstWord = state.context.prev ? state.context.prev.line.firstWord : "",
             prevLineIndent = state.context.prev ? state.context.prev.line.indent : lineIndent;
 
@@ -681,7 +684,6 b''
              ch == ")" && (cx.type == "parens" || cx.type == "atBlock_parens") ||
              ch == "{" && (cx.type == "at"))) {
           indent = cx.indent - indentUnit;
-          cx = cx.prev;
         } else if (!(/(\})/.test(ch))) {
           if (/@|\$|\d/.test(ch) ||
               /^\{/.test(textAfter) ||
@@ -732,11 +734,11 b''
   var documentTypes_ = ["domain", "regexp", "url", "url-prefix"];
   var mediaTypes_ = ["all","aural","braille","handheld","print","projection","screen","tty","tv","embossed"];
   var mediaFeatures_ = ["width","min-width","max-width","height","min-height","max-height","device-width","min-device-width","max-device-width","device-height","min-device-height","max-device-height","aspect-ratio","min-aspect-ratio","max-aspect-ratio","device-aspect-ratio","min-device-aspect-ratio","max-device-aspect-ratio","color","min-color","max-color","color-index","min-color-index","max-color-index","monochrome","min-monochrome","max-monochrome","resolution","min-resolution","max-resolution","scan","grid"];
-  var propertyKeywords_ = ["align-content","align-items","align-self","alignment-adjust","alignment-baseline","anchor-point","animation","animation-delay","animation-direction","animation-duration","animation-fill-mode","animation-iteration-count","animation-name","animation-play-state","animation-timing-function","appearance","azimuth","backface-visibility","background","background-attachment","background-clip","background-color","background-image","background-origin","background-position","background-repeat","background-size","baseline-shift","binding","bleed","bookmark-label","bookmark-level","bookmark-state","bookmark-target","border","border-bottom","border-bottom-color","border-bottom-left-radius","border-bottom-right-radius","border-bottom-style","border-bottom-width","border-collapse","border-color","border-image","border-image-outset","border-image-repeat","border-image-slice","border-image-source","border-image-width","border-left","border-left-color","border-left-style","border-left-width","border-radius","border-right","border-right-color","border-right-style","border-right-width","border-spacing","border-style","border-top","border-top-color","border-top-left-radius","border-top-right-radius","border-top-style","border-top-width","border-width","bottom","box-decoration-break","box-shadow","box-sizing","break-after","break-before","break-inside","caption-side","clear","clip","color","color-profile","column-count","column-fill","column-gap","column-rule","column-rule-color","column-rule-style","column-rule-width","column-span","column-width","columns","content","counter-increment","counter-reset","crop","cue","cue-after","cue-before","cursor","direction","display","dominant-baseline","drop-initial-after-adjust","drop-initial-after-align","drop-initial-before-adjust","drop-initial-before-align","drop-initial-size","drop-initial-value","elevation","empty-cells","fit","fit-position","flex","flex-basis","flex-direction","flex-flow","flex-grow","flex-shrink","flex-wrap","float","float-offset","flow-from","flow-into","font","font-feature-settings","font-family","font-kerning","font-language-override","font-size","font-size-adjust","font-stretch","font-style","font-synthesis","font-variant","font-variant-alternates","font-variant-caps","font-variant-east-asian","font-variant-ligatures","font-variant-numeric","font-variant-position","font-weight","grid","grid-area","grid-auto-columns","grid-auto-flow","grid-auto-position","grid-auto-rows","grid-column","grid-column-end","grid-column-start","grid-row","grid-row-end","grid-row-start","grid-template","grid-template-areas","grid-template-columns","grid-template-rows","hanging-punctuation","height","hyphens","icon","image-orientation","image-rendering","image-resolution","inline-box-align","justify-content","left","letter-spacing","line-break","line-height","line-stacking","line-stacking-ruby","line-stacking-shift","line-stacking-strategy","list-style","list-style-image","list-style-position","list-style-type","margin","margin-bottom","margin-left","margin-right","margin-top","marker-offset","marks","marquee-direction","marquee-loop","marquee-play-count","marquee-speed","marquee-style","max-height","max-width","min-height","min-width","move-to","nav-down","nav-index","nav-left","nav-right","nav-up","object-fit","object-position","opacity","order","orphans","outline","outline-color","outline-offset","outline-style","outline-width","overflow","overflow-style","overflow-wrap","overflow-x","overflow-y","padding","padding-bottom","padding-left","padding-right","padding-top","page","page-break-after","page-break-before","page-break-inside","page-policy","pause","pause-after","pause-before","perspective","perspective-origin","pitch","pitch-range","play-during","position","presentation-level","punctuation-trim","quotes","region-break-after","region-break-before","region-break-inside","region-fragment","rendering-intent","resize","rest","rest-after","rest-before","richness","right","rotation","rotation-point","ruby-align","ruby-overhang","ruby-position","ruby-span","shape-image-threshold","shape-inside","shape-margin","shape-outside","size","speak","speak-as","speak-header","speak-numeral","speak-punctuation","speech-rate","stress","string-set","tab-size","table-layout","target","target-name","target-new","target-position","text-align","text-align-last","text-decoration","text-decoration-color","text-decoration-line","text-decoration-skip","text-decoration-style","text-emphasis","text-emphasis-color","text-emphasis-position","text-emphasis-style","text-height","text-indent","text-justify","text-outline","text-overflow","text-shadow","text-size-adjust","text-space-collapse","text-transform","text-underline-position","text-wrap","top","transform","transform-origin","transform-style","transition","transition-delay","transition-duration","transition-property","transition-timing-function","unicode-bidi","vertical-align","visibility","voice-balance","voice-duration","voice-family","voice-pitch","voice-range","voice-rate","voice-stress","voice-volume","volume","white-space","widows","width","word-break","word-spacing","word-wrap","z-index","clip-path","clip-rule","mask","enable-background","filter","flood-color","flood-opacity","lighting-color","stop-color","stop-opacity","pointer-events","color-interpolation","color-interpolation-filters","color-rendering","fill","fill-opacity","fill-rule","image-rendering","marker","marker-end","marker-mid","marker-start","shape-rendering","stroke","stroke-dasharray","stroke-dashoffset","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","text-rendering","baseline-shift","dominant-baseline","glyph-orientation-horizontal","glyph-orientation-vertical","text-anchor","writing-mode","font-smoothing","osx-font-smoothing"];
+  var propertyKeywords_ = ["align-content","align-items","align-self","alignment-adjust","alignment-baseline","anchor-point","animation","animation-delay","animation-direction","animation-duration","animation-fill-mode","animation-iteration-count","animation-name","animation-play-state","animation-timing-function","appearance","azimuth","backface-visibility","background","background-attachment","background-clip","background-color","background-image","background-origin","background-position","background-repeat","background-size","baseline-shift","binding","bleed","bookmark-label","bookmark-level","bookmark-state","bookmark-target","border","border-bottom","border-bottom-color","border-bottom-left-radius","border-bottom-right-radius","border-bottom-style","border-bottom-width","border-collapse","border-color","border-image","border-image-outset","border-image-repeat","border-image-slice","border-image-source","border-image-width","border-left","border-left-color","border-left-style","border-left-width","border-radius","border-right","border-right-color","border-right-style","border-right-width","border-spacing","border-style","border-top","border-top-color","border-top-left-radius","border-top-right-radius","border-top-style","border-top-width","border-width","bottom","box-decoration-break","box-shadow","box-sizing","break-after","break-before","break-inside","caption-side","clear","clip","color","color-profile","column-count","column-fill","column-gap","column-rule","column-rule-color","column-rule-style","column-rule-width","column-span","column-width","columns","content","counter-increment","counter-reset","crop","cue","cue-after","cue-before","cursor","direction","display","dominant-baseline","drop-initial-after-adjust","drop-initial-after-align","drop-initial-before-adjust","drop-initial-before-align","drop-initial-size","drop-initial-value","elevation","empty-cells","fit","fit-position","flex","flex-basis","flex-direction","flex-flow","flex-grow","flex-shrink","flex-wrap","float","float-offset","flow-from","flow-into","font","font-feature-settings","font-family","font-kerning","font-language-override","font-size","font-size-adjust","font-stretch","font-style","font-synthesis","font-variant","font-variant-alternates","font-variant-caps","font-variant-east-asian","font-variant-ligatures","font-variant-numeric","font-variant-position","font-weight","grid","grid-area","grid-auto-columns","grid-auto-flow","grid-auto-position","grid-auto-rows","grid-column","grid-column-end","grid-column-start","grid-row","grid-row-end","grid-row-start","grid-template","grid-template-areas","grid-template-columns","grid-template-rows","hanging-punctuation","height","hyphens","icon","image-orientation","image-rendering","image-resolution","inline-box-align","justify-content","left","letter-spacing","line-break","line-height","line-stacking","line-stacking-ruby","line-stacking-shift","line-stacking-strategy","list-style","list-style-image","list-style-position","list-style-type","margin","margin-bottom","margin-left","margin-right","margin-top","marker-offset","marks","marquee-direction","marquee-loop","marquee-play-count","marquee-speed","marquee-style","max-height","max-width","min-height","min-width","move-to","nav-down","nav-index","nav-left","nav-right","nav-up","object-fit","object-position","opacity","order","orphans","outline","outline-color","outline-offset","outline-style","outline-width","overflow","overflow-style","overflow-wrap","overflow-x","overflow-y","padding","padding-bottom","padding-left","padding-right","padding-top","page","page-break-after","page-break-before","page-break-inside","page-policy","pause","pause-after","pause-before","perspective","perspective-origin","pitch","pitch-range","play-during","position","presentation-level","punctuation-trim","quotes","region-break-after","region-break-before","region-break-inside","region-fragment","rendering-intent","resize","rest","rest-after","rest-before","richness","right","rotation","rotation-point","ruby-align","ruby-overhang","ruby-position","ruby-span","shape-image-threshold","shape-inside","shape-margin","shape-outside","size","speak","speak-as","speak-header","speak-numeral","speak-punctuation","speech-rate","stress","string-set","tab-size","table-layout","target","target-name","target-new","target-position","text-align","text-align-last","text-decoration","text-decoration-color","text-decoration-line","text-decoration-skip","text-decoration-style","text-emphasis","text-emphasis-color","text-emphasis-position","text-emphasis-style","text-height","text-indent","text-justify","text-outline","text-overflow","text-shadow","text-size-adjust","text-space-collapse","text-transform","text-underline-position","text-wrap","top","transform","transform-origin","transform-style","transition","transition-delay","transition-duration","transition-property","transition-timing-function","unicode-bidi","vertical-align","visibility","voice-balance","voice-duration","voice-family","voice-pitch","voice-range","voice-rate","voice-stress","voice-volume","volume","white-space","widows","width","will-change","word-break","word-spacing","word-wrap","z-index","clip-path","clip-rule","mask","enable-background","filter","flood-color","flood-opacity","lighting-color","stop-color","stop-opacity","pointer-events","color-interpolation","color-interpolation-filters","color-rendering","fill","fill-opacity","fill-rule","image-rendering","marker","marker-end","marker-mid","marker-start","shape-rendering","stroke","stroke-dasharray","stroke-dashoffset","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","text-rendering","baseline-shift","dominant-baseline","glyph-orientation-horizontal","glyph-orientation-vertical","text-anchor","writing-mode","font-smoothing","osx-font-smoothing"];
   var nonStandardPropertyKeywords_ = ["scrollbar-arrow-color","scrollbar-base-color","scrollbar-dark-shadow-color","scrollbar-face-color","scrollbar-highlight-color","scrollbar-shadow-color","scrollbar-3d-light-color","scrollbar-track-color","shape-inside","searchfield-cancel-button","searchfield-decoration","searchfield-results-button","searchfield-results-decoration","zoom"];
   var fontProperties_ = ["font-family","src","unicode-range","font-variant","font-feature-settings","font-stretch","font-weight","font-style"];
   var colorKeywords_ = ["aliceblue","antiquewhite","aqua","aquamarine","azure","beige","bisque","black","blanchedalmond","blue","blueviolet","brown","burlywood","cadetblue","chartreuse","chocolate","coral","cornflowerblue","cornsilk","crimson","cyan","darkblue","darkcyan","darkgoldenrod","darkgray","darkgreen","darkkhaki","darkmagenta","darkolivegreen","darkorange","darkorchid","darkred","darksalmon","darkseagreen","darkslateblue","darkslategray","darkturquoise","darkviolet","deeppink","deepskyblue","dimgray","dodgerblue","firebrick","floralwhite","forestgreen","fuchsia","gainsboro","ghostwhite","gold","goldenrod","gray","grey","green","greenyellow","honeydew","hotpink","indianred","indigo","ivory","khaki","lavender","lavenderblush","lawngreen","lemonchiffon","lightblue","lightcoral","lightcyan","lightgoldenrodyellow","lightgray","lightgreen","lightpink","lightsalmon","lightseagreen","lightskyblue","lightslategray","lightsteelblue","lightyellow","lime","limegreen","linen","magenta","maroon","mediumaquamarine","mediumblue","mediumorchid","mediumpurple","mediumseagreen","mediumslateblue","mediumspringgreen","mediumturquoise","mediumvioletred","midnightblue","mintcream","mistyrose","moccasin","navajowhite","navy","oldlace","olive","olivedrab","orange","orangered","orchid","palegoldenrod","palegreen","paleturquoise","palevioletred","papayawhip","peachpuff","peru","pink","plum","powderblue","purple","rebeccapurple","red","rosybrown","royalblue","saddlebrown","salmon","sandybrown","seagreen","seashell","sienna","silver","skyblue","slateblue","slategray","snow","springgreen","steelblue","tan","teal","thistle","tomato","turquoise","violet","wheat","white","whitesmoke","yellow","yellowgreen"];
-  var valueKeywords_ = ["above","absolute","activeborder","additive","activecaption","afar","after-white-space","ahead","alias","all","all-scroll","alphabetic","alternate","always","amharic","amharic-abegede","antialiased","appworkspace","arabic-indic","armenian","asterisks","attr","auto","avoid","avoid-column","avoid-page","avoid-region","background","backwards","baseline","below","bidi-override","binary","bengali","blink","block","block-axis","bold","bolder","border","border-box","both","bottom","break","break-all","break-word","bullets","button","button-bevel","buttonface","buttonhighlight","buttonshadow","buttontext","calc","cambodian","capitalize","caps-lock-indicator","caption","captiontext","caret","cell","center","checkbox","circle","cjk-decimal","cjk-earthly-branch","cjk-heavenly-stem","cjk-ideographic","clear","clip","close-quote","col-resize","collapse","column","compact","condensed","contain","content","content-box","context-menu","continuous","copy","counter","counters","cover","crop","cross","crosshair","currentcolor","cursive","cyclic","dashed","decimal","decimal-leading-zero","default","default-button","destination-atop","destination-in","destination-out","destination-over","devanagari","disc","discard","disclosure-closed","disclosure-open","document","dot-dash","dot-dot-dash","dotted","double","down","e-resize","ease","ease-in","ease-in-out","ease-out","element","ellipse","ellipsis","embed","end","ethiopic","ethiopic-abegede","ethiopic-abegede-am-et","ethiopic-abegede-gez","ethiopic-abegede-ti-er","ethiopic-abegede-ti-et","ethiopic-halehame-aa-er","ethiopic-halehame-aa-et","ethiopic-halehame-am-et","ethiopic-halehame-gez","ethiopic-halehame-om-et","ethiopic-halehame-sid-et","ethiopic-halehame-so-et","ethiopic-halehame-ti-er","ethiopic-halehame-ti-et","ethiopic-halehame-tig","ethiopic-numeric","ew-resize","expanded","extends","extra-condensed","extra-expanded","fantasy","fast","fill","fixed","flat","flex","footnotes","forwards","from","geometricPrecision","georgian","graytext","groove","gujarati","gurmukhi","hand","hangul","hangul-consonant","hebrew","help","hidden","hide","higher","highlight","highlighttext","hiragana","hiragana-iroha","horizontal","hsl","hsla","icon","ignore","inactiveborder","inactivecaption","inactivecaptiontext","infinite","infobackground","infotext","inherit","initial","inline","inline-axis","inline-block","inline-flex","inline-table","inset","inside","intrinsic","invert","italic","japanese-formal","japanese-informal","justify","kannada","katakana","katakana-iroha","keep-all","khmer","korean-hangul-formal","korean-hanja-formal","korean-hanja-informal","landscape","lao","large","larger","left","level","lighter","line-through","linear","linear-gradient","lines","list-item","listbox","listitem","local","logical","loud","lower","lower-alpha","lower-armenian","lower-greek","lower-hexadecimal","lower-latin","lower-norwegian","lower-roman","lowercase","ltr","malayalam","match","matrix","matrix3d","media-controls-background","media-current-time-display","media-fullscreen-button","media-mute-button","media-play-button","media-return-to-realtime-button","media-rewind-button","media-seek-back-button","media-seek-forward-button","media-slider","media-sliderthumb","media-time-remaining-display","media-volume-slider","media-volume-slider-container","media-volume-sliderthumb","medium","menu","menulist","menulist-button","menulist-text","menulist-textfield","menutext","message-box","middle","min-intrinsic","mix","mongolian","monospace","move","multiple","myanmar","n-resize","narrower","ne-resize","nesw-resize","no-close-quote","no-drop","no-open-quote","no-repeat","none","normal","not-allowed","nowrap","ns-resize","numbers","numeric","nw-resize","nwse-resize","oblique","octal","open-quote","optimizeLegibility","optimizeSpeed","oriya","oromo","outset","outside","outside-shape","overlay","overline","padding","padding-box","painted","page","paused","persian","perspective","plus-darker","plus-lighter","pointer","polygon","portrait","pre","pre-line","pre-wrap","preserve-3d","progress","push-button","radial-gradient","radio","read-only","read-write","read-write-plaintext-only","rectangle","region","relative","repeat","repeating-linear-gradient","repeating-radial-gradient","repeat-x","repeat-y","reset","reverse","rgb","rgba","ridge","right","rotate","rotate3d","rotateX","rotateY","rotateZ","round","row-resize","rtl","run-in","running","s-resize","sans-serif","scale","scale3d","scaleX","scaleY","scaleZ","scroll","scrollbar","se-resize","searchfield","searchfield-cancel-button","searchfield-decoration","searchfield-results-button","searchfield-results-decoration","semi-condensed","semi-expanded","separate","serif","show","sidama","simp-chinese-formal","simp-chinese-informal","single","skew","skewX","skewY","skip-white-space","slide","slider-horizontal","slider-vertical","sliderthumb-horizontal","sliderthumb-vertical","slow","small","small-caps","small-caption","smaller","solid","somali","source-atop","source-in","source-out","source-over","space","spell-out","square","square-button","start","static","status-bar","stretch","stroke","sub","subpixel-antialiased","super","sw-resize","symbolic","symbols","table","table-caption","table-cell","table-column","table-column-group","table-footer-group","table-header-group","table-row","table-row-group","tamil","telugu","text","text-bottom","text-top","textarea","textfield","thai","thick","thin","threeddarkshadow","threedface","threedhighlight","threedlightshadow","threedshadow","tibetan","tigre","tigrinya-er","tigrinya-er-abegede","tigrinya-et","tigrinya-et-abegede","to","top","trad-chinese-formal","trad-chinese-informal","translate","translate3d","translateX","translateY","translateZ","transparent","ultra-condensed","ultra-expanded","underline","up","upper-alpha","upper-armenian","upper-greek","upper-hexadecimal","upper-latin","upper-norwegian","upper-roman","uppercase","urdu","url","var","vertical","vertical-text","visible","visibleFill","visiblePainted","visibleStroke","visual","w-resize","wait","wave","wider","window","windowframe","windowtext","words","x-large","x-small","xor","xx-large","xx-small","bicubic","optimizespeed","grayscale","row","row-reverse","wrap","wrap-reverse","column-reverse","flex-start","flex-end","space-between","space-around"];
+  var valueKeywords_ = ["above","absolute","activeborder","additive","activecaption","afar","after-white-space","ahead","alias","all","all-scroll","alphabetic","alternate","always","amharic","amharic-abegede","antialiased","appworkspace","arabic-indic","armenian","asterisks","attr","auto","avoid","avoid-column","avoid-page","avoid-region","background","backwards","baseline","below","bidi-override","binary","bengali","blink","block","block-axis","bold","bolder","border","border-box","both","bottom","break","break-all","break-word","bullets","button","button-bevel","buttonface","buttonhighlight","buttonshadow","buttontext","calc","cambodian","capitalize","caps-lock-indicator","caption","captiontext","caret","cell","center","checkbox","circle","cjk-decimal","cjk-earthly-branch","cjk-heavenly-stem","cjk-ideographic","clear","clip","close-quote","col-resize","collapse","column","compact","condensed","contain","content","contents","content-box","context-menu","continuous","copy","counter","counters","cover","crop","cross","crosshair","currentcolor","cursive","cyclic","dashed","decimal","decimal-leading-zero","default","default-button","destination-atop","destination-in","destination-out","destination-over","devanagari","disc","discard","disclosure-closed","disclosure-open","document","dot-dash","dot-dot-dash","dotted","double","down","e-resize","ease","ease-in","ease-in-out","ease-out","element","ellipse","ellipsis","embed","end","ethiopic","ethiopic-abegede","ethiopic-abegede-am-et","ethiopic-abegede-gez","ethiopic-abegede-ti-er","ethiopic-abegede-ti-et","ethiopic-halehame-aa-er","ethiopic-halehame-aa-et","ethiopic-halehame-am-et","ethiopic-halehame-gez","ethiopic-halehame-om-et","ethiopic-halehame-sid-et","ethiopic-halehame-so-et","ethiopic-halehame-ti-er","ethiopic-halehame-ti-et","ethiopic-halehame-tig","ethiopic-numeric","ew-resize","expanded","extends","extra-condensed","extra-expanded","fantasy","fast","fill","fixed","flat","flex","footnotes","forwards","from","geometricPrecision","georgian","graytext","groove","gujarati","gurmukhi","hand","hangul","hangul-consonant","hebrew","help","hidden","hide","higher","highlight","highlighttext","hiragana","hiragana-iroha","horizontal","hsl","hsla","icon","ignore","inactiveborder","inactivecaption","inactivecaptiontext","infinite","infobackground","infotext","inherit","initial","inline","inline-axis","inline-block","inline-flex","inline-table","inset","inside","intrinsic","invert","italic","japanese-formal","japanese-informal","justify","kannada","katakana","katakana-iroha","keep-all","khmer","korean-hangul-formal","korean-hanja-formal","korean-hanja-informal","landscape","lao","large","larger","left","level","lighter","line-through","linear","linear-gradient","lines","list-item","listbox","listitem","local","logical","loud","lower","lower-alpha","lower-armenian","lower-greek","lower-hexadecimal","lower-latin","lower-norwegian","lower-roman","lowercase","ltr","malayalam","match","matrix","matrix3d","media-controls-background","media-current-time-display","media-fullscreen-button","media-mute-button","media-play-button","media-return-to-realtime-button","media-rewind-button","media-seek-back-button","media-seek-forward-button","media-slider","media-sliderthumb","media-time-remaining-display","media-volume-slider","media-volume-slider-container","media-volume-sliderthumb","medium","menu","menulist","menulist-button","menulist-text","menulist-textfield","menutext","message-box","middle","min-intrinsic","mix","mongolian","monospace","move","multiple","myanmar","n-resize","narrower","ne-resize","nesw-resize","no-close-quote","no-drop","no-open-quote","no-repeat","none","normal","not-allowed","nowrap","ns-resize","numbers","numeric","nw-resize","nwse-resize","oblique","octal","open-quote","optimizeLegibility","optimizeSpeed","oriya","oromo","outset","outside","outside-shape","overlay","overline","padding","padding-box","painted","page","paused","persian","perspective","plus-darker","plus-lighter","pointer","polygon","portrait","pre","pre-line","pre-wrap","preserve-3d","progress","push-button","radial-gradient","radio","read-only","read-write","read-write-plaintext-only","rectangle","region","relative","repeat","repeating-linear-gradient","repeating-radial-gradient","repeat-x","repeat-y","reset","reverse","rgb","rgba","ridge","right","rotate","rotate3d","rotateX","rotateY","rotateZ","round","row-resize","rtl","run-in","running","s-resize","sans-serif","scale","scale3d","scaleX","scaleY","scaleZ","scroll","scrollbar","scroll-position","se-resize","searchfield","searchfield-cancel-button","searchfield-decoration","searchfield-results-button","searchfield-results-decoration","semi-condensed","semi-expanded","separate","serif","show","sidama","simp-chinese-formal","simp-chinese-informal","single","skew","skewX","skewY","skip-white-space","slide","slider-horizontal","slider-vertical","sliderthumb-horizontal","sliderthumb-vertical","slow","small","small-caps","small-caption","smaller","solid","somali","source-atop","source-in","source-out","source-over","space","spell-out","square","square-button","start","static","status-bar","stretch","stroke","sub","subpixel-antialiased","super","sw-resize","symbolic","symbols","table","table-caption","table-cell","table-column","table-column-group","table-footer-group","table-header-group","table-row","table-row-group","tamil","telugu","text","text-bottom","text-top","textarea","textfield","thai","thick","thin","threeddarkshadow","threedface","threedhighlight","threedlightshadow","threedshadow","tibetan","tigre","tigrinya-er","tigrinya-er-abegede","tigrinya-et","tigrinya-et-abegede","to","top","trad-chinese-formal","trad-chinese-informal","translate","translate3d","translateX","translateY","translateZ","transparent","ultra-condensed","ultra-expanded","underline","up","upper-alpha","upper-armenian","upper-greek","upper-hexadecimal","upper-latin","upper-norwegian","upper-roman","uppercase","urdu","url","var","vertical","vertical-text","visible","visibleFill","visiblePainted","visibleStroke","visual","w-resize","wait","wave","wider","window","windowframe","windowtext","words","x-large","x-small","xor","xx-large","xx-small","bicubic","optimizespeed","grayscale","row","row-reverse","wrap","wrap-reverse","column-reverse","flex-start","flex-end","space-between","space-around", "unset"];
 
   var wordOperatorKeywords_ = ["in","and","or","not","is not","is a","is","isnt","defined","if unless"],
       blockKeywords_ = ["for","if","else","unless", "from", "to"],

rhodecode/public/js/mode/swift/swift.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 // Swift mode created by Michael Kaminsky https://github.com/mkaminsky11
 
@@ -19,25 +19,28 b''
     return set
   }
 
-  var keywords = wordSet(["var","let","class","deinit","enum","extension","func","import","init","protocol",
-                          "static","struct","subscript","typealias","as","dynamicType","is","new","super",
-                          "self","Self","Type","__COLUMN__","__FILE__","__FUNCTION__","__LINE__","break","case",
-                          "continue","default","do","else","fallthrough","if","in","for","return","switch",
-                          "where","while","associativity","didSet","get","infix","inout","left","mutating",
-                          "none","nonmutating","operator","override","postfix","precedence","prefix","right",
-                          "set","unowned","weak","willSet"])
-  var definingKeywords = wordSet(["var","let","class","enum","extension","func","import","protocol","struct",
-                                  "typealias","dynamicType","for"])
-  var atoms = wordSet(["Infinity","NaN","undefined","null","true","false","on","off","yes","no","nil","null",
-                       "this","super"])
-  var types = wordSet(["String","bool","int","string","double","Double","Int","Float","float","public",
-                       "private","extension"])
-  var operators = "+-/*%=|&<>#"
-  var punc = ";,.(){}[]"
-  var number = /^-?(?:(?:[\d_]+\.[_\d]*|\.[_\d]+|0o[0-7_\.]+|0b[01_\.]+)(?:e-?[\d_]+)?|0x[\d_a-f\.]+(?:p-?[\d_]+)?)/i
-  var identifier = /^[_A-Za-z$][_A-Za-z$0-9]*/
-  var property = /^[@\.][_A-Za-z$][_A-Za-z$0-9]*/
-  var regexp = /^\/(?!\s)(?:\/\/)?(?:\\.|[^\/])+\//
+  var keywords = wordSet(["_","var","let","class","enum","extension","import","protocol","struct","func","typealias","associatedtype",
+                          "open","public","internal","fileprivate","private","deinit","init","new","override","self","subscript","super",
+                          "convenience","dynamic","final","indirect","lazy","required","static","unowned","unowned(safe)","unowned(unsafe)","weak","as","is",
+                          "break","case","continue","default","else","fallthrough","for","guard","if","in","repeat","switch","where","while",
+                          "defer","return","inout","mutating","nonmutating","catch","do","rethrows","throw","throws","try","didSet","get","set","willSet",
+                          "assignment","associativity","infix","left","none","operator","postfix","precedence","precedencegroup","prefix","right",
+                          "Any","AnyObject","Type","dynamicType","Self","Protocol","__COLUMN__","__FILE__","__FUNCTION__","__LINE__"])
+  var definingKeywords = wordSet(["var","let","class","enum","extension","import","protocol","struct","func","typealias","associatedtype","for"])
+  var atoms = wordSet(["true","false","nil","self","super","_"])
+  var types = wordSet(["Array","Bool","Character","Dictionary","Double","Float","Int","Int8","Int16","Int32","Int64","Never","Optional","Set","String",
+                       "UInt8","UInt16","UInt32","UInt64","Void"])
+  var operators = "+-/*%=|&<>~^?!"
+  var punc = ":;,.(){}[]"
+  var binary = /^\-?0b[01][01_]*/
+  var octal = /^\-?0o[0-7][0-7_]*/
+  var hexadecimal = /^\-?0x[\dA-Fa-f][\dA-Fa-f_]*(?:(?:\.[\dA-Fa-f][\dA-Fa-f_]*)?[Pp]\-?\d[\d_]*)?/
+  var decimal = /^\-?\d[\d_]*(?:\.\d[\d_]*)?(?:[Ee]\-?\d[\d_]*)?/
+  var identifier = /^\$\d+|(`?)[_A-Za-z][_A-Za-z$0-9]*\1/
+  var property = /^\.(?:\$\d+|(`?)[_A-Za-z][_A-Za-z$0-9]*\1)/
+  var instruction = /^\#[A-Za-z]+/
+  var attribute = /^@(?:\$\d+|(`?)[_A-Za-z][_A-Za-z$0-9]*\1)/
+  //var regexp = /^\/(?!\s)(?:\/\/)?(?:\\.|[^\/])+\//
 
   function tokenBase(stream, state, prev) {
     if (stream.sol()) state.indented = stream.indentation()
@@ -53,8 +56,14 b''
         state.tokenize.push(tokenComment)
         return tokenComment(stream, state)
       }
-      if (stream.match(regexp)) return "string-2"
     }
+    if (stream.match(instruction)) return "builtin"
+    if (stream.match(attribute)) return "attribute"
+    if (stream.match(binary)) return "number"
+    if (stream.match(octal)) return "number"
+    if (stream.match(hexadecimal)) return "number"
+    if (stream.match(decimal)) return "number"
+    if (stream.match(property)) return "property"
     if (operators.indexOf(ch) > -1) {
       stream.next()
       return "operator"
@@ -64,25 +73,22 b''
       stream.match("..")
       return "punctuation"
     }
-    if (ch == '"' || ch == "'") {
-      stream.next()
-      var tokenize = tokenString(ch)
+    var stringMatch
+    if (stringMatch = stream.match(/("""|"|')/)) {
+      var tokenize = tokenString.bind(null, stringMatch[0])
       state.tokenize.push(tokenize)
       return tokenize(stream, state)
     }
 
-    if (stream.match(number)) return "number"
-    if (stream.match(property)) return "property"
-
     if (stream.match(identifier)) {
       var ident = stream.current()
+      if (types.hasOwnProperty(ident)) return "variable-2"
+      if (atoms.hasOwnProperty(ident)) return "atom"
       if (keywords.hasOwnProperty(ident)) {
         if (definingKeywords.hasOwnProperty(ident))
           state.prev = "define"
         return "keyword"
       }
-      if (types.hasOwnProperty(ident)) return "variable-2"
-      if (atoms.hasOwnProperty(ident)) return "atom"
       if (prev == "define") return "def"
       return "variable"
     }
@@ -110,30 +116,43 b''
     }
   }
 
-  function tokenString(quote) {
-    return function(stream, state) {
-      var ch, escaped = false
-      while (ch = stream.next()) {
-        if (escaped) {
-          if (ch == "(") {
-            state.tokenize.push(tokenUntilClosingParen())
-            return "string"
-          }
-          escaped = false
-        } else if (ch == quote) {
-          break
-        } else {
-          escaped = ch == "\\"
+  function tokenString(openQuote, stream, state) {
+    var singleLine = openQuote.length == 1
+    var ch, escaped = false
+    while (ch = stream.peek()) {
+      if (escaped) {
+        stream.next()
+        if (ch == "(") {
+          state.tokenize.push(tokenUntilClosingParen())
+          return "string"
         }
+        escaped = false
+      } else if (stream.match(openQuote)) {
+        state.tokenize.pop()
+        return "string"
+      } else {
+        stream.next()
+        escaped = ch == "\\"
       }
+    }
+    if (singleLine) {
       state.tokenize.pop()
-      return "string"
     }
+    return "string"
   }
 
   function tokenComment(stream, state) {
-    stream.match(/^(?:[^*]|\*(?!\/))*/)
-    if (stream.match("*/")) state.tokenize.pop()
+    var ch
+    while (true) {
+      stream.match(/^[^/*]+/, true)
+      ch = stream.next()
+      if (!ch) break
+      if (ch === "/" && stream.eat("*")) {
+        state.tokenize.push(tokenComment)
+      } else if (ch === "*" && stream.eat("/")) {
+        state.tokenize.pop()
+      }
+    }
     return "comment"
   }
 
@@ -194,9 +213,11 b''
 
       lineComment: "//",
       blockCommentStart: "/*",
-      blockCommentEnd: "*/"
+      blockCommentEnd: "*/",
+      fold: "brace",
+      closeBrackets: "()[]{}''\"\"``"
     }
   })
 
   CodeMirror.defineMIME("text/x-swift","swift")
-})
+});

rhodecode/public/js/mode/tcl/tcl.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 //tcl mode by Ford_Lawnmower :: Based on Velocity mode by Steve O'Hara
 
@@ -42,42 +42,34 b' CodeMirror.defineMode("tcl", function() '
       var beforeParams = state.beforeParams;
       state.beforeParams = false;
       var ch = stream.next();
-      if ((ch == '"' || ch == "'") && state.inParams)
+      if ((ch == '"' || ch == "'") && state.inParams) {
         return chain(stream, state, tokenString(ch));
-      else if (/[\[\]{}\(\),;\.]/.test(ch)) {
+      } else if (/[\[\]{}\(\),;\.]/.test(ch)) {
         if (ch == "(" && beforeParams) state.inParams = true;
         else if (ch == ")") state.inParams = false;
           return null;
-      }
-      else if (/\d/.test(ch)) {
+      } else if (/\d/.test(ch)) {
         stream.eatWhile(/[\w\.]/);
         return "number";
-      }
-      else if (ch == "#" && stream.eat("*")) {
-        return chain(stream, state, tokenComment);
-      }
-      else if (ch == "#" && stream.match(/ *\[ *\[/)) {
-        return chain(stream, state, tokenUnparsed);
-      }
-      else if (ch == "#" && stream.eat("#")) {
+      } else if (ch == "#") {
+        if (stream.eat("*"))
+          return chain(stream, state, tokenComment);
+        if (ch == "#" && stream.match(/ *\[ *\[/))
+          return chain(stream, state, tokenUnparsed);
         stream.skipToEnd();
         return "comment";
-      }
-      else if (ch == '"') {
+      } else if (ch == '"') {
         stream.skipTo(/"/);
         return "comment";
-      }
-      else if (ch == "$") {
+      } else if (ch == "$") {
         stream.eatWhile(/[$_a-z0-9A-Z\.{:]/);
         stream.eatWhile(/}/);
         state.beforeParams = true;
         return "builtin";
-      }
-      else if (isOperatorChar.test(ch)) {
+      } else if (isOperatorChar.test(ch)) {
         stream.eatWhile(isOperatorChar);
         return "comment";
-      }
-      else {
+      } else {
         stream.eatWhile(/[\w\$_{}\xa1-\uffff]/);
         var word = stream.current().toLowerCase();
         if (keywords && keywords.propertyIsEnumerable(word))

rhodecode/public/js/mode/textile/textile.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") { // CommonJS
@@ -203,7 +203,7 b''
     single: {
       bc: "bc",
       bq: "bq",
-      definitionList: /- [^(?::=)]+:=+/,
+      definitionList: /- .*?:=+/,
       definitionListEnd: /.*=:\s*$/,
       div: "div",
       drawTable: /\|.*\|/,

rhodecode/public/js/mode/tiddlywiki/tiddlywiki.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 /***
     |''Name''|tiddlywiki.js|
@@ -8,7 +8,7 b''
     |''Version''|0.1.7|
     |''Status''|''stable''|
     |''Source''|[[GitHub|https://github.com/pmario/CodeMirror2/blob/tw-syntax/mode/tiddlywiki]]|
-    |''Documentation''|http://codemirror.tiddlyspace.com/|
+    |''Documentation''|https://codemirror.tiddlyspace.com/|
     |''License''|[[MIT License|http://www.opensource.org/licenses/mit-license.php]]|
     |''CoreVersion''|2.5.0|
     |''Requires''|codemirror.js|
@@ -16,7 +16,6 b''
     ! Info
     CoreVersion parameter is needed for TiddlyWiki only!
 ***/
-//{{{
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -32,73 +31,60 b' CodeMirror.defineMode("tiddlywiki", func'
   // Tokenizer
   var textwords = {};
 
-  var keywords = function () {
-    function kw(type) {
-      return { type: type, style: "macro"};
-    }
-    return {
-      "allTags": kw('allTags'), "closeAll": kw('closeAll'), "list": kw('list'),
-      "newJournal": kw('newJournal'), "newTiddler": kw('newTiddler'),
-      "permaview": kw('permaview'), "saveChanges": kw('saveChanges'),
-      "search": kw('search'), "slider": kw('slider'),   "tabs": kw('tabs'),
-      "tag": kw('tag'), "tagging": kw('tagging'),       "tags": kw('tags'),
-      "tiddler": kw('tiddler'), "timeline": kw('timeline'),
-      "today": kw('today'), "version": kw('version'),   "option": kw('option'),
-
-      "with": kw('with'),
-      "filter": kw('filter')
-    };
-  }();
+  var keywords = {
+    "allTags": true, "closeAll": true, "list": true,
+    "newJournal": true, "newTiddler": true,
+    "permaview": true, "saveChanges": true,
+    "search": true, "slider": true, "tabs": true,
+    "tag": true, "tagging": true, "tags": true,
+    "tiddler": true, "timeline": true,
+    "today": true, "version": true, "option": true,
+    "with": true, "filter": true
+  };
 
   var isSpaceName = /[\w_\-]/i,
-  reHR = /^\-\-\-\-+$/,                                 // <hr>
-  reWikiCommentStart = /^\/\*\*\*$/,            // /***
-  reWikiCommentStop = /^\*\*\*\/$/,             // ***/
-  reBlockQuote = /^<<<$/,
+      reHR = /^\-\-\-\-+$/,                                 // <hr>
+      reWikiCommentStart = /^\/\*\*\*$/,            // /***
+      reWikiCommentStop = /^\*\*\*\/$/,             // ***/
+      reBlockQuote = /^<<<$/,
 
-  reJsCodeStart = /^\/\/\{\{\{$/,                       // //{{{ js block start
-  reJsCodeStop = /^\/\/\}\}\}$/,                        // //}}} js stop
-  reXmlCodeStart = /^<!--\{\{\{-->$/,           // xml block start
-  reXmlCodeStop = /^<!--\}\}\}-->$/,            // xml stop
+      reJsCodeStart = /^\/\/\{\{\{$/,                       // //{{{ js block start
+      reJsCodeStop = /^\/\/\}\}\}$/,                        // //}}} js stop
+      reXmlCodeStart = /^<!--\{\{\{-->$/,           // xml block start
+      reXmlCodeStop = /^<!--\}\}\}-->$/,            // xml stop
 
-  reCodeBlockStart = /^\{\{\{$/,                        // {{{ TW text div block start
-  reCodeBlockStop = /^\}\}\}$/,                 // }}} TW text stop
+      reCodeBlockStart = /^\{\{\{$/,                        // {{{ TW text div block start
+      reCodeBlockStop = /^\}\}\}$/,                 // }}} TW text stop
 
-  reUntilCodeStop = /.*?\}\}\}/;
+      reUntilCodeStop = /.*?\}\}\}/;
 
   function chain(stream, state, f) {
     state.tokenize = f;
     return f(stream, state);
   }
 
-  function jsTokenBase(stream, state) {
-    var sol = stream.sol(), ch;
+  function tokenBase(stream, state) {
+    var sol = stream.sol(), ch = stream.peek();
 
     state.block = false;        // indicates the start of a code block.
 
-    ch = stream.peek();         // don't eat, to make matching simpler
-
     // check start of  blocks
     if (sol && /[<\/\*{}\-]/.test(ch)) {
       if (stream.match(reCodeBlockStart)) {
         state.block = true;
         return chain(stream, state, twTokenCode);
       }
-      if (stream.match(reBlockQuote)) {
+      if (stream.match(reBlockQuote))
         return 'quote';
-      }
-      if (stream.match(reWikiCommentStart) || stream.match(reWikiCommentStop)) {
+      if (stream.match(reWikiCommentStart) || stream.match(reWikiCommentStop))
         return 'comment';
-      }
-      if (stream.match(reJsCodeStart) || stream.match(reJsCodeStop) || stream.match(reXmlCodeStart) || stream.match(reXmlCodeStop)) {
+      if (stream.match(reJsCodeStart) || stream.match(reJsCodeStop) || stream.match(reXmlCodeStart) || stream.match(reXmlCodeStop))
         return 'comment';
-      }
-      if (stream.match(reHR)) {
+      if (stream.match(reHR))
         return 'hr';
-      }
-    } // sol
-    ch = stream.next();
+    }
 
+    stream.next();
     if (sol && /[\/\*!#;:>|]/.test(ch)) {
       if (ch == "!") { // tw header
         stream.skipToEnd();
@@ -124,95 +110,77 b' CodeMirror.defineMode("tiddlywiki", func'
         stream.eatWhile(">");
         return "quote";
       }
-      if (ch == '|') {
+      if (ch == '|')
         return 'header';
-      }
     }
 
-    if (ch == '{' && stream.match(/\{\{/)) {
+    if (ch == '{' && stream.match(/\{\{/))
       return chain(stream, state, twTokenCode);
-    }
 
     // rudimentary html:// file:// link matching. TW knows much more ...
-    if (/[hf]/i.test(ch)) {
-      if (/[ti]/i.test(stream.peek()) && stream.match(/\b(ttps?|tp|ile):\/\/[\-A-Z0-9+&@#\/%?=~_|$!:,.;]*[A-Z0-9+&@#\/%=~_|$]/i)) {
-        return "link";
-      }
-    }
+    if (/[hf]/i.test(ch) &&
+        /[ti]/i.test(stream.peek()) &&
+        stream.match(/\b(ttps?|tp|ile):\/\/[\-A-Z0-9+&@#\/%?=~_|$!:,.;]*[A-Z0-9+&@#\/%=~_|$]/i))
+      return "link";
+
     // just a little string indicator, don't want to have the whole string covered
-    if (ch == '"') {
+    if (ch == '"')
       return 'string';
-    }
-    if (ch == '~') {    // _no_ CamelCase indicator should be bold
+
+    if (ch == '~')    // _no_ CamelCase indicator should be bold
       return 'brace';
-    }
-    if (/[\[\]]/.test(ch)) { // check for [[..]]
-      if (stream.peek() == ch) {
-        stream.next();
-        return 'brace';
-      }
-    }
+
+    if (/[\[\]]/.test(ch) && stream.match(ch)) // check for [[..]]
+      return 'brace';
+
     if (ch == "@") {    // check for space link. TODO fix @@...@@ highlighting
       stream.eatWhile(isSpaceName);
       return "link";
     }
+
     if (/\d/.test(ch)) {        // numbers
       stream.eatWhile(/\d/);
       return "number";
     }
+
     if (ch == "/") { // tw invisible comment
       if (stream.eat("%")) {
         return chain(stream, state, twTokenComment);
-      }
-      else if (stream.eat("/")) { //
+      } else if (stream.eat("/")) { //
         return chain(stream, state, twTokenEm);
       }
     }
-    if (ch == "_") { // tw underline
-      if (stream.eat("_")) {
+
+    if (ch == "_" && stream.eat("_")) // tw underline
         return chain(stream, state, twTokenUnderline);
-      }
-    }
+
     // strikethrough and mdash handling
-    if (ch == "-") {
-      if (stream.eat("-")) {
-        // if strikethrough looks ugly, change CSS.
-        if (stream.peek() != ' ')
-          return chain(stream, state, twTokenStrike);
-        // mdash
-        if (stream.peek() == ' ')
-          return 'brace';
-      }
+    if (ch == "-" && stream.eat("-")) {
+      // if strikethrough looks ugly, change CSS.
+      if (stream.peek() != ' ')
+        return chain(stream, state, twTokenStrike);
+      // mdash
+      if (stream.peek() == ' ')
+        return 'brace';
     }
-    if (ch == "'") { // tw bold
-      if (stream.eat("'")) {
-        return chain(stream, state, twTokenStrong);
-      }
-    }
-    if (ch == "<") { // tw macro
-      if (stream.eat("<")) {
-        return chain(stream, state, twTokenMacro);
-      }
-    }
-    else {
-      return null;
-    }
+
+    if (ch == "'" && stream.eat("'")) // tw bold
+      return chain(stream, state, twTokenStrong);
+
+    if (ch == "<" && stream.eat("<")) // tw macro
+      return chain(stream, state, twTokenMacro);
 
     // core macro handling
     stream.eatWhile(/[\w\$_]/);
-    var word = stream.current(),
-    known = textwords.propertyIsEnumerable(word) && textwords[word];
-
-    return known ? known.style : null;
-  } // jsTokenBase()
+    return textwords.propertyIsEnumerable(stream.current()) ? "keyword" : null
+  }
 
   // tw invisible comment
   function twTokenComment(stream, state) {
-    var maybeEnd = false,
-    ch;
+    var maybeEnd = false, ch;
     while (ch = stream.next()) {
       if (ch == "/" && maybeEnd) {
-        state.tokenize = jsTokenBase;
+        state.tokenize = tokenBase;
         break;
       }
       maybeEnd = (ch == "%");
@@ -226,7 +194,7 b' CodeMirror.defineMode("tiddlywiki", func'
     ch;
     while (ch = stream.next()) {
       if (ch == "'" && maybeEnd) {
-        state.tokenize = jsTokenBase;
+        state.tokenize = tokenBase;
         break;
       }
       maybeEnd = (ch == "'");
@@ -243,12 +211,12 b' CodeMirror.defineMode("tiddlywiki", func'
     }
 
     if (!sb && stream.match(reUntilCodeStop)) {
-      state.tokenize = jsTokenBase;
+      state.tokenize = tokenBase;
       return "comment";
     }
 
     if (sb && stream.sol() && stream.match(reCodeBlockStop)) {
-      state.tokenize = jsTokenBase;
+      state.tokenize = tokenBase;
       return "comment";
     }
 
@@ -262,7 +230,7 b' CodeMirror.defineMode("tiddlywiki", func'
     ch;
     while (ch = stream.next()) {
       if (ch == "/" && maybeEnd) {
-        state.tokenize = jsTokenBase;
+        state.tokenize = tokenBase;
         break;
       }
       maybeEnd = (ch == "/");
@@ -276,7 +244,7 b' CodeMirror.defineMode("tiddlywiki", func'
     ch;
     while (ch = stream.next()) {
       if (ch == "_" && maybeEnd) {
-        state.tokenize = jsTokenBase;
+        state.tokenize = tokenBase;
         break;
       }
       maybeEnd = (ch == "_");
@@ -291,7 +259,7 b' CodeMirror.defineMode("tiddlywiki", func'
 
     while (ch = stream.next()) {
       if (ch == "-" && maybeEnd) {
-        state.tokenize = jsTokenBase;
+        state.tokenize = tokenBase;
         break;
       }
       maybeEnd = (ch == "-");
@@ -301,58 +269,40 b' CodeMirror.defineMode("tiddlywiki", func'
 
   // macro
   function twTokenMacro(stream, state) {
-    var ch, word, known;
-
     if (stream.current() == '<<') {
       return 'macro';
     }
 
-    ch = stream.next();
+    var ch = stream.next();
     if (!ch) {
-      state.tokenize = jsTokenBase;
+      state.tokenize = tokenBase;
       return null;
     }
     if (ch == ">") {
       if (stream.peek() == '>') {
         stream.next();
-        state.tokenize = jsTokenBase;
+        state.tokenize = tokenBase;
         return "macro";
       }
     }
 
     stream.eatWhile(/[\w\$_]/);
-    word = stream.current();
-    known = keywords.propertyIsEnumerable(word) && keywords[word];
-
-    if (known) {
-      return known.style, word;
-    }
-    else {
-      return null, word;
-    }
+    return keywords.propertyIsEnumerable(stream.current()) ? "keyword" : null
   }
 
   // Interface
   return {
     startState: function () {
-      return {
-        tokenize: jsTokenBase,
-        indented: 0,
-        level: 0
-      };
+      return {tokenize: tokenBase};
     },
 
     token: function (stream, state) {
       if (stream.eatSpace()) return null;
       var style = state.tokenize(stream, state);
       return style;
-    },
-
-    electricChars: ""
+    }
   };
 });
 
 CodeMirror.defineMIME("text/x-tiddlywiki", "tiddlywiki");
 });
-
-//}}}

rhodecode/public/js/mode/tiki/tiki.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -144,7 +144,7 b" CodeMirror.defineMode('tiki', function(c"
       type = "equals";
 
       if (peek == ">") {
-        ch = stream.next();
+        stream.next();
         peek = stream.peek();
       }
 
@@ -298,13 +298,13 b' return {'
     if (context && context.noIndent) return 0;
     if (context && /^{\//.test(textAfter))
         context = context.prev;
-        while (context && !context.startOfLine)
-          context = context.prev;
-        if (context) return context.indent + indentUnit;
-        else return 0;
-       },
-    electricChars: "/"
-  };
+    while (context && !context.startOfLine)
+        context = context.prev;
+    if (context) return context.indent + indentUnit;
+    else return 0;
+  },
+  electricChars: "/"
+};
 });
 
 CodeMirror.defineMIME("text/tiki", "tiki");

rhodecode/public/js/mode/toml/toml.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/tornado/tornado.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/troff/troff.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object")
@@ -77,6 +77,8 b" CodeMirror.defineMode('troff', function("
   };
 });
 
-CodeMirror.defineMIME('troff', 'troff');
+CodeMirror.defineMIME('text/troff', 'troff');
+CodeMirror.defineMIME('text/x-troff', 'troff');
+CodeMirror.defineMIME('application/x-troff', 'troff');
 
 });

rhodecode/public/js/mode/ttcn-cfg/ttcn-cfg.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/ttcn/ttcn.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/turtle/turtle.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/mode/twig/twig.js

@@ -1,17 +1,17 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
-    mod(require("../../lib/codemirror"));
+    mod(require("../../lib/codemirror"),  require("../../addon/mode/multiplex"));
   else if (typeof define == "function" && define.amd) // AMD
-    define(["../../lib/codemirror"], mod);
+    define(["../../lib/codemirror", "../../addon/mode/multiplex"], mod);
   else // Plain browser env
     mod(CodeMirror);
 })(function(CodeMirror) {
   "use strict";
 
-  CodeMirror.defineMode("twig", function() {
+  CodeMirror.defineMode("twig:inner", function() {
     var keywords = ["and", "as", "autoescape", "endautoescape", "block", "do", "endblock", "else", "elseif", "extends", "for", "endfor", "embed", "endembed", "filter", "endfilter", "flush", "from", "if", "endif", "in", "is", "include", "import", "not", "or", "set", "spaceless", "endspaceless", "with", "endwith", "trans", "endtrans", "blocktrans", "endblocktrans", "macro", "endmacro", "use", "verbatim", "endverbatim"],
         operator = /^[+\-*&%=<>!?|~^]/,
         sign = /^[:\[\(\{]/,
@@ -95,7 +95,7 b''
         }
         return "variable";
       } else if (stream.eat("{")) {
-        if (ch = stream.eat("#")) {
+        if (stream.eat("#")) {
           state.incomment = true;
           if (!stream.skipTo("#}")) {
             stream.skipToEnd();
@@ -128,5 +128,14 b''
     };
   });
 
+  CodeMirror.defineMode("twig", function(config, parserConfig) {
+    var twigInner = CodeMirror.getMode(config, "twig:inner");
+    if (!parserConfig || !parserConfig.base) return twigInner;
+    return CodeMirror.multiplexingMode(
+      CodeMirror.getMode(config, parserConfig.base), {
+        open: /\{[{#%]/, close: /[}#%]\}/, mode: twigInner, parseDelimiters: true
+      }
+    );
+  });
   CodeMirror.defineMIME("text/x-twig", "twig");
 });

rhodecode/public/js/mode/vb/vb.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -25,16 +25,16 b' CodeMirror.defineMode("vb", function(con'
     var tripleDelimiters = new RegExp("^((//=)|(>>=)|(<<=)|(\\*\\*=))");
     var identifiers = new RegExp("^[_A-Za-z][_A-Za-z0-9]*");
 
-    var openingKeywords = ['class','module', 'sub','enum','select','while','if','function',  'get','set','property', 'try'];
-    var middleKeywords = ['else','elseif','case', 'catch'];
+    var openingKeywords = ['class','module', 'sub','enum','select','while','if','function', 'get','set','property', 'try', 'structure', 'synclock', 'using', 'with'];
+    var middleKeywords = ['else','elseif','case', 'catch', 'finally'];
     var endKeywords = ['next','loop'];
 
-    var operatorKeywords = ['and', 'or', 'not', 'xor', 'in'];
+    var operatorKeywords = ['and', "andalso", 'or', 'orelse', 'xor', 'in', 'not', 'is', 'isnot', 'like'];
     var wordOperators = wordRegexp(operatorKeywords);
-    var commonKeywords = ['as', 'dim', 'break',  'continue','optional', 'then',  'until',
-                          'goto', 'byval','byref','new','handles','property', 'return',
-                          'const','private', 'protected', 'friend', 'public', 'shared', 'static', 'true','false'];
-    var commontypes = ['integer','string','double','decimal','boolean','short','char', 'float','single'];
+
+    var commonKeywords = ["#const", "#else", "#elseif", "#end", "#if", "#region", "addhandler", "addressof", "alias", "as", "byref", "byval", "cbool", "cbyte", "cchar", "cdate", "cdbl", "cdec", "cint", "clng", "cobj", "compare", "const", "continue", "csbyte", "cshort", "csng", "cstr", "cuint", "culng", "cushort", "declare", "default", "delegate", "dim", "directcast", "each", "erase", "error", "event", "exit", "explicit", "false", "for", "friend", "gettype", "goto", "handles", "implements", "imports", "infer", "inherits", "interface", "isfalse", "istrue", "lib", "me", "mod", "mustinherit", "mustoverride", "my", "mybase", "myclass", "namespace", "narrowing", "new", "nothing", "notinheritable", "notoverridable", "of", "off", "on", "operator", "option", "optional", "out", "overloads", "overridable", "overrides", "paramarray", "partial", "private", "protected", "public", "raiseevent", "readonly", "redim", "removehandler", "resume", "return", "shadows", "shared", "static", "step", "stop", "strict", "then", "throw", "to", "true", "trycast", "typeof", "until", "until", "when", "widening", "withevents", "writeonly"];
+
+    var commontypes = ['object', 'boolean', 'char', 'string', 'byte', 'sbyte', 'short', 'ushort', 'int16', 'uint16', 'integer', 'uinteger', 'int32', 'uint32', 'long', 'ulong', 'int64', 'uint64', 'decimal', 'single', 'double', 'float', 'date', 'datetime', 'intptr', 'uintptr'];
 
     var keywords = wordRegexp(commonKeywords);
     var types = wordRegexp(commontypes);
@@ -202,7 +202,6 b' CodeMirror.defineMode("vb", function(con'
         // Handle '.' connected identifiers
         if (current === '.') {
             style = state.tokenize(stream, state);
-            current = stream.current();
             if (style === 'variable') {
                 return 'variable';
             } else {

rhodecode/public/js/mode/vbscript/vbscript.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 /*
 For extra ASP classic objects, initialize CodeMirror instance with this option:

rhodecode/public/js/mode/velocity/velocity.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -34,7 +34,7 b' CodeMirror.defineMode("velocity", functi'
         state.beforeParams = false;
         var ch = stream.next();
         // start of unparsed string?
-        if ((ch == "'") && state.inParams) {
+        if ((ch == "'") && !state.inString && state.inParams) {
             state.lastTokenWasBuiltin = false;
             return chain(stream, state, tokenString(ch));
         }
@@ -82,7 +82,7 b' CodeMirror.defineMode("velocity", functi'
         }
         // variable?
         else if (ch == "$") {
-            stream.eatWhile(/[\w\d\$_\.{}]/);
+            stream.eatWhile(/[\w\d\$_\.{}-]/);
             // is it one of the specials?
             if (specials && specials.propertyIsEnumerable(stream.current())) {
                 return "keyword";

rhodecode/public/js/mode/verilog/verilog.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -81,7 +81,7 b' CodeMirror.defineMode("verilog", functio'
   // Block openings which are closed by a matching keyword in the form of ("end" + keyword)
   // E.g. "task" => "endtask"
   var blockKeywords = words(
-    "case checker class clocking config function generate interface module package" +
+    "case checker class clocking config function generate interface module package " +
     "primitive program property specify sequence table task"
   );
 
@@ -250,7 +250,7 b' CodeMirror.defineMode("verilog", functio'
     if (text == contextClosing) {
       return true;
     } else {
-      // contextClosing may be mulitple keywords separated by ;
+      // contextClosing may be multiple keywords separated by ;
       var closingKeywords = contextClosing.split(";");
       for (var i in closingKeywords) {
         if (text == closingKeywords[i]) {
@@ -302,7 +302,13 b' CodeMirror.defineMode("verilog", functio'
         state.indented = stream.indentation();
         state.startOfLine = true;
       }
-      if (hooks.token) hooks.token(stream, state);
+      if (hooks.token) {
+        // Call hook, with an optional return value of a style to override verilog styling.
+        var style = hooks.token(stream, state);
+        if (style !== undefined) {
+          return style;
+        }
+      }
       if (stream.eatSpace()) return null;
       curPunc = null;
       curKeyword = null;
@@ -375,163 +381,295 b' CodeMirror.defineMode("verilog", functio'
     name: "verilog"
   });
 
-  // TLVVerilog mode
+
+
+  // TL-Verilog mode.
+  // See tl-x.org for language spec.
+  // See the mode in action at makerchip.com.
+  // Contact: [e-mail]
 
-  var tlvchScopePrefixes = {
-    ">": "property", "->": "property", "-": "hr", "|": "link", "?$": "qualifier", "?*": "qualifier",
-    "@-": "variable-3", "@": "variable-3", "?": "qualifier"
+  // TLV Identifier prefixes.
+  // Note that sign is not treated separately, so "+/-" versions of numeric identifiers
+  // are included.
+  var tlvIdentifierStyle = {
+    "|": "link",
+    ">": "property",  // Should condition this off for > TLV 1c.
+    "$": "variable",
+    "$$": "variable",
+    "?$": "qualifier",
+    "?*": "qualifier",
+    "-": "hr",
+    "/": "property",
+    "/-": "property",
+    "@": "variable-3",
+    "@-": "variable-3",
+    "@++": "variable-3",
+    "@+=": "variable-3",
+    "@+=-": "variable-3",
+    "@--": "variable-3",
+    "@-=": "variable-3",
+    "%+": "tag",
+    "%-": "tag",
+    "%": "tag",
+    ">>": "tag",
+    "<<": "tag",
+    "<>": "tag",
+    "#": "tag",  // Need to choose a style for this.
+    "^": "attribute",
+    "^^": "attribute",
+    "^!": "attribute",
+    "*": "variable-2",
+    "**": "variable-2",
+    "\\": "keyword",
+    "\"": "comment"
   };
 
-  function tlvGenIndent(stream, state) {
-    var tlvindentUnit = 2;
-    var rtnIndent = -1, indentUnitRq = 0, curIndent = stream.indentation();
-    switch (state.tlvCurCtlFlowChar) {
-    case "\\":
-      curIndent = 0;
-      break;
-    case "|":
-      if (state.tlvPrevPrevCtlFlowChar == "@") {
-        indentUnitRq = -2; //-2 new pipe rq after cur pipe
-        break;
-      }
-      if (tlvchScopePrefixes[state.tlvPrevCtlFlowChar])
-        indentUnitRq = 1; // +1 new scope
-      break;
-    case "M":  // m4
-      if (state.tlvPrevPrevCtlFlowChar == "@") {
-        indentUnitRq = -2; //-2 new inst rq after  pipe
-        break;
-      }
-      if (tlvchScopePrefixes[state.tlvPrevCtlFlowChar])
-        indentUnitRq = 1; // +1 new scope
-      break;
-    case "@":
-      if (state.tlvPrevCtlFlowChar == "S")
-        indentUnitRq = -1; // new pipe stage after stmts
-      if (state.tlvPrevCtlFlowChar == "|")
-        indentUnitRq = 1; // 1st pipe stage
-      break;
-    case "S":
-      if (state.tlvPrevCtlFlowChar == "@")
-        indentUnitRq = 1; // flow in pipe stage
-      if (tlvchScopePrefixes[state.tlvPrevCtlFlowChar])
-        indentUnitRq = 1; // +1 new scope
-      break;
-    }
-    var statementIndentUnit = tlvindentUnit;
-    rtnIndent = curIndent + (indentUnitRq*statementIndentUnit);
-    return rtnIndent >= 0 ? rtnIndent : curIndent;
+  // Lines starting with these characters define scope (result in indentation).
+  var tlvScopePrefixChars = {
+    "/": "beh-hier",
+    ">": "beh-hier",
+    "-": "phys-hier",
+    "|": "pipe",
+    "?": "when",
+    "@": "stage",
+    "\\": "keyword"
+  };
+  var tlvIndentUnit = 3;
+  var tlvTrackStatements = false;
+  var tlvIdentMatch = /^([~!@#\$%\^&\*-\+=\?\/\\\|'"<>]+)([\d\w_]*)/;  // Matches an identifiere.
+  // Note that ':' is excluded, because of it's use in [:].
+  var tlvFirstLevelIndentMatch = /^[! ]  /;
+  var tlvLineIndentationMatch = /^[! ] */;
+  var tlvCommentMatch = /^\/[\/\*]/;
+
+
+  // Returns a style specific to the scope at the given indentation column.
+  // Type is one of: "indent", "scope-ident", "before-scope-ident".
+  function tlvScopeStyle(state, indentation, type) {
+    // Begin scope.
+    var depth = indentation / tlvIndentUnit;  // TODO: Pass this in instead.
+    return "tlv-" + state.tlvIndentationStyle[depth] + "-" + type;
+  }
+
+  // Return true if the next thing in the stream is an identifier with a mnemonic.
+  function tlvIdentNext(stream) {
+    var match;
+    return (match = stream.match(tlvIdentMatch, false)) && match[2].length > 0;
   }
 
   CodeMirror.defineMIME("text/x-tlv", {
     name: "verilog",
+
     hooks: {
-      "\\": function(stream, state) {
-        var vxIndent = 0, style = false;
-        var curPunc  = stream.string;
-        if ((stream.sol()) && ((/\\SV/.test(stream.string)) || (/\\TLV/.test(stream.string)))) {
-          curPunc = (/\\TLV_version/.test(stream.string))
-            ? "\\TLV_version" : stream.string;
-          stream.skipToEnd();
-          if (curPunc == "\\SV" && state.vxCodeActive) {state.vxCodeActive = false;};
-          if ((/\\TLV/.test(curPunc) && !state.vxCodeActive)
-            || (curPunc=="\\TLV_version" && state.vxCodeActive)) {state.vxCodeActive = true;};
-          style = "keyword";
-          state.tlvCurCtlFlowChar  = state.tlvPrevPrevCtlFlowChar
-            = state.tlvPrevCtlFlowChar = "";
-          if (state.vxCodeActive == true) {
-            state.tlvCurCtlFlowChar  = "\\";
-            vxIndent = tlvGenIndent(stream, state);
+
+      electricInput: false,
+
+
+      // Return undefined for verilog tokenizing, or style for TLV token (null not used).
+      // Standard CM styles are used for most formatting, but some TL-Verilog-specific highlighting
+      // can be enabled with the definition of cm-tlv-* styles, including highlighting for:
+      //   - M4 tokens
+      //   - TLV scope indentation
+      //   - Statement delimitation (enabled by tlvTrackStatements)
+      token: function(stream, state) {
+        var style = undefined;
+        var match;  // Return value of pattern matches.
+
+        // Set highlighting mode based on code region (TLV or SV).
+        if (stream.sol() && ! state.tlvInBlockComment) {
+          // Process region.
+          if (stream.peek() == '\\') {
+            style = "def";
+            stream.skipToEnd();
+            if (stream.string.match(/\\SV/)) {
+              state.tlvCodeActive = false;
+            } else if (stream.string.match(/\\TLV/)){
+              state.tlvCodeActive = true;
+            }
+          }
+          // Correct indentation in the face of a line prefix char.
+          if (state.tlvCodeActive && stream.pos == 0 &&
+              (state.indented == 0) && (match = stream.match(tlvLineIndentationMatch, false))) {
+            state.indented = match[0].length;
           }
-          state.vxIndentRq = vxIndent;
+
+          // Compute indentation state:
+          //   o Auto indentation on next line
+          //   o Indentation scope styles
+          var indented = state.indented;
+          var depth = indented / tlvIndentUnit;
+          if (depth <= state.tlvIndentationStyle.length) {
+            // not deeper than current scope
+
+            var blankline = stream.string.length == indented;
+            var chPos = depth * tlvIndentUnit;
+            if (chPos < stream.string.length) {
+              var bodyString = stream.string.slice(chPos);
+              var ch = bodyString[0];
+              if (tlvScopePrefixChars[ch] && ((match = bodyString.match(tlvIdentMatch)) &&
+                  tlvIdentifierStyle[match[1]])) {
+                // This line begins scope.
+                // Next line gets indented one level.
+                indented += tlvIndentUnit;
+                // Style the next level of indentation (except non-region keyword identifiers,
+                //   which are statements themselves)
+                if (!(ch == "\\" && chPos > 0)) {
+                  state.tlvIndentationStyle[depth] = tlvScopePrefixChars[ch];
+                  if (tlvTrackStatements) {state.statementComment = false;}
+                  depth++;
+                }
+              }
+            }
+            // Clear out deeper indentation levels unless line is blank.
+            if (!blankline) {
+              while (state.tlvIndentationStyle.length > depth) {
+                state.tlvIndentationStyle.pop();
+              }
+            }
+          }
+          // Set next level of indentation.
+          state.tlvNextIndent = indented;
         }
-        return style;
-      },
-      tokenBase: function(stream, state) {
-        var vxIndent = 0, style = false;
-        var tlvisOperatorChar = /[\[\]=:]/;
-        var tlvkpScopePrefixs = {
-          "**":"variable-2", "*":"variable-2", "$$":"variable", "$":"variable",
-          "^^":"attribute", "^":"attribute"};
-        var ch = stream.peek();
-        var vxCurCtlFlowCharValueAtStart = state.tlvCurCtlFlowChar;
-        if (state.vxCodeActive == true) {
-          if (/[\[\]{}\(\);\:]/.test(ch)) {
-            // bypass nesting and 1 char punc
-            style = "meta";
-            stream.next();
-          } else if (ch == "/") {
-            stream.next();
-            if (stream.eat("/")) {
-              stream.skipToEnd();
-              style = "comment";
-              state.tlvCurCtlFlowChar = "S";
+
+        if (state.tlvCodeActive) {
+          // Highlight as TLV.
+
+          var beginStatement = false;
+          if (tlvTrackStatements) {
+            // This starts a statement if the position is at the scope level
+            // and we're not within a statement leading comment.
+            beginStatement =
+                   (stream.peek() != " ") &&   // not a space
+                   (style === undefined) &&    // not a region identifier
+                   !state.tlvInBlockComment && // not in block comment
+                   //!stream.match(tlvCommentMatch, false) && // not comment start
+                   (stream.column() == state.tlvIndentationStyle.length * tlvIndentUnit);  // at scope level
+            if (beginStatement) {
+              if (state.statementComment) {
+                // statement already started by comment
+                beginStatement = false;
+              }
+              state.statementComment =
+                   stream.match(tlvCommentMatch, false); // comment start
+            }
+          }
+
+          var match;
+          if (style !== undefined) {
+            // Region line.
+            style += " " + tlvScopeStyle(state, 0, "scope-ident")
+          } else if (((stream.pos / tlvIndentUnit) < state.tlvIndentationStyle.length) &&
+                     (match = stream.match(stream.sol() ? tlvFirstLevelIndentMatch : /^   /))) {
+            // Indentation
+            style = // make this style distinct from the previous one to prevent
+                    // codemirror from combining spans
+                    "tlv-indent-" + (((stream.pos % 2) == 0) ? "even" : "odd") +
+                    // and style it
+                    " " + tlvScopeStyle(state, stream.pos - tlvIndentUnit, "indent");
+            // Style the line prefix character.
+            if (match[0].charAt(0) == "!") {
+              style += " tlv-alert-line-prefix";
+            }
+            // Place a class before a scope identifier.
+            if (tlvIdentNext(stream)) {
+              style += " " + tlvScopeStyle(state, stream.pos, "before-scope-ident");
+            }
+          } else if (state.tlvInBlockComment) {
+            // In a block comment.
+            if (stream.match(/^.*?\*\//)) {
+              // Exit block comment.
+              state.tlvInBlockComment = false;
+              if (tlvTrackStatements && !stream.eol()) {
+                // Anything after comment is assumed to be real statement content.
+                state.statementComment = false;
+              }
             } else {
-              stream.backUp(1);
+              stream.skipToEnd();
+            }
+            style = "comment";
+          } else if ((match = stream.match(tlvCommentMatch)) && !state.tlvInBlockComment) {
+            // Start comment.
+            if (match[0] == "//") {
+              // Line comment.
+              stream.skipToEnd();
+            } else {
+              // Block comment.
+              state.tlvInBlockComment = true;
             }
-          } else if (ch == "@") {
-            // pipeline stage
-            style = tlvchScopePrefixes[ch];
-            state.tlvCurCtlFlowChar = "@";
-            stream.next();
-            stream.eatWhile(/[\w\$_]/);
-          } else if (stream.match(/\b[mM]4+/, true)) { // match: function(pattern, consume, caseInsensitive)
+            style = "comment";
+          } else if (match = stream.match(tlvIdentMatch)) {
+            // looks like an identifier (or identifier prefix)
+            var prefix = match[1];
+            var mnemonic = match[2];
+            if (// is identifier prefix
+                tlvIdentifierStyle.hasOwnProperty(prefix) &&
+                // has mnemonic or we're at the end of the line (maybe it hasn't been typed yet)
+                (mnemonic.length > 0 || stream.eol())) {
+              style = tlvIdentifierStyle[prefix];
+              if (stream.column() == state.indented) {
+                // Begin scope.
+                style += " " + tlvScopeStyle(state, stream.column(), "scope-ident")
+              }
+            } else {
+              // Just swallow one character and try again.
+              // This enables subsequent identifier match with preceding symbol character, which
+              //   is legal within a statement.  (Eg, !$reset).  It also enables detection of
+              //   comment start with preceding symbols.
+              stream.backUp(stream.current().length - 1);
+              style = "tlv-default";
+            }
+          } else if (stream.match(/^\t+/)) {
+            // Highlight tabs, which are illegal.
+            style = "tlv-tab";
+          } else if (stream.match(/^[\[\]{}\(\);\:]+/)) {
+            // [:], (), {}, ;.
+            style = "meta";
+          } else if (match = stream.match(/^[mM]4([\+_])?[\w\d_]*/)) {
             // m4 pre proc
-            stream.skipTo("(");
-            style = "def";
-            state.tlvCurCtlFlowChar = "M";
-          } else if (ch == "!" && stream.sol()) {
-            // v stmt in tlv region
-            // state.tlvCurCtlFlowChar  = "S";
-            style = "comment";
+            style = (match[1] == "+") ? "tlv-m4-plus" : "tlv-m4";
+          } else if (stream.match(/^ +/)){
+            // Skip over spaces.
+            if (stream.eol()) {
+              // Trailing spaces.
+              style = "error";
+            } else {
+              // Non-trailing spaces.
+              style = "tlv-default";
+            }
+          } else if (stream.match(/^[\w\d_]+/)) {
+            // alpha-numeric token.
+            style = "number";
+          } else {
+            // Eat the next char w/ no formatting.
             stream.next();
-          } else if (tlvisOperatorChar.test(ch)) {
-            // operators
-            stream.eatWhile(tlvisOperatorChar);
-            style = "operator";
-          } else if (ch == "#") {
-            // phy hier
-            state.tlvCurCtlFlowChar  = (state.tlvCurCtlFlowChar == "")
-              ? ch : state.tlvCurCtlFlowChar;
-            stream.next();
-            stream.eatWhile(/[+-]\d/);
-            style = "tag";
-          } else if (tlvkpScopePrefixs.propertyIsEnumerable(ch)) {
-            // special TLV operators
-            style = tlvkpScopePrefixs[ch];
-            state.tlvCurCtlFlowChar = state.tlvCurCtlFlowChar == "" ? "S" : state.tlvCurCtlFlowChar;  // stmt
-            stream.next();
-            stream.match(/[a-zA-Z_0-9]+/);
-          } else if (style = tlvchScopePrefixes[ch] || false) {
-            // special TLV operators
-            state.tlvCurCtlFlowChar = state.tlvCurCtlFlowChar == "" ? ch : state.tlvCurCtlFlowChar;
-            stream.next();
-            stream.match(/[a-zA-Z_0-9]+/);
+            style = "tlv-default";
+          }
+          if (beginStatement) {
+            style += " tlv-statement";
           }
-          if (state.tlvCurCtlFlowChar != vxCurCtlFlowCharValueAtStart) { // flow change
-            vxIndent = tlvGenIndent(stream, state);
-            state.vxIndentRq = vxIndent;
+        } else {
+          if (stream.match(/^[mM]4([\w\d_]*)/)) {
+            // m4 pre proc
+            style = "tlv-m4";
           }
         }
         return style;
       },
-      token: function(stream, state) {
-        if (state.vxCodeActive == true && stream.sol() && state.tlvCurCtlFlowChar != "") {
-          state.tlvPrevPrevCtlFlowChar = state.tlvPrevCtlFlowChar;
-          state.tlvPrevCtlFlowChar = state.tlvCurCtlFlowChar;
-          state.tlvCurCtlFlowChar = "";
-        }
-      },
+
       indent: function(state) {
-        return (state.vxCodeActive == true) ? state.vxIndentRq : -1;
+        return (state.tlvCodeActive == true) ? state.tlvNextIndent : -1;
       },
+
       startState: function(state) {
-        state.tlvCurCtlFlowChar = "";
-        state.tlvPrevCtlFlowChar = "";
-        state.tlvPrevPrevCtlFlowChar = "";
-        state.vxCodeActive = true;
-        state.vxIndentRq = 0;
+        state.tlvIndentationStyle = [];  // Styles to use for each level of indentation.
+        state.tlvCodeActive = true;  // True when we're in a TLV region (and at beginning of file).
+        state.tlvNextIndent = -1;    // The number of spaces to autoindent the next line if tlvCodeActive.
+        state.tlvInBlockComment = false;  // True inside /**/ comment.
+        if (tlvTrackStatements) {
+          state.statementComment = false;  // True inside a statement's header comment.
+        }
       }
+
     }
   });
 });

rhodecode/public/js/mode/vhdl/vhdl.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 // Originally written by Alf Nielsen, re-written by Michael Zhou
 (function(mod) {
@@ -36,7 +36,7 b' CodeMirror.defineMode("vhdl", function(c'
       multiLineStrings = parserConfig.multiLineStrings;
 
   var keywords = words("abs,access,after,alias,all,and,architecture,array,assert,attribute,begin,block," +
-      "body,buffer,bus,case,component,configuration,constant,disconnent,downto,else,elsif,end,end block,end case," +
+      "body,buffer,bus,case,component,configuration,constant,disconnect,downto,else,elsif,end,end block,end case," +
       "end component,end for,end generate,end if,end loop,end process,end record,end units,entity,exit,file,for," +
       "function,generate,generic,generic map,group,guarded,if,impure,in,inertial,inout,is,label,library,linkage," +
       "literal,loop,map,mod,nand,new,next,nor,null,of,on,open,or,others,out,package,package body,port,port map," +

rhodecode/public/js/mode/vue/vue.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function (mod) {
   "use strict";
@@ -12,7 +12,7 b''
         require("../css/css"),
         require("../sass/sass"),
         require("../stylus/stylus"),
-        require("../jade/jade"),
+        require("../pug/pug"),
         require("../handlebars/handlebars"));
   } else if (typeof define === "function" && define.amd) { // AMD
     define(["../../lib/codemirror",
@@ -23,7 +23,7 b''
             "../css/css",
             "../sass/sass",
             "../stylus/stylus",
-            "../jade/jade",
+            "../pug/pug",
             "../handlebars/handlebars"], mod);
   } else { // Plain browser env
     mod(CodeMirror);
@@ -32,19 +32,26 b''
   var tagLanguages = {
     script: [
       ["lang", /coffee(script)?/, "coffeescript"],
-      ["type", /^(?:text|application)\/(?:x-)?coffee(?:script)?$/, "coffeescript"]
+      ["type", /^(?:text|application)\/(?:x-)?coffee(?:script)?$/, "coffeescript"],
+      ["lang", /^babel$/, "javascript"],
+      ["type", /^text\/babel$/, "javascript"],
+      ["type", /^text\/ecmascript-\d+$/, "javascript"]
     ],
     style: [
       ["lang", /^stylus$/i, "stylus"],
       ["lang", /^sass$/i, "sass"],
+      ["lang", /^less$/i, "text/x-less"],
+      ["lang", /^scss$/i, "text/x-scss"],
       ["type", /^(text\/)?(x-)?styl(us)?$/i, "stylus"],
-      ["type", /^text\/sass/i, "sass"]
+      ["type", /^text\/sass/i, "sass"],
+      ["type", /^(text\/)?(x-)?scss$/i, "text/x-scss"],
+      ["type", /^(text\/)?(x-)?less$/i, "text/x-less"]
     ],
     template: [
       ["lang", /^vue-template$/i, "vue"],
-      ["lang", /^jade$/i, "jade"],
+      ["lang", /^pug$/i, "pug"],
       ["lang", /^handlebars$/i, "handlebars"],
-      ["type", /^(text\/)?(x-)?jade$/i, "jade"],
+      ["type", /^(text\/)?(x-)?pug$/i, "pug"],
       ["type", /^text\/x-handlebars-template$/i, "handlebars"],
       [null, null, "vue-template"]
     ]
@@ -63,7 +70,8 b''
 
   CodeMirror.defineMode("vue", function (config) {
     return CodeMirror.getMode(config, {name: "htmlmixed", tags: tagLanguages});
-  }, "htmlmixed", "xml", "javascript", "coffeescript", "css", "sass", "stylus", "jade", "handlebars");
+  }, "htmlmixed", "xml", "javascript", "coffeescript", "css", "sass", "stylus", "pug", "handlebars");
 
   CodeMirror.defineMIME("script/x-vue", "vue");
+  CodeMirror.defineMIME("text/x-vue", "vue");
 });

rhodecode/public/js/mode/xml/xml.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -52,6 +52,7 b' var xmlConfig = {'
   doNotIndent: {},
   allowUnquoted: false,
   allowMissing: false,
+  allowMissingTagName: false,
   caseFold: false
 }
 
@@ -162,8 +163,9 b' CodeMirror.defineMode("xml", function(ed'
         stream.next();
       }
       return style;
-    };
+    }
   }
+
   function doctype(depth) {
     return function(stream, state) {
       var ch;
@@ -226,6 +228,9 b' CodeMirror.defineMode("xml", function(ed'
       state.tagName = stream.current();
       setStyle = "tag";
       return attrState;
+    } else if (config.allowMissingTagName && type == "endTag") {
+      setStyle = "tag bracket";
+      return attrState(type, stream, state);
     } else {
       setStyle = "error";
       return tagNameState;
@@ -237,13 +242,16 b' CodeMirror.defineMode("xml", function(ed'
       if (state.context && state.context.tagName != tagName &&
           config.implicitlyClosed.hasOwnProperty(state.context.tagName))
         popContext(state);
-      if (state.context && state.context.tagName == tagName) {
+      if ((state.context && state.context.tagName == tagName) || config.matchClosing === false) {
         setStyle = "tag";
         return closeState;
       } else {
         setStyle = "tag error";
         return closeStateErr;
       }
+    } else if (config.allowMissingTagName && type == "endTag") {
+      setStyle = "tag bracket";
+      return closeState(type, stream, state);
     } else {
       setStyle = "error";
       return closeStateErr;
@@ -382,6 +390,17 b' CodeMirror.defineMode("xml", function(ed'
     skipAttribute: function(state) {
       if (state.state == attrValueState)
         state.state = attrState
+    },
+
+    xmlCurrentTag: function(state) {
+      return state.tagName ? {name: state.tagName, close: state.type == "closeTag"} : null
+    },
+
+    xmlCurrentContext: function(state) {
+      var context = []
+      for (var cx = state.context; cx; cx = cx.prev)
+        if (cx.tagName) context.push(cx.tagName)
+      return context.reverse()
     }
   };
 });

rhodecode/public/js/mode/xquery/xquery.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -17,43 +17,54 b' CodeMirror.defineMode("xquery", function'
   // function. Each keyword is a property of the keywords object whose
   // value is {type: atype, style: astyle}
   var keywords = function(){
-    // conveinence functions used to build keywords object
+    // convenience functions used to build keywords object
     function kw(type) {return {type: type, style: "keyword"};}
-    var A = kw("keyword a")
-      , B = kw("keyword b")
-      , C = kw("keyword c")
-      , operator = kw("operator")
+    var operator = kw("operator")
       , atom = {type: "atom", style: "atom"}
       , punctuation = {type: "punctuation", style: null}
       , qualifier = {type: "axis_specifier", style: "qualifier"};
 
     // kwObj is what is return from this function at the end
     var kwObj = {
-      'if': A, 'switch': A, 'while': A, 'for': A,
-      'else': B, 'then': B, 'try': B, 'finally': B, 'catch': B,
-      'element': C, 'attribute': C, 'let': C, 'implements': C, 'import': C, 'module': C, 'namespace': C,
-      'return': C, 'super': C, 'this': C, 'throws': C, 'where': C, 'private': C,
-      ',': punctuation,
-      'null': atom, 'fn:false()': atom, 'fn:true()': atom
+      ',': punctuation
     };
 
     // a list of 'basic' keywords. For each add a property to kwObj with the value of
     // {type: basic[i], style: "keyword"} e.g. 'after' --> {type: "after", style: "keyword"}
-    var basic = ['after','ancestor','ancestor-or-self','and','as','ascending','assert','attribute','before',
-    'by','case','cast','child','comment','declare','default','define','descendant','descendant-or-self',
-    'descending','document','document-node','element','else','eq','every','except','external','following',
-    'following-sibling','follows','for','function','if','import','in','instance','intersect','item',
-    'let','module','namespace','node','node','of','only','or','order','parent','precedes','preceding',
-    'preceding-sibling','processing-instruction','ref','return','returns','satisfies','schema','schema-element',
-    'self','some','sortby','stable','text','then','to','treat','typeswitch','union','variable','version','where',
-    'xquery', 'empty-sequence'];
+    var basic = ['after', 'all', 'allowing', 'ancestor', 'ancestor-or-self', 'any', 'array', 'as',
+    'ascending', 'at', 'attribute', 'base-uri', 'before', 'boundary-space', 'by', 'case', 'cast',
+    'castable', 'catch', 'child', 'collation', 'comment', 'construction', 'contains', 'content',
+    'context', 'copy', 'copy-namespaces', 'count', 'decimal-format', 'declare', 'default', 'delete',
+    'descendant', 'descendant-or-self', 'descending', 'diacritics', 'different', 'distance',
+    'document', 'document-node', 'element', 'else', 'empty', 'empty-sequence', 'encoding', 'end',
+    'entire', 'every', 'exactly', 'except', 'external', 'first', 'following', 'following-sibling',
+    'for', 'from', 'ftand', 'ftnot', 'ft-option', 'ftor', 'function', 'fuzzy', 'greatest', 'group',
+    'if', 'import', 'in', 'inherit', 'insensitive', 'insert', 'instance', 'intersect', 'into',
+    'invoke', 'is', 'item', 'language', 'last', 'lax', 'least', 'let', 'levels', 'lowercase', 'map',
+    'modify', 'module', 'most', 'namespace', 'next', 'no', 'node', 'nodes', 'no-inherit',
+    'no-preserve', 'not', 'occurs', 'of', 'only', 'option', 'order', 'ordered', 'ordering',
+    'paragraph', 'paragraphs', 'parent', 'phrase', 'preceding', 'preceding-sibling', 'preserve',
+    'previous', 'processing-instruction', 'relationship', 'rename', 'replace', 'return',
+    'revalidation', 'same', 'satisfies', 'schema', 'schema-attribute', 'schema-element', 'score',
+    'self', 'sensitive', 'sentence', 'sentences', 'sequence', 'skip', 'sliding', 'some', 'stable',
+    'start', 'stemming', 'stop', 'strict', 'strip', 'switch', 'text', 'then', 'thesaurus', 'times',
+    'to', 'transform', 'treat', 'try', 'tumbling', 'type', 'typeswitch', 'union', 'unordered',
+    'update', 'updating', 'uppercase', 'using', 'validate', 'value', 'variable', 'version',
+    'weight', 'when', 'where', 'wildcards', 'window', 'with', 'without', 'word', 'words', 'xquery'];
     for(var i=0, l=basic.length; i < l; i++) { kwObj[basic[i]] = kw(basic[i]);};
 
     // a list of types. For each add a property to kwObj with the value of
     // {type: "atom", style: "atom"}
-    var types = ['xs:string', 'xs:float', 'xs:decimal', 'xs:double', 'xs:integer', 'xs:boolean', 'xs:date', 'xs:dateTime',
-    'xs:time', 'xs:duration', 'xs:dayTimeDuration', 'xs:time', 'xs:yearMonthDuration', 'numeric', 'xs:hexBinary',
-    'xs:base64Binary', 'xs:anyURI', 'xs:QName', 'xs:byte','xs:boolean','xs:anyURI','xf:yearMonthDuration'];
+    var types = ['xs:anyAtomicType', 'xs:anySimpleType', 'xs:anyType', 'xs:anyURI',
+    'xs:base64Binary', 'xs:boolean', 'xs:byte', 'xs:date', 'xs:dateTime', 'xs:dateTimeStamp',
+    'xs:dayTimeDuration', 'xs:decimal', 'xs:double', 'xs:duration', 'xs:ENTITIES', 'xs:ENTITY',
+    'xs:float', 'xs:gDay', 'xs:gMonth', 'xs:gMonthDay', 'xs:gYear', 'xs:gYearMonth', 'xs:hexBinary',
+    'xs:ID', 'xs:IDREF', 'xs:IDREFS', 'xs:int', 'xs:integer', 'xs:item', 'xs:java', 'xs:language',
+    'xs:long', 'xs:Name', 'xs:NCName', 'xs:negativeInteger', 'xs:NMTOKEN', 'xs:NMTOKENS',
+    'xs:nonNegativeInteger', 'xs:nonPositiveInteger', 'xs:normalizedString', 'xs:NOTATION',
+    'xs:numeric', 'xs:positiveInteger', 'xs:precisionDecimal', 'xs:QName', 'xs:short', 'xs:string',
+    'xs:time', 'xs:token', 'xs:unsignedByte', 'xs:unsignedInt', 'xs:unsignedLong',
+    'xs:unsignedShort', 'xs:untyped', 'xs:untypedAtomic', 'xs:yearMonthDuration'];
     for(var i=0, l=types.length; i < l; i++) { kwObj[types[i]] = atom;};
 
     // each operator will add a property to kwObj with value of {type: "operator", style: "keyword"}
@@ -102,7 +113,7 b' CodeMirror.defineMode("xquery", function'
     }
     // start code block
     else if(ch == "{") {
-      pushStateStack(state,{ type: "codeblock"});
+      pushStateStack(state, { type: "codeblock"});
       return null;
     }
     // end code block
@@ -132,7 +143,7 b' CodeMirror.defineMode("xquery", function'
       return chain(stream, state, tokenComment);
     }
     // quoted string
-    else if (  !isEQName && (ch === '"' || ch === "'"))
+    else if (!isEQName && (ch === '"' || ch === "'"))
       return chain(stream, state, tokenString(ch));
     // variable
     else if(ch === "$") {

rhodecode/public/js/mode/yaml-frontmatter/yaml-frontmatter.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function (mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -45,7 +45,7 b''
             return innerMode.token(stream, state.inner)
           }
         } else if (state.state == FRONTMATTER) {
-          var end = stream.sol() && stream.match(/---/, false)
+          var end = stream.sol() && stream.match(/(---|\.\.\.)/, false)
           var style = yamlMode.token(stream, state.inner)
           if (end) {
             state.state = BODY
@@ -65,4 +65,4 b''
       }
     }
   })
-})
+});

rhodecode/public/js/mode/yaml/yaml.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -108,10 +108,13 b' CodeMirror.defineMode("yaml", function()'
         literal: false,
         escaped: false
       };
-    }
+    },
+    lineComment: "#",
+    fold: "indent"
   };
 });
 
 CodeMirror.defineMIME("text/x-yaml", "yaml");
+CodeMirror.defineMIME("text/yaml", "yaml");
 
 });

rhodecode/public/js/mode/z80/z80.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/src/codemirror/codemirror.js

@@ -1,23 +1,17 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-// This is CodeMirror (http://codemirror.net), a code editor
+// Distributed under an MIT license: https://codemirror.net/LICENSE
+
+// This is CodeMirror (https://codemirror.net), a code editor
 // implemented in JavaScript on top of the browser's DOM.
 //
 // You can find some technical background for some of the code below
 // at http://marijnhaverbeke.nl/blog/#cm-internals .
 
-(function(mod) {
-  if (typeof exports == "object" && typeof module == "object") // CommonJS
-    module.exports = mod();
-  else if (typeof define == "function" && define.amd) // AMD
-    return define([], mod);
-  else // Plain browser env
-    (this || window).CodeMirror = mod();
-})(function() {
-  "use strict";
-
-  // BROWSER SNIFFING
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+  typeof define === 'function' && define.amd ? define(factory) :
+  (global.CodeMirror = factory());
+}(this, (function () { 'use strict';
 
   // Kludges for bugs and behavior differences that can't be feature
   // detected are enabled based on userAgent etc sniffing.
@@ -27,113 +21,4314 b''
   var gecko = /gecko\/\d/i.test(userAgent);
   var ie_upto10 = /MSIE \d/.test(userAgent);
   var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent);
-  var ie = ie_upto10 || ie_11up;
-  var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : ie_11up[1]);
-  var webkit = /WebKit\//.test(userAgent);
+  var edge = /Edge\/(\d+)/.exec(userAgent);
+  var ie = ie_upto10 || ie_11up || edge;
+  var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]);
+  var webkit = !edge && /WebKit\//.test(userAgent);
   var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent);
-  var chrome = /Chrome\//.test(userAgent);
+  var chrome = !edge && /Chrome\//.test(userAgent);
   var presto = /Opera\//.test(userAgent);
   var safari = /Apple Computer/.test(navigator.vendor);
   var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent);
   var phantom = /PhantomJS/.test(userAgent);
 
-  var ios = /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent);
+  var ios = !edge && /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent);
+  var android = /Android/.test(userAgent);
   // This is woefully incomplete. Suggestions for alternative methods welcome.
-  var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);
+  var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);
   var mac = ios || /Mac/.test(platform);
+  var chromeOS = /\bCrOS\b/.test(userAgent);
   var windows = /win/i.test(platform);
 
   var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/);
-  if (presto_version) presto_version = Number(presto_version[1]);
+  if (presto_version) { presto_version = Number(presto_version[1]); }
   if (presto_version && presto_version >= 15) { presto = false; webkit = true; }
   // Some browsers use the wrong event properties to signal cmd/ctrl on OS X
   var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));
   var captureRightClick = gecko || (ie && ie_version >= 9);
 
+  function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") }
+
+  var rmClass = function(node, cls) {
+    var current = node.className;
+    var match = classTest(cls).exec(current);
+    if (match) {
+      var after = current.slice(match.index + match[0].length);
+      node.className = current.slice(0, match.index) + (after ? match[1] + after : "");
+    }
+  };
+
+  function removeChildren(e) {
+    for (var count = e.childNodes.length; count > 0; --count)
+      { e.removeChild(e.firstChild); }
+    return e
+  }
+
+  function removeChildrenAndAdd(parent, e) {
+    return removeChildren(parent).appendChild(e)
+  }
+
+  function elt(tag, content, className, style) {
+    var e = document.createElement(tag);
+    if (className) { e.className = className; }
+    if (style) { e.style.cssText = style; }
+    if (typeof content == "string") { e.appendChild(document.createTextNode(content)); }
+    else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } }
+    return e
+  }
+  // wrapper for elt, which removes the elt from the accessibility tree
+  function eltP(tag, content, className, style) {
+    var e = elt(tag, content, className, style);
+    e.setAttribute("role", "presentation");
+    return e
+  }
+
+  var range;
+  if (document.createRange) { range = function(node, start, end, endNode) {
+    var r = document.createRange();
+    r.setEnd(endNode || node, end);
+    r.setStart(node, start);
+    return r
+  }; }
+  else { range = function(node, start, end) {
+    var r = document.body.createTextRange();
+    try { r.moveToElementText(node.parentNode); }
+    catch(e) { return r }
+    r.collapse(true);
+    r.moveEnd("character", end);
+    r.moveStart("character", start);
+    return r
+  }; }
+
+  function contains(parent, child) {
+    if (child.nodeType == 3) // Android browser always returns false when child is a textnode
+      { child = child.parentNode; }
+    if (parent.contains)
+      { return parent.contains(child) }
+    do {
+      if (child.nodeType == 11) { child = child.host; }
+      if (child == parent) { return true }
+    } while (child = child.parentNode)
+  }
+
+  function activeElt() {
+    // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement.
+    // IE < 10 will throw when accessed while the page is loading or in an iframe.
+    // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable.
+    var activeElement;
+    try {
+      activeElement = document.activeElement;
+    } catch(e) {
+      activeElement = document.body || null;
+    }
+    while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement)
+      { activeElement = activeElement.shadowRoot.activeElement; }
+    return activeElement
+  }
+
+  function addClass(node, cls) {
+    var current = node.className;
+    if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls; }
+  }
+  function joinClasses(a, b) {
+    var as = a.split(" ");
+    for (var i = 0; i < as.length; i++)
+      { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i]; } }
+    return b
+  }
+
+  var selectInput = function(node) { node.select(); };
+  if (ios) // Mobile Safari apparently has a bug where select() is broken.
+    { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; }
+  else if (ie) // Suppress mysterious IE10 errors
+    { selectInput = function(node) { try { node.select(); } catch(_e) {} }; }
+
+  function bind(f) {
+    var args = Array.prototype.slice.call(arguments, 1);
+    return function(){return f.apply(null, args)}
+  }
+
+  function copyObj(obj, target, overwrite) {
+    if (!target) { target = {}; }
+    for (var prop in obj)
+      { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
+        { target[prop] = obj[prop]; } }
+    return target
+  }
+
+  // Counts the column offset in a string, taking tabs into account.
+  // Used mostly to find indentation.
+  function countColumn(string, end, tabSize, startIndex, startValue) {
+    if (end == null) {
+      end = string.search(/[^\s\u00a0]/);
+      if (end == -1) { end = string.length; }
+    }
+    for (var i = startIndex || 0, n = startValue || 0;;) {
+      var nextTab = string.indexOf("\t", i);
+      if (nextTab < 0 || nextTab >= end)
+        { return n + (end - i) }
+      n += nextTab - i;
+      n += tabSize - (n % tabSize);
+      i = nextTab + 1;
+    }
+  }
+
+  var Delayed = function() {
+    this.id = null;
+    this.f = null;
+    this.time = 0;
+    this.handler = bind(this.onTimeout, this);
+  };
+  Delayed.prototype.onTimeout = function (self) {
+    self.id = 0;
+    if (self.time <= +new Date) {
+      self.f();
+    } else {
+      setTimeout(self.handler, self.time - +new Date);
+    }
+  };
+  Delayed.prototype.set = function (ms, f) {
+    this.f = f;
+    var time = +new Date + ms;
+    if (!this.id || time < this.time) {
+      clearTimeout(this.id);
+      this.id = setTimeout(this.handler, ms);
+      this.time = time;
+    }
+  };
+
+  function indexOf(array, elt) {
+    for (var i = 0; i < array.length; ++i)
+      { if (array[i] == elt) { return i } }
+    return -1
+  }
+
+  // Number of pixels added to scroller and sizer to hide scrollbar
+  var scrollerGap = 30;
+
+  // Returned or thrown by various protocols to signal 'I'm not
+  // handling this'.
+  var Pass = {toString: function(){return "CodeMirror.Pass"}};
+
+  // Reused option objects for setSelection & friends
+  var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"};
+
+  // The inverse of countColumn -- find the offset that corresponds to
+  // a particular column.
+  function findColumn(string, goal, tabSize) {
+    for (var pos = 0, col = 0;;) {
+      var nextTab = string.indexOf("\t", pos);
+      if (nextTab == -1) { nextTab = string.length; }
+      var skipped = nextTab - pos;
+      if (nextTab == string.length || col + skipped >= goal)
+        { return pos + Math.min(skipped, goal - col) }
+      col += nextTab - pos;
+      col += tabSize - (col % tabSize);
+      pos = nextTab + 1;
+      if (col >= goal) { return pos }
+    }
+  }
+
+  var spaceStrs = [""];
+  function spaceStr(n) {
+    while (spaceStrs.length <= n)
+      { spaceStrs.push(lst(spaceStrs) + " "); }
+    return spaceStrs[n]
+  }
+
+  function lst(arr) { return arr[arr.length-1] }
+
+  function map(array, f) {
+    var out = [];
+    for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); }
+    return out
+  }
+
+  function insertSorted(array, value, score) {
+    var pos = 0, priority = score(value);
+    while (pos < array.length && score(array[pos]) <= priority) { pos++; }
+    array.splice(pos, 0, value);
+  }
+
+  function nothing() {}
+
+  function createObj(base, props) {
+    var inst;
+    if (Object.create) {
+      inst = Object.create(base);
+    } else {
+      nothing.prototype = base;
+      inst = new nothing();
+    }
+    if (props) { copyObj(props, inst); }
+    return inst
+  }
+
+  var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
+  function isWordCharBasic(ch) {
+    return /\w/.test(ch) || ch > "\x80" &&
+      (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch))
+  }
+  function isWordChar(ch, helper) {
+    if (!helper) { return isWordCharBasic(ch) }
+    if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true }
+    return helper.test(ch)
+  }
+
+  function isEmpty(obj) {
+    for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } }
+    return true
+  }
+
+  // Extending unicode characters. A series of a non-extending char +
+  // any number of extending chars is treated as a single unit as far
+  // as editing and measuring is concerned. This is not fully correct,
+  // since some scripts/fonts/browsers also treat other configurations
+  // of code points as a group.
+  var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;
+  function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) }
+
+  // Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range.
+  function skipExtendingChars(str, pos, dir) {
+    while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; }
+    return pos
+  }
+
+  // Returns the value from the range [`from`; `to`] that satisfies
+  // `pred` and is closest to `from`. Assumes that at least `to`
+  // satisfies `pred`. Supports `from` being greater than `to`.
+  function findFirst(pred, from, to) {
+    // At any point we are certain `to` satisfies `pred`, don't know
+    // whether `from` does.
+    var dir = from > to ? -1 : 1;
+    for (;;) {
+      if (from == to) { return from }
+      var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF);
+      if (mid == from) { return pred(mid) ? from : to }
+      if (pred(mid)) { to = mid; }
+      else { from = mid + dir; }
+    }
+  }
+
+  // BIDI HELPERS
+
+  function iterateBidiSections(order, from, to, f) {
+    if (!order) { return f(from, to, "ltr", 0) }
+    var found = false;
+    for (var i = 0; i < order.length; ++i) {
+      var part = order[i];
+      if (part.from < to && part.to > from || from == to && part.to == from) {
+        f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i);
+        found = true;
+      }
+    }
+    if (!found) { f(from, to, "ltr"); }
+  }
+
+  var bidiOther = null;
+  function getBidiPartAt(order, ch, sticky) {
+    var found;
+    bidiOther = null;
+    for (var i = 0; i < order.length; ++i) {
+      var cur = order[i];
+      if (cur.from < ch && cur.to > ch) { return i }
+      if (cur.to == ch) {
+        if (cur.from != cur.to && sticky == "before") { found = i; }
+        else { bidiOther = i; }
+      }
+      if (cur.from == ch) {
+        if (cur.from != cur.to && sticky != "before") { found = i; }
+        else { bidiOther = i; }
+      }
+    }
+    return found != null ? found : bidiOther
+  }
+
+  // Bidirectional ordering algorithm
+  // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
+  // that this (partially) implements.
+
+  // One-char codes used for character types:
+  // L (L):   Left-to-Right
+  // R (R):   Right-to-Left
+  // r (AL):  Right-to-Left Arabic
+  // 1 (EN):  European Number
+  // + (ES):  European Number Separator
+  // % (ET):  European Number Terminator
+  // n (AN):  Arabic Number
+  // , (CS):  Common Number Separator
+  // m (NSM): Non-Spacing Mark
+  // b (BN):  Boundary Neutral
+  // s (B):   Paragraph Separator
+  // t (S):   Segment Separator
+  // w (WS):  Whitespace
+  // N (ON):  Other Neutrals
+
+  // Returns null if characters are ordered as they appear
+  // (left-to-right), or an array of sections ({from, to, level}
+  // objects) in the order in which they occur visually.
+  var bidiOrdering = (function() {
+    // Character types for codepoints 0 to 0xff
+    var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";
+    // Character types for codepoints 0x600 to 0x6f9
+    var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111";
+    function charType(code) {
+      if (code <= 0xf7) { return lowTypes.charAt(code) }
+      else if (0x590 <= code && code <= 0x5f4) { return "R" }
+      else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) }
+      else if (0x6ee <= code && code <= 0x8ac) { return "r" }
+      else if (0x2000 <= code && code <= 0x200b) { return "w" }
+      else if (code == 0x200c) { return "b" }
+      else { return "L" }
+    }
+
+    var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
+    var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
+
+    function BidiSpan(level, from, to) {
+      this.level = level;
+      this.from = from; this.to = to;
+    }
+
+    return function(str, direction) {
+      var outerType = direction == "ltr" ? "L" : "R";
+
+      if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false }
+      var len = str.length, types = [];
+      for (var i = 0; i < len; ++i)
+        { types.push(charType(str.charCodeAt(i))); }
+
+      // W1. Examine each non-spacing mark (NSM) in the level run, and
+      // change the type of the NSM to the type of the previous
+      // character. If the NSM is at the start of the level run, it will
+      // get the type of sor.
+      for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) {
+        var type = types[i$1];
+        if (type == "m") { types[i$1] = prev; }
+        else { prev = type; }
+      }
+
+      // W2. Search backwards from each instance of a European number
+      // until the first strong type (R, L, AL, or sor) is found. If an
+      // AL is found, change the type of the European number to Arabic
+      // number.
+      // W3. Change all ALs to R.
+      for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) {
+        var type$1 = types[i$2];
+        if (type$1 == "1" && cur == "r") { types[i$2] = "n"; }
+        else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R"; } }
+      }
+
+      // W4. A single European separator between two European numbers
+      // changes to a European number. A single common separator between
+      // two numbers of the same type changes to that type.
+      for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) {
+        var type$2 = types[i$3];
+        if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1"; }
+        else if (type$2 == "," && prev$1 == types[i$3+1] &&
+                 (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1; }
+        prev$1 = type$2;
+      }
+
+      // W5. A sequence of European terminators adjacent to European
+      // numbers changes to all European numbers.
+      // W6. Otherwise, separators and terminators change to Other
+      // Neutral.
+      for (var i$4 = 0; i$4 < len; ++i$4) {
+        var type$3 = types[i$4];
+        if (type$3 == ",") { types[i$4] = "N"; }
+        else if (type$3 == "%") {
+          var end = (void 0);
+          for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {}
+          var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N";
+          for (var j = i$4; j < end; ++j) { types[j] = replace; }
+          i$4 = end - 1;
+        }
+      }
+
+      // W7. Search backwards from each instance of a European number
+      // until the first strong type (R, L, or sor) is found. If an L is
+      // found, then change the type of the European number to L.
+      for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) {
+        var type$4 = types[i$5];
+        if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L"; }
+        else if (isStrong.test(type$4)) { cur$1 = type$4; }
+      }
+
+      // N1. A sequence of neutrals takes the direction of the
+      // surrounding strong text if the text on both sides has the same
+      // direction. European and Arabic numbers act as if they were R in
+      // terms of their influence on neutrals. Start-of-level-run (sor)
+      // and end-of-level-run (eor) are used at level run boundaries.
+      // N2. Any remaining neutrals take the embedding direction.
+      for (var i$6 = 0; i$6 < len; ++i$6) {
+        if (isNeutral.test(types[i$6])) {
+          var end$1 = (void 0);
+          for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {}
+          var before = (i$6 ? types[i$6-1] : outerType) == "L";
+          var after = (end$1 < len ? types[end$1] : outerType) == "L";
+          var replace$1 = before == after ? (before ? "L" : "R") : outerType;
+          for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; }
+          i$6 = end$1 - 1;
+        }
+      }
+
+      // Here we depart from the documented algorithm, in order to avoid
+      // building up an actual levels array. Since there are only three
+      // levels (0, 1, 2) in an implementation that doesn't take
+      // explicit embedding into account, we can build up the order on
+      // the fly, without following the level-based algorithm.
+      var order = [], m;
+      for (var i$7 = 0; i$7 < len;) {
+        if (countsAsLeft.test(types[i$7])) {
+          var start = i$7;
+          for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {}
+          order.push(new BidiSpan(0, start, i$7));
+        } else {
+          var pos = i$7, at = order.length;
+          for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {}
+          for (var j$2 = pos; j$2 < i$7;) {
+            if (countsAsNum.test(types[j$2])) {
+              if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); }
+              var nstart = j$2;
+              for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {}
+              order.splice(at, 0, new BidiSpan(2, nstart, j$2));
+              pos = j$2;
+            } else { ++j$2; }
+          }
+          if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); }
+        }
+      }
+      if (direction == "ltr") {
+        if (order[0].level == 1 && (m = str.match(/^\s+/))) {
+          order[0].from = m[0].length;
+          order.unshift(new BidiSpan(0, 0, m[0].length));
+        }
+        if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
+          lst(order).to -= m[0].length;
+          order.push(new BidiSpan(0, len - m[0].length, len));
+        }
+      }
+
+      return direction == "rtl" ? order.reverse() : order
+    }
+  })();
+
+  // Get the bidi ordering for the given line (and cache it). Returns
+  // false for lines that are fully left-to-right, and an array of
+  // BidiSpan objects otherwise.
+  function getOrder(line, direction) {
+    var order = line.order;
+    if (order == null) { order = line.order = bidiOrdering(line.text, direction); }
+    return order
+  }
+
+  // EVENT HANDLING
+
+  // Lightweight event framework. on/off also work on DOM nodes,
+  // registering native DOM handlers.
+
+  var noHandlers = [];
+
+  var on = function(emitter, type, f) {
+    if (emitter.addEventListener) {
+      emitter.addEventListener(type, f, false);
+    } else if (emitter.attachEvent) {
+      emitter.attachEvent("on" + type, f);
+    } else {
+      var map$$1 = emitter._handlers || (emitter._handlers = {});
+      map$$1[type] = (map$$1[type] || noHandlers).concat(f);
+    }
+  };
+
+  function getHandlers(emitter, type) {
+    return emitter._handlers && emitter._handlers[type] || noHandlers
+  }
+
+  function off(emitter, type, f) {
+    if (emitter.removeEventListener) {
+      emitter.removeEventListener(type, f, false);
+    } else if (emitter.detachEvent) {
+      emitter.detachEvent("on" + type, f);
+    } else {
+      var map$$1 = emitter._handlers, arr = map$$1 && map$$1[type];
+      if (arr) {
+        var index = indexOf(arr, f);
+        if (index > -1)
+          { map$$1[type] = arr.slice(0, index).concat(arr.slice(index + 1)); }
+      }
+    }
+  }
+
+  function signal(emitter, type /*, values...*/) {
+    var handlers = getHandlers(emitter, type);
+    if (!handlers.length) { return }
+    var args = Array.prototype.slice.call(arguments, 2);
+    for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); }
+  }
+
+  // The DOM events that CodeMirror handles can be overridden by
+  // registering a (non-DOM) handler on the editor for the event name,
+  // and preventDefault-ing the event in that handler.
+  function signalDOMEvent(cm, e, override) {
+    if (typeof e == "string")
+      { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; }
+    signal(cm, override || e.type, cm, e);
+    return e_defaultPrevented(e) || e.codemirrorIgnore
+  }
+
+  function signalCursorActivity(cm) {
+    var arr = cm._handlers && cm._handlers.cursorActivity;
+    if (!arr) { return }
+    var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);
+    for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1)
+      { set.push(arr[i]); } }
+  }
+
+  function hasHandler(emitter, type) {
+    return getHandlers(emitter, type).length > 0
+  }
+
+  // Add on and off methods to a constructor's prototype, to make
+  // registering events on such objects more convenient.
+  function eventMixin(ctor) {
+    ctor.prototype.on = function(type, f) {on(this, type, f);};
+    ctor.prototype.off = function(type, f) {off(this, type, f);};
+  }
+
+  // Due to the fact that we still support jurassic IE versions, some
+  // compatibility wrappers are needed.
+
+  function e_preventDefault(e) {
+    if (e.preventDefault) { e.preventDefault(); }
+    else { e.returnValue = false; }
+  }
+  function e_stopPropagation(e) {
+    if (e.stopPropagation) { e.stopPropagation(); }
+    else { e.cancelBubble = true; }
+  }
+  function e_defaultPrevented(e) {
+    return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false
+  }
+  function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}
+
+  function e_target(e) {return e.target || e.srcElement}
+  function e_button(e) {
+    var b = e.which;
+    if (b == null) {
+      if (e.button & 1) { b = 1; }
+      else if (e.button & 2) { b = 3; }
+      else if (e.button & 4) { b = 2; }
+    }
+    if (mac && e.ctrlKey && b == 1) { b = 3; }
+    return b
+  }
+
+  // Detect drag-and-drop
+  var dragAndDrop = function() {
+    // There is *some* kind of drag-and-drop support in IE6-8, but I
+    // couldn't get it to work yet.
+    if (ie && ie_version < 9) { return false }
+    var div = elt('div');
+    return "draggable" in div || "dragDrop" in div
+  }();
+
+  var zwspSupported;
+  function zeroWidthElement(measure) {
+    if (zwspSupported == null) {
+      var test = elt("span", "\u200b");
+      removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
+      if (measure.firstChild.offsetHeight != 0)
+        { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); }
+    }
+    var node = zwspSupported ? elt("span", "\u200b") :
+      elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
+    node.setAttribute("cm-text", "");
+    return node
+  }
+
+  // Feature-detect IE's crummy client rect reporting for bidi text
+  var badBidiRects;
+  function hasBadBidiRects(measure) {
+    if (badBidiRects != null) { return badBidiRects }
+    var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA"));
+    var r0 = range(txt, 0, 1).getBoundingClientRect();
+    var r1 = range(txt, 1, 2).getBoundingClientRect();
+    removeChildren(measure);
+    if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780)
+    return badBidiRects = (r1.right - r0.right < 3)
+  }
+
+  // See if "".split is the broken IE version, if so, provide an
+  // alternative way to split lines.
+  var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) {
+    var pos = 0, result = [], l = string.length;
+    while (pos <= l) {
+      var nl = string.indexOf("\n", pos);
+      if (nl == -1) { nl = string.length; }
+      var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
+      var rt = line.indexOf("\r");
+      if (rt != -1) {
+        result.push(line.slice(0, rt));
+        pos += rt + 1;
+      } else {
+        result.push(line);
+        pos = nl + 1;
+      }
+    }
+    return result
+  } : function (string) { return string.split(/\r\n?|\n/); };
+
+  var hasSelection = window.getSelection ? function (te) {
+    try { return te.selectionStart != te.selectionEnd }
+    catch(e) { return false }
+  } : function (te) {
+    var range$$1;
+    try {range$$1 = te.ownerDocument.selection.createRange();}
+    catch(e) {}
+    if (!range$$1 || range$$1.parentElement() != te) { return false }
+    return range$$1.compareEndPoints("StartToEnd", range$$1) != 0
+  };
+
+  var hasCopyEvent = (function () {
+    var e = elt("div");
+    if ("oncopy" in e) { return true }
+    e.setAttribute("oncopy", "return;");
+    return typeof e.oncopy == "function"
+  })();
+
+  var badZoomedRects = null;
+  function hasBadZoomedRects(measure) {
+    if (badZoomedRects != null) { return badZoomedRects }
+    var node = removeChildrenAndAdd(measure, elt("span", "x"));
+    var normal = node.getBoundingClientRect();
+    var fromRange = range(node, 0, 1).getBoundingClientRect();
+    return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1
+  }
+
+  // Known modes, by name and by MIME
+  var modes = {}, mimeModes = {};
+
+  // Extra arguments are stored as the mode's dependencies, which is
+  // used by (legacy) mechanisms like loadmode.js to automatically
+  // load a mode. (Preferred mechanism is the require/define calls.)
+  function defineMode(name, mode) {
+    if (arguments.length > 2)
+      { mode.dependencies = Array.prototype.slice.call(arguments, 2); }
+    modes[name] = mode;
+  }
+
+  function defineMIME(mime, spec) {
+    mimeModes[mime] = spec;
+  }
+
+  // Given a MIME type, a {name, ...options} config object, or a name
+  // string, return a mode config object.
+  function resolveMode(spec) {
+    if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
+      spec = mimeModes[spec];
+    } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
+      var found = mimeModes[spec.name];
+      if (typeof found == "string") { found = {name: found}; }
+      spec = createObj(found, spec);
+      spec.name = found.name;
+    } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
+      return resolveMode("application/xml")
+    } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) {
+      return resolveMode("application/json")
+    }
+    if (typeof spec == "string") { return {name: spec} }
+    else { return spec || {name: "null"} }
+  }
+
+  // Given a mode spec (anything that resolveMode accepts), find and
+  // initialize an actual mode object.
+  function getMode(options, spec) {
+    spec = resolveMode(spec);
+    var mfactory = modes[spec.name];
+    if (!mfactory) { return getMode(options, "text/plain") }
+    var modeObj = mfactory(options, spec);
+    if (modeExtensions.hasOwnProperty(spec.name)) {
+      var exts = modeExtensions[spec.name];
+      for (var prop in exts) {
+        if (!exts.hasOwnProperty(prop)) { continue }
+        if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; }
+        modeObj[prop] = exts[prop];
+      }
+    }
+    modeObj.name = spec.name;
+    if (spec.helperType) { modeObj.helperType = spec.helperType; }
+    if (spec.modeProps) { for (var prop$1 in spec.modeProps)
+      { modeObj[prop$1] = spec.modeProps[prop$1]; } }
+
+    return modeObj
+  }
+
+  // This can be used to attach properties to mode objects from
+  // outside the actual mode definition.
+  var modeExtensions = {};
+  function extendMode(mode, properties) {
+    var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
+    copyObj(properties, exts);
+  }
+
+  function copyState(mode, state) {
+    if (state === true) { return state }
+    if (mode.copyState) { return mode.copyState(state) }
+    var nstate = {};
+    for (var n in state) {
+      var val = state[n];
+      if (val instanceof Array) { val = val.concat([]); }
+      nstate[n] = val;
+    }
+    return nstate
+  }
+
+  // Given a mode and a state (for that mode), find the inner mode and
+  // state at the position that the state refers to.
+  function innerMode(mode, state) {
+    var info;
+    while (mode.innerMode) {
+      info = mode.innerMode(state);
+      if (!info || info.mode == mode) { break }
+      state = info.state;
+      mode = info.mode;
+    }
+    return info || {mode: mode, state: state}
+  }
+
+  function startState(mode, a1, a2) {
+    return mode.startState ? mode.startState(a1, a2) : true
+  }
+
+  // STRING STREAM
+
+  // Fed to the mode parsers, provides helper functions to make
+  // parsers more succinct.
+
+  var StringStream = function(string, tabSize, lineOracle) {
+    this.pos = this.start = 0;
+    this.string = string;
+    this.tabSize = tabSize || 8;
+    this.lastColumnPos = this.lastColumnValue = 0;
+    this.lineStart = 0;
+    this.lineOracle = lineOracle;
+  };
+
+  StringStream.prototype.eol = function () {return this.pos >= this.string.length};
+  StringStream.prototype.sol = function () {return this.pos == this.lineStart};
+  StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};
+  StringStream.prototype.next = function () {
+    if (this.pos < this.string.length)
+      { return this.string.charAt(this.pos++) }
+  };
+  StringStream.prototype.eat = function (match) {
+    var ch = this.string.charAt(this.pos);
+    var ok;
+    if (typeof match == "string") { ok = ch == match; }
+    else { ok = ch && (match.test ? match.test(ch) : match(ch)); }
+    if (ok) {++this.pos; return ch}
+  };
+  StringStream.prototype.eatWhile = function (match) {
+    var start = this.pos;
+    while (this.eat(match)){}
+    return this.pos > start
+  };
+  StringStream.prototype.eatSpace = function () {
+      var this$1 = this;
+
+    var start = this.pos;
+    while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this$1.pos; }
+    return this.pos > start
+  };
+  StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;};
+  StringStream.prototype.skipTo = function (ch) {
+    var found = this.string.indexOf(ch, this.pos);
+    if (found > -1) {this.pos = found; return true}
+  };
+  StringStream.prototype.backUp = function (n) {this.pos -= n;};
+  StringStream.prototype.column = function () {
+    if (this.lastColumnPos < this.start) {
+      this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
+      this.lastColumnPos = this.start;
+    }
+    return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
+  };
+  StringStream.prototype.indentation = function () {
+    return countColumn(this.string, null, this.tabSize) -
+      (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
+  };
+  StringStream.prototype.match = function (pattern, consume, caseInsensitive) {
+    if (typeof pattern == "string") {
+      var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; };
+      var substr = this.string.substr(this.pos, pattern.length);
+      if (cased(substr) == cased(pattern)) {
+        if (consume !== false) { this.pos += pattern.length; }
+        return true
+      }
+    } else {
+      var match = this.string.slice(this.pos).match(pattern);
+      if (match && match.index > 0) { return null }
+      if (match && consume !== false) { this.pos += match[0].length; }
+      return match
+    }
+  };
+  StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};
+  StringStream.prototype.hideFirstChars = function (n, inner) {
+    this.lineStart += n;
+    try { return inner() }
+    finally { this.lineStart -= n; }
+  };
+  StringStream.prototype.lookAhead = function (n) {
+    var oracle = this.lineOracle;
+    return oracle && oracle.lookAhead(n)
+  };
+  StringStream.prototype.baseToken = function () {
+    var oracle = this.lineOracle;
+    return oracle && oracle.baseToken(this.pos)
+  };
+
+  // Find the line object corresponding to the given line number.
+  function getLine(doc, n) {
+    n -= doc.first;
+    if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") }
+    var chunk = doc;
+    while (!chunk.lines) {
+      for (var i = 0;; ++i) {
+        var child = chunk.children[i], sz = child.chunkSize();
+        if (n < sz) { chunk = child; break }
+        n -= sz;
+      }
+    }
+    return chunk.lines[n]
+  }
+
+  // Get the part of a document between two positions, as an array of
+  // strings.
+  function getBetween(doc, start, end) {
+    var out = [], n = start.line;
+    doc.iter(start.line, end.line + 1, function (line) {
+      var text = line.text;
+      if (n == end.line) { text = text.slice(0, end.ch); }
+      if (n == start.line) { text = text.slice(start.ch); }
+      out.push(text);
+      ++n;
+    });
+    return out
+  }
+  // Get the lines between from and to, as array of strings.
+  function getLines(doc, from, to) {
+    var out = [];
+    doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value
+    return out
+  }
+
+  // Update the height of a line, propagating the height change
+  // upwards to parent nodes.
+  function updateLineHeight(line, height) {
+    var diff = height - line.height;
+    if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } }
+  }
+
+  // Given a line object, find its line number by walking up through
+  // its parent links.
+  function lineNo(line) {
+    if (line.parent == null) { return null }
+    var cur = line.parent, no = indexOf(cur.lines, line);
+    for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
+      for (var i = 0;; ++i) {
+        if (chunk.children[i] == cur) { break }
+        no += chunk.children[i].chunkSize();
+      }
+    }
+    return no + cur.first
+  }
+
+  // Find the line at the given vertical position, using the height
+  // information in the document tree.
+  function lineAtHeight(chunk, h) {
+    var n = chunk.first;
+    outer: do {
+      for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) {
+        var child = chunk.children[i$1], ch = child.height;
+        if (h < ch) { chunk = child; continue outer }
+        h -= ch;
+        n += child.chunkSize();
+      }
+      return n
+    } while (!chunk.lines)
+    var i = 0;
+    for (; i < chunk.lines.length; ++i) {
+      var line = chunk.lines[i], lh = line.height;
+      if (h < lh) { break }
+      h -= lh;
+    }
+    return n + i
+  }
+
+  function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size}
+
+  function lineNumberFor(options, i) {
+    return String(options.lineNumberFormatter(i + options.firstLineNumber))
+  }
+
+  // A Pos instance represents a position within the text.
+  function Pos(line, ch, sticky) {
+    if ( sticky === void 0 ) sticky = null;
+
+    if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) }
+    this.line = line;
+    this.ch = ch;
+    this.sticky = sticky;
+  }
+
+  // Compare two positions, return 0 if they are the same, a negative
+  // number when a is less, and a positive number otherwise.
+  function cmp(a, b) { return a.line - b.line || a.ch - b.ch }
+
+  function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 }
+
+  function copyPos(x) {return Pos(x.line, x.ch)}
+  function maxPos(a, b) { return cmp(a, b) < 0 ? b : a }
+  function minPos(a, b) { return cmp(a, b) < 0 ? a : b }
+
+  // Most of the external API clips given positions to make sure they
+  // actually exist within the document.
+  function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))}
+  function clipPos(doc, pos) {
+    if (pos.line < doc.first) { return Pos(doc.first, 0) }
+    var last = doc.first + doc.size - 1;
+    if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) }
+    return clipToLen(pos, getLine(doc, pos.line).text.length)
+  }
+  function clipToLen(pos, linelen) {
+    var ch = pos.ch;
+    if (ch == null || ch > linelen) { return Pos(pos.line, linelen) }
+    else if (ch < 0) { return Pos(pos.line, 0) }
+    else { return pos }
+  }
+  function clipPosArray(doc, array) {
+    var out = [];
+    for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); }
+    return out
+  }
+
+  var SavedContext = function(state, lookAhead) {
+    this.state = state;
+    this.lookAhead = lookAhead;
+  };
+
+  var Context = function(doc, state, line, lookAhead) {
+    this.state = state;
+    this.doc = doc;
+    this.line = line;
+    this.maxLookAhead = lookAhead || 0;
+    this.baseTokens = null;
+    this.baseTokenPos = 1;
+  };
+
+  Context.prototype.lookAhead = function (n) {
+    var line = this.doc.getLine(this.line + n);
+    if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; }
+    return line
+  };
+
+  Context.prototype.baseToken = function (n) {
+      var this$1 = this;
+
+    if (!this.baseTokens) { return null }
+    while (this.baseTokens[this.baseTokenPos] <= n)
+      { this$1.baseTokenPos += 2; }
+    var type = this.baseTokens[this.baseTokenPos + 1];
+    return {type: type && type.replace(/( |^)overlay .*/, ""),
+            size: this.baseTokens[this.baseTokenPos] - n}
+  };
+
+  Context.prototype.nextLine = function () {
+    this.line++;
+    if (this.maxLookAhead > 0) { this.maxLookAhead--; }
+  };
+
+  Context.fromSaved = function (doc, saved, line) {
+    if (saved instanceof SavedContext)
+      { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) }
+    else
+      { return new Context(doc, copyState(doc.mode, saved), line) }
+  };
+
+  Context.prototype.save = function (copy) {
+    var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state;
+    return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state
+  };
+
+
+  // Compute a style array (an array starting with a mode generation
+  // -- for invalidation -- followed by pairs of end positions and
+  // style strings), which is used to highlight the tokens on the
+  // line.
+  function highlightLine(cm, line, context, forceToEnd) {
+    // A styles array always starts with a number identifying the
+    // mode/overlays that it is based on (for easy invalidation).
+    var st = [cm.state.modeGen], lineClasses = {};
+    // Compute the base array of styles
+    runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); },
+            lineClasses, forceToEnd);
+    var state = context.state;
+
+    // Run overlays, adjust style array.
+    var loop = function ( o ) {
+      context.baseTokens = st;
+      var overlay = cm.state.overlays[o], i = 1, at = 0;
+      context.state = true;
+      runMode(cm, line.text, overlay.mode, context, function (end, style) {
+        var start = i;
+        // Ensure there's a token end at the current position, and that i points at it
+        while (at < end) {
+          var i_end = st[i];
+          if (i_end > end)
+            { st.splice(i, 1, end, st[i+1], i_end); }
+          i += 2;
+          at = Math.min(end, i_end);
+        }
+        if (!style) { return }
+        if (overlay.opaque) {
+          st.splice(start, i - start, end, "overlay " + style);
+          i = start + 2;
+        } else {
+          for (; start < i; start += 2) {
+            var cur = st[start+1];
+            st[start+1] = (cur ? cur + " " : "") + "overlay " + style;
+          }
+        }
+      }, lineClasses);
+      context.state = state;
+      context.baseTokens = null;
+      context.baseTokenPos = 1;
+    };
+
+    for (var o = 0; o < cm.state.overlays.length; ++o) loop( o );
+
+    return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}
+  }
+
+  function getLineStyles(cm, line, updateFrontier) {
+    if (!line.styles || line.styles[0] != cm.state.modeGen) {
+      var context = getContextBefore(cm, lineNo(line));
+      var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state);
+      var result = highlightLine(cm, line, context);
+      if (resetState) { context.state = resetState; }
+      line.stateAfter = context.save(!resetState);
+      line.styles = result.styles;
+      if (result.classes) { line.styleClasses = result.classes; }
+      else if (line.styleClasses) { line.styleClasses = null; }
+      if (updateFrontier === cm.doc.highlightFrontier)
+        { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); }
+    }
+    return line.styles
+  }
+
+  function getContextBefore(cm, n, precise) {
+    var doc = cm.doc, display = cm.display;
+    if (!doc.mode.startState) { return new Context(doc, true, n) }
+    var start = findStartLine(cm, n, precise);
+    var saved = start > doc.first && getLine(doc, start - 1).stateAfter;
+    var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start);
+
+    doc.iter(start, n, function (line) {
+      processLine(cm, line.text, context);
+      var pos = context.line;
+      line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null;
+      context.nextLine();
+    });
+    if (precise) { doc.modeFrontier = context.line; }
+    return context
+  }
+
+  // Lightweight form of highlight -- proceed over this line and
+  // update state, but don't save a style array. Used for lines that
+  // aren't currently visible.
+  function processLine(cm, text, context, startAt) {
+    var mode = cm.doc.mode;
+    var stream = new StringStream(text, cm.options.tabSize, context);
+    stream.start = stream.pos = startAt || 0;
+    if (text == "") { callBlankLine(mode, context.state); }
+    while (!stream.eol()) {
+      readToken(mode, stream, context.state);
+      stream.start = stream.pos;
+    }
+  }
+
+  function callBlankLine(mode, state) {
+    if (mode.blankLine) { return mode.blankLine(state) }
+    if (!mode.innerMode) { return }
+    var inner = innerMode(mode, state);
+    if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) }
+  }
+
+  function readToken(mode, stream, state, inner) {
+    for (var i = 0; i < 10; i++) {
+      if (inner) { inner[0] = innerMode(mode, state).mode; }
+      var style = mode.token(stream, state);
+      if (stream.pos > stream.start) { return style }
+    }
+    throw new Error("Mode " + mode.name + " failed to advance stream.")
+  }
+
+  var Token = function(stream, type, state) {
+    this.start = stream.start; this.end = stream.pos;
+    this.string = stream.current();
+    this.type = type || null;
+    this.state = state;
+  };
+
+  // Utility for getTokenAt and getLineTokens
+  function takeToken(cm, pos, precise, asArray) {
+    var doc = cm.doc, mode = doc.mode, style;
+    pos = clipPos(doc, pos);
+    var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise);
+    var stream = new StringStream(line.text, cm.options.tabSize, context), tokens;
+    if (asArray) { tokens = []; }
+    while ((asArray || stream.pos < pos.ch) && !stream.eol()) {
+      stream.start = stream.pos;
+      style = readToken(mode, stream, context.state);
+      if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); }
+    }
+    return asArray ? tokens : new Token(stream, style, context.state)
+  }
+
+  function extractLineClasses(type, output) {
+    if (type) { for (;;) {
+      var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/);
+      if (!lineClass) { break }
+      type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);
+      var prop = lineClass[1] ? "bgClass" : "textClass";
+      if (output[prop] == null)
+        { output[prop] = lineClass[2]; }
+      else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop]))
+        { output[prop] += " " + lineClass[2]; }
+    } }
+    return type
+  }
+
+  // Run the given mode's parser over a line, calling f for each token.
+  function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) {
+    var flattenSpans = mode.flattenSpans;
+    if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; }
+    var curStart = 0, curStyle = null;
+    var stream = new StringStream(text, cm.options.tabSize, context), style;
+    var inner = cm.options.addModeClass && [null];
+    if (text == "") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); }
+    while (!stream.eol()) {
+      if (stream.pos > cm.options.maxHighlightLength) {
+        flattenSpans = false;
+        if (forceToEnd) { processLine(cm, text, context, stream.pos); }
+        stream.pos = text.length;
+        style = null;
+      } else {
+        style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses);
+      }
+      if (inner) {
+        var mName = inner[0].name;
+        if (mName) { style = "m-" + (style ? mName + " " + style : mName); }
+      }
+      if (!flattenSpans || curStyle != style) {
+        while (curStart < stream.start) {
+          curStart = Math.min(stream.start, curStart + 5000);
+          f(curStart, curStyle);
+        }
+        curStyle = style;
+      }
+      stream.start = stream.pos;
+    }
+    while (curStart < stream.pos) {
+      // Webkit seems to refuse to render text nodes longer than 57444
+      // characters, and returns inaccurate measurements in nodes
+      // starting around 5000 chars.
+      var pos = Math.min(stream.pos, curStart + 5000);
+      f(pos, curStyle);
+      curStart = pos;
+    }
+  }
+
+  // Finds the line to start with when starting a parse. Tries to
+  // find a line with a stateAfter, so that it can start with a
+  // valid state. If that fails, it returns the line with the
+  // smallest indentation, which tends to need the least context to
+  // parse correctly.
+  function findStartLine(cm, n, precise) {
+    var minindent, minline, doc = cm.doc;
+    var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);
+    for (var search = n; search > lim; --search) {
+      if (search <= doc.first) { return doc.first }
+      var line = getLine(doc, search - 1), after = line.stateAfter;
+      if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier))
+        { return search }
+      var indented = countColumn(line.text, null, cm.options.tabSize);
+      if (minline == null || minindent > indented) {
+        minline = search - 1;
+        minindent = indented;
+      }
+    }
+    return minline
+  }
+
+  function retreatFrontier(doc, n) {
+    doc.modeFrontier = Math.min(doc.modeFrontier, n);
+    if (doc.highlightFrontier < n - 10) { return }
+    var start = doc.first;
+    for (var line = n - 1; line > start; line--) {
+      var saved = getLine(doc, line).stateAfter;
+      // change is on 3
+      // state on line 1 looked ahead 2 -- so saw 3
+      // test 1 + 2 < 3 should cover this
+      if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) {
+        start = line + 1;
+        break
+      }
+    }
+    doc.highlightFrontier = Math.min(doc.highlightFrontier, start);
+  }
+
   // Optimize some code when these features are not used.
   var sawReadOnlySpans = false, sawCollapsedSpans = false;
 
-  // EDITOR CONSTRUCTOR
-
-  // A CodeMirror instance represents an editor. This is the object
-  // that user code is usually dealing with.
-
-  function CodeMirror(place, options) {
-    if (!(this instanceof CodeMirror)) return new CodeMirror(place, options);
-
-    this.options = options = options ? copyObj(options) : {};
-    // Determine effective options based on given values and defaults.
-    copyObj(defaults, options, false);
-    setGuttersForLineNumbers(options);
-
-    var doc = options.value;
-    if (typeof doc == "string") doc = new Doc(doc, options.mode, null, options.lineSeparator);
-    this.doc = doc;
-
-    var input = new CodeMirror.inputStyles[options.inputStyle](this);
-    var display = this.display = new Display(place, doc, input);
-    display.wrapper.CodeMirror = this;
-    updateGutters(this);
-    themeChanged(this);
-    if (options.lineWrapping)
-      this.display.wrapper.className += " CodeMirror-wrap";
-    if (options.autofocus && !mobile) display.input.focus();
-    initScrollbars(this);
-
-    this.state = {
-      keyMaps: [],  // stores maps added by addKeyMap
-      overlays: [], // highlighting overlays, as added by addOverlay
-      modeGen: 0,   // bumped when mode/overlay changes, used to invalidate highlighting info
-      overwrite: false,
-      delayingBlurEvent: false,
-      focused: false,
-      suppressEdits: false, // used to disable editing during key handlers when in readOnly mode
-      pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll
-      selectingText: false,
-      draggingText: false,
-      highlight: new Delayed(), // stores highlight worker timeout
-      keySeq: null,  // Unfinished key sequence
-      specialChars: null
+  function seeReadOnlySpans() {
+    sawReadOnlySpans = true;
+  }
+
+  function seeCollapsedSpans() {
+    sawCollapsedSpans = true;
+  }
+
+  // TEXTMARKER SPANS
+
+  function MarkedSpan(marker, from, to) {
+    this.marker = marker;
+    this.from = from; this.to = to;
+  }
+
+  // Search an array of spans for a span matching the given marker.
+  function getMarkedSpanFor(spans, marker) {
+    if (spans) { for (var i = 0; i < spans.length; ++i) {
+      var span = spans[i];
+      if (span.marker == marker) { return span }
+    } }
+  }
+  // Remove a span from an array, returning undefined if no spans are
+  // left (we don't store arrays for lines without spans).
+  function removeMarkedSpan(spans, span) {
+    var r;
+    for (var i = 0; i < spans.length; ++i)
+      { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } }
+    return r
+  }
+  // Add a span to a line.
+  function addMarkedSpan(line, span) {
+    line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
+    span.marker.attachLine(line);
+  }
+
+  // Used for the algorithm that adjusts markers for a change in the
+  // document. These functions cut an array of spans at a given
+  // character position, returning an array of remaining chunks (or
+  // undefined if nothing remains).
+  function markedSpansBefore(old, startCh, isInsert) {
+    var nw;
+    if (old) { for (var i = 0; i < old.length; ++i) {
+      var span = old[i], marker = span.marker;
+      var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
+      if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {
+        var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh)
+        ;(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));
+      }
+    } }
+    return nw
+  }
+  function markedSpansAfter(old, endCh, isInsert) {
+    var nw;
+    if (old) { for (var i = 0; i < old.length; ++i) {
+      var span = old[i], marker = span.marker;
+      var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
+      if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {
+        var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh)
+        ;(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,
+                                              span.to == null ? null : span.to - endCh));
+      }
+    } }
+    return nw
+  }
+
+  // Given a change object, compute the new set of marker spans that
+  // cover the line in which the change took place. Removes spans
+  // entirely within the change, reconnects spans belonging to the
+  // same marker that appear on both sides of the change, and cuts off
+  // spans partially within the change. Returns an array of span
+  // arrays with one element for each line in (after) the change.
+  function stretchSpansOverChange(doc, change) {
+    if (change.full) { return null }
+    var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;
+    var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;
+    if (!oldFirst && !oldLast) { return null }
+
+    var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;
+    // Get the spans that 'stick out' on both sides
+    var first = markedSpansBefore(oldFirst, startCh, isInsert);
+    var last = markedSpansAfter(oldLast, endCh, isInsert);
+
+    // Next, merge those two ends
+    var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);
+    if (first) {
+      // Fix up .to properties of first
+      for (var i = 0; i < first.length; ++i) {
+        var span = first[i];
+        if (span.to == null) {
+          var found = getMarkedSpanFor(last, span.marker);
+          if (!found) { span.to = startCh; }
+          else if (sameLine) { span.to = found.to == null ? null : found.to + offset; }
+        }
+      }
+    }
+    if (last) {
+      // Fix up .from in last (or move them into first in case of sameLine)
+      for (var i$1 = 0; i$1 < last.length; ++i$1) {
+        var span$1 = last[i$1];
+        if (span$1.to != null) { span$1.to += offset; }
+        if (span$1.from == null) {
+          var found$1 = getMarkedSpanFor(first, span$1.marker);
+          if (!found$1) {
+            span$1.from = offset;
+            if (sameLine) { (first || (first = [])).push(span$1); }
+          }
+        } else {
+          span$1.from += offset;
+          if (sameLine) { (first || (first = [])).push(span$1); }
+        }
+      }
+    }
+    // Make sure we didn't create any zero-length spans
+    if (first) { first = clearEmptySpans(first); }
+    if (last && last != first) { last = clearEmptySpans(last); }
+
+    var newMarkers = [first];
+    if (!sameLine) {
+      // Fill gap with whole-line-spans
+      var gap = change.text.length - 2, gapMarkers;
+      if (gap > 0 && first)
+        { for (var i$2 = 0; i$2 < first.length; ++i$2)
+          { if (first[i$2].to == null)
+            { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } }
+      for (var i$3 = 0; i$3 < gap; ++i$3)
+        { newMarkers.push(gapMarkers); }
+      newMarkers.push(last);
+    }
+    return newMarkers
+  }
+
+  // Remove spans that are empty and don't have a clearWhenEmpty
+  // option of false.
+  function clearEmptySpans(spans) {
+    for (var i = 0; i < spans.length; ++i) {
+      var span = spans[i];
+      if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
+        { spans.splice(i--, 1); }
+    }
+    if (!spans.length) { return null }
+    return spans
+  }
+
+  // Used to 'clip' out readOnly ranges when making a change.
+  function removeReadOnlyRanges(doc, from, to) {
+    var markers = null;
+    doc.iter(from.line, to.line + 1, function (line) {
+      if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
+        var mark = line.markedSpans[i].marker;
+        if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
+          { (markers || (markers = [])).push(mark); }
+      } }
+    });
+    if (!markers) { return null }
+    var parts = [{from: from, to: to}];
+    for (var i = 0; i < markers.length; ++i) {
+      var mk = markers[i], m = mk.find(0);
+      for (var j = 0; j < parts.length; ++j) {
+        var p = parts[j];
+        if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue }
+        var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);
+        if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)
+          { newParts.push({from: p.from, to: m.from}); }
+        if (dto > 0 || !mk.inclusiveRight && !dto)
+          { newParts.push({from: m.to, to: p.to}); }
+        parts.splice.apply(parts, newParts);
+        j += newParts.length - 3;
+      }
+    }
+    return parts
+  }
+
+  // Connect or disconnect spans from a line.
+  function detachMarkedSpans(line) {
+    var spans = line.markedSpans;
+    if (!spans) { return }
+    for (var i = 0; i < spans.length; ++i)
+      { spans[i].marker.detachLine(line); }
+    line.markedSpans = null;
+  }
+  function attachMarkedSpans(line, spans) {
+    if (!spans) { return }
+    for (var i = 0; i < spans.length; ++i)
+      { spans[i].marker.attachLine(line); }
+    line.markedSpans = spans;
+  }
+
+  // Helpers used when computing which overlapping collapsed span
+  // counts as the larger one.
+  function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 }
+  function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 }
+
+  // Returns a number indicating which of two overlapping collapsed
+  // spans is larger (and thus includes the other). Falls back to
+  // comparing ids when the spans cover exactly the same range.
+  function compareCollapsedMarkers(a, b) {
+    var lenDiff = a.lines.length - b.lines.length;
+    if (lenDiff != 0) { return lenDiff }
+    var aPos = a.find(), bPos = b.find();
+    var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);
+    if (fromCmp) { return -fromCmp }
+    var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);
+    if (toCmp) { return toCmp }
+    return b.id - a.id
+  }
+
+  // Find out whether a line ends or starts in a collapsed span. If
+  // so, return the marker for that span.
+  function collapsedSpanAtSide(line, start) {
+    var sps = sawCollapsedSpans && line.markedSpans, found;
+    if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
+      sp = sps[i];
+      if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&
+          (!found || compareCollapsedMarkers(found, sp.marker) < 0))
+        { found = sp.marker; }
+    } }
+    return found
+  }
+  function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) }
+  function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) }
+
+  function collapsedSpanAround(line, ch) {
+    var sps = sawCollapsedSpans && line.markedSpans, found;
+    if (sps) { for (var i = 0; i < sps.length; ++i) {
+      var sp = sps[i];
+      if (sp.marker.collapsed && (sp.from == null || sp.from < ch) && (sp.to == null || sp.to > ch) &&
+          (!found || compareCollapsedMarkers(found, sp.marker) < 0)) { found = sp.marker; }
+    } }
+    return found
+  }
+
+  // Test whether there exists a collapsed span that partially
+  // overlaps (covers the start or end, but not both) of a new span.
+  // Such overlap is not allowed.
+  function conflictingCollapsedRange(doc, lineNo$$1, from, to, marker) {
+    var line = getLine(doc, lineNo$$1);
+    var sps = sawCollapsedSpans && line.markedSpans;
+    if (sps) { for (var i = 0; i < sps.length; ++i) {
+      var sp = sps[i];
+      if (!sp.marker.collapsed) { continue }
+      var found = sp.marker.find(0);
+      var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);
+      var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);
+      if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue }
+      if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) ||
+          fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0))
+        { return true }
+    } }
+  }
+
+  // A visual line is a line as drawn on the screen. Folding, for
+  // example, can cause multiple logical lines to appear on the same
+  // visual line. This finds the start of the visual line that the
+  // given line is part of (usually that is the line itself).
+  function visualLine(line) {
+    var merged;
+    while (merged = collapsedSpanAtStart(line))
+      { line = merged.find(-1, true).line; }
+    return line
+  }
+
+  function visualLineEnd(line) {
+    var merged;
+    while (merged = collapsedSpanAtEnd(line))
+      { line = merged.find(1, true).line; }
+    return line
+  }
+
+  // Returns an array of logical lines that continue the visual line
+  // started by the argument, or undefined if there are no such lines.
+  function visualLineContinued(line) {
+    var merged, lines;
+    while (merged = collapsedSpanAtEnd(line)) {
+      line = merged.find(1, true).line
+      ;(lines || (lines = [])).push(line);
+    }
+    return lines
+  }
+
+  // Get the line number of the start of the visual line that the
+  // given line number is part of.
+  function visualLineNo(doc, lineN) {
+    var line = getLine(doc, lineN), vis = visualLine(line);
+    if (line == vis) { return lineN }
+    return lineNo(vis)
+  }
+
+  // Get the line number of the start of the next visual line after
+  // the given line.
+  function visualLineEndNo(doc, lineN) {
+    if (lineN > doc.lastLine()) { return lineN }
+    var line = getLine(doc, lineN), merged;
+    if (!lineIsHidden(doc, line)) { return lineN }
+    while (merged = collapsedSpanAtEnd(line))
+      { line = merged.find(1, true).line; }
+    return lineNo(line) + 1
+  }
+
+  // Compute whether a line is hidden. Lines count as hidden when they
+  // are part of a visual line that starts with another line, or when
+  // they are entirely covered by collapsed, non-widget span.
+  function lineIsHidden(doc, line) {
+    var sps = sawCollapsedSpans && line.markedSpans;
+    if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
+      sp = sps[i];
+      if (!sp.marker.collapsed) { continue }
+      if (sp.from == null) { return true }
+      if (sp.marker.widgetNode) { continue }
+      if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
+        { return true }
+    } }
+  }
+  function lineIsHiddenInner(doc, line, span) {
+    if (span.to == null) {
+      var end = span.marker.find(1, true);
+      return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker))
+    }
+    if (span.marker.inclusiveRight && span.to == line.text.length)
+      { return true }
+    for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) {
+      sp = line.markedSpans[i];
+      if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&
+          (sp.to == null || sp.to != span.from) &&
+          (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
+          lineIsHiddenInner(doc, line, sp)) { return true }
+    }
+  }
+
+  // Find the height above the given line.
+  function heightAtLine(lineObj) {
+    lineObj = visualLine(lineObj);
+
+    var h = 0, chunk = lineObj.parent;
+    for (var i = 0; i < chunk.lines.length; ++i) {
+      var line = chunk.lines[i];
+      if (line == lineObj) { break }
+      else { h += line.height; }
+    }
+    for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
+      for (var i$1 = 0; i$1 < p.children.length; ++i$1) {
+        var cur = p.children[i$1];
+        if (cur == chunk) { break }
+        else { h += cur.height; }
+      }
+    }
+    return h
+  }
+
+  // Compute the character length of a line, taking into account
+  // collapsed ranges (see markText) that might hide parts, and join
+  // other lines onto it.
+  function lineLength(line) {
+    if (line.height == 0) { return 0 }
+    var len = line.text.length, merged, cur = line;
+    while (merged = collapsedSpanAtStart(cur)) {
+      var found = merged.find(0, true);
+      cur = found.from.line;
+      len += found.from.ch - found.to.ch;
+    }
+    cur = line;
+    while (merged = collapsedSpanAtEnd(cur)) {
+      var found$1 = merged.find(0, true);
+      len -= cur.text.length - found$1.from.ch;
+      cur = found$1.to.line;
+      len += cur.text.length - found$1.to.ch;
+    }
+    return len
+  }
+
+  // Find the longest line in the document.
+  function findMaxLine(cm) {
+    var d = cm.display, doc = cm.doc;
+    d.maxLine = getLine(doc, doc.first);
+    d.maxLineLength = lineLength(d.maxLine);
+    d.maxLineChanged = true;
+    doc.iter(function (line) {
+      var len = lineLength(line);
+      if (len > d.maxLineLength) {
+        d.maxLineLength = len;
+        d.maxLine = line;
+      }
+    });
+  }
+
+  // LINE DATA STRUCTURE
+
+  // Line objects. These hold state related to a line, including
+  // highlighting info (the styles array).
+  var Line = function(text, markedSpans, estimateHeight) {
+    this.text = text;
+    attachMarkedSpans(this, markedSpans);
+    this.height = estimateHeight ? estimateHeight(this) : 1;
+  };
+
+  Line.prototype.lineNo = function () { return lineNo(this) };
+  eventMixin(Line);
+
+  // Change the content (text, markers) of a line. Automatically
+  // invalidates cached information and tries to re-estimate the
+  // line's height.
+  function updateLine(line, text, markedSpans, estimateHeight) {
+    line.text = text;
+    if (line.stateAfter) { line.stateAfter = null; }
+    if (line.styles) { line.styles = null; }
+    if (line.order != null) { line.order = null; }
+    detachMarkedSpans(line);
+    attachMarkedSpans(line, markedSpans);
+    var estHeight = estimateHeight ? estimateHeight(line) : 1;
+    if (estHeight != line.height) { updateLineHeight(line, estHeight); }
+  }
+
+  // Detach a line from the document tree and its markers.
+  function cleanUpLine(line) {
+    line.parent = null;
+    detachMarkedSpans(line);
+  }
+
+  // Convert a style as returned by a mode (either null, or a string
+  // containing one or more styles) to a CSS style. This is cached,
+  // and also looks for line-wide styles.
+  var styleToClassCache = {}, styleToClassCacheWithMode = {};
+  function interpretTokenStyle(style, options) {
+    if (!style || /^\s*$/.test(style)) { return null }
+    var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;
+    return cache[style] ||
+      (cache[style] = style.replace(/\S+/g, "cm-$&"))
+  }
+
+  // Render the DOM representation of the text of a line. Also builds
+  // up a 'line map', which points at the DOM nodes that represent
+  // specific stretches of text, and is used by the measuring code.
+  // The returned object contains the DOM node, this map, and
+  // information about line-wide styles that were set by the mode.
+  function buildLineContent(cm, lineView) {
+    // The padding-right forces the element to have a 'border', which
+    // is needed on Webkit to be able to get line-level bounding
+    // rectangles for it (in measureChar).
+    var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null);
+    var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content,
+                   col: 0, pos: 0, cm: cm,
+                   trailingSpace: false,
+                   splitSpaces: cm.getOption("lineWrapping")};
+    lineView.measure = {};
+
+    // Iterate over the logical lines that make up this visual line.
+    for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
+      var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0);
+      builder.pos = 0;
+      builder.addToken = buildToken;
+      // Optionally wire in some hacks into the token-rendering
+      // algorithm, to deal with browser quirks.
+      if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction)))
+        { builder.addToken = buildTokenBadBidi(builder.addToken, order); }
+      builder.map = [];
+      var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);
+      insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));
+      if (line.styleClasses) {
+        if (line.styleClasses.bgClass)
+          { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); }
+        if (line.styleClasses.textClass)
+          { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); }
+      }
+
+      // Ensure at least a single node is present, for measuring.
+      if (builder.map.length == 0)
+        { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); }
+
+      // Store the map and a cache object for the current logical line
+      if (i == 0) {
+        lineView.measure.map = builder.map;
+        lineView.measure.cache = {};
+      } else {
+  (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map)
+        ;(lineView.measure.caches || (lineView.measure.caches = [])).push({});
+      }
+    }
+
+    // See issue #2901
+    if (webkit) {
+      var last = builder.content.lastChild;
+      if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab")))
+        { builder.content.className = "cm-tab-wrap-hack"; }
+    }
+
+    signal(cm, "renderLine", cm, lineView.line, builder.pre);
+    if (builder.pre.className)
+      { builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); }
+
+    return builder
+  }
+
+  function defaultSpecialCharPlaceholder(ch) {
+    var token = elt("span", "\u2022", "cm-invalidchar");
+    token.title = "\\u" + ch.charCodeAt(0).toString(16);
+    token.setAttribute("aria-label", token.title);
+    return token
+  }
+
+  // Build up the DOM representation for a single token, and add it to
+  // the line map. Takes care to render special characters separately.
+  function buildToken(builder, text, style, startStyle, endStyle, css, attributes) {
+    if (!text) { return }
+    var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text;
+    var special = builder.cm.state.specialChars, mustWrap = false;
+    var content;
+    if (!special.test(text)) {
+      builder.col += text.length;
+      content = document.createTextNode(displayText);
+      builder.map.push(builder.pos, builder.pos + text.length, content);
+      if (ie && ie_version < 9) { mustWrap = true; }
+      builder.pos += text.length;
+    } else {
+      content = document.createDocumentFragment();
+      var pos = 0;
+      while (true) {
+        special.lastIndex = pos;
+        var m = special.exec(text);
+        var skipped = m ? m.index - pos : text.length - pos;
+        if (skipped) {
+          var txt = document.createTextNode(displayText.slice(pos, pos + skipped));
+          if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])); }
+          else { content.appendChild(txt); }
+          builder.map.push(builder.pos, builder.pos + skipped, txt);
+          builder.col += skipped;
+          builder.pos += skipped;
+        }
+        if (!m) { break }
+        pos += skipped + 1;
+        var txt$1 = (void 0);
+        if (m[0] == "\t") {
+          var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
+          txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
+          txt$1.setAttribute("role", "presentation");
+          txt$1.setAttribute("cm-text", "\t");
+          builder.col += tabWidth;
+        } else if (m[0] == "\r" || m[0] == "\n") {
+          txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar"));
+          txt$1.setAttribute("cm-text", m[0]);
+          builder.col += 1;
+        } else {
+          txt$1 = builder.cm.options.specialCharPlaceholder(m[0]);
+          txt$1.setAttribute("cm-text", m[0]);
+          if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])); }
+          else { content.appendChild(txt$1); }
+          builder.col += 1;
+        }
+        builder.map.push(builder.pos, builder.pos + 1, txt$1);
+        builder.pos++;
+      }
+    }
+    builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32;
+    if (style || startStyle || endStyle || mustWrap || css) {
+      var fullStyle = style || "";
+      if (startStyle) { fullStyle += startStyle; }
+      if (endStyle) { fullStyle += endStyle; }
+      var token = elt("span", [content], fullStyle, css);
+      if (attributes) {
+        for (var attr in attributes) { if (attributes.hasOwnProperty(attr) && attr != "style" && attr != "class")
+          { token.setAttribute(attr, attributes[attr]); } }
+      }
+      return builder.content.appendChild(token)
+    }
+    builder.content.appendChild(content);
+  }
+
+  // Change some spaces to NBSP to prevent the browser from collapsing
+  // trailing spaces at the end of a line when rendering text (issue #1362).
+  function splitSpaces(text, trailingBefore) {
+    if (text.length > 1 && !/  /.test(text)) { return text }
+    var spaceBefore = trailingBefore, result = "";
+    for (var i = 0; i < text.length; i++) {
+      var ch = text.charAt(i);
+      if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32))
+        { ch = "\u00a0"; }
+      result += ch;
+      spaceBefore = ch == " ";
+    }
+    return result
+  }
+
+  // Work around nonsense dimensions being reported for stretches of
+  // right-to-left text.
+  function buildTokenBadBidi(inner, order) {
+    return function (builder, text, style, startStyle, endStyle, css, attributes) {
+      style = style ? style + " cm-force-border" : "cm-force-border";
+      var start = builder.pos, end = start + text.length;
+      for (;;) {
+        // Find the part that overlaps with the start of this text
+        var part = (void 0);
+        for (var i = 0; i < order.length; i++) {
+          part = order[i];
+          if (part.to > start && part.from <= start) { break }
+        }
+        if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, css, attributes) }
+        inner(builder, text.slice(0, part.to - start), style, startStyle, null, css, attributes);
+        startStyle = null;
+        text = text.slice(part.to - start);
+        start = part.to;
+      }
+    }
+  }
+
+  function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
+    var widget = !ignoreWidget && marker.widgetNode;
+    if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); }
+    if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {
+      if (!widget)
+        { widget = builder.content.appendChild(document.createElement("span")); }
+      widget.setAttribute("cm-marker", marker.id);
+    }
+    if (widget) {
+      builder.cm.display.input.setUneditable(widget);
+      builder.content.appendChild(widget);
+    }
+    builder.pos += size;
+    builder.trailingSpace = false;
+  }
+
+  // Outputs a number of spans to make up a line, taking highlighting
+  // and marked text into account.
+  function insertLineContent(line, builder, styles) {
+    var spans = line.markedSpans, allText = line.text, at = 0;
+    if (!spans) {
+      for (var i$1 = 1; i$1 < styles.length; i$1+=2)
+        { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); }
+      return
+    }
+
+    var len = allText.length, pos = 0, i = 1, text = "", style, css;
+    var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, collapsed, attributes;
+    for (;;) {
+      if (nextChange == pos) { // Update current marker set
+        spanStyle = spanEndStyle = spanStartStyle = css = "";
+        attributes = null;
+        collapsed = null; nextChange = Infinity;
+        var foundBookmarks = [], endStyles = (void 0);
+        for (var j = 0; j < spans.length; ++j) {
+          var sp = spans[j], m = sp.marker;
+          if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {
+            foundBookmarks.push(m);
+          } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {
+            if (sp.to != null && sp.to != pos && nextChange > sp.to) {
+              nextChange = sp.to;
+              spanEndStyle = "";
+            }
+            if (m.className) { spanStyle += " " + m.className; }
+            if (m.css) { css = (css ? css + ";" : "") + m.css; }
+            if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle; }
+            if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); }
+            // support for the old title property
+            // https://github.com/codemirror/CodeMirror/pull/5673
+            if (m.title) { (attributes || (attributes = {})).title = m.title; }
+            if (m.attributes) {
+              for (var attr in m.attributes)
+                { (attributes || (attributes = {}))[attr] = m.attributes[attr]; }
+            }
+            if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))
+              { collapsed = sp; }
+          } else if (sp.from > pos && nextChange > sp.from) {
+            nextChange = sp.from;
+          }
+        }
+        if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2)
+          { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1]; } } }
+
+        if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2)
+          { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } }
+        if (collapsed && (collapsed.from || 0) == pos) {
+          buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,
+                             collapsed.marker, collapsed.from == null);
+          if (collapsed.to == null) { return }
+          if (collapsed.to == pos) { collapsed = false; }
+        }
+      }
+      if (pos >= len) { break }
+
+      var upto = Math.min(len, nextChange);
+      while (true) {
+        if (text) {
+          var end = pos + text.length;
+          if (!collapsed) {
+            var tokenText = end > upto ? text.slice(0, upto - pos) : text;
+            builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
+                             spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", css, attributes);
+          }
+          if (end >= upto) {text = text.slice(upto - pos); pos = upto; break}
+          pos = end;
+          spanStartStyle = "";
+        }
+        text = allText.slice(at, at = styles[i++]);
+        style = interpretTokenStyle(styles[i++], builder.cm.options);
+      }
+    }
+  }
+
+
+  // These objects are used to represent the visible (currently drawn)
+  // part of the document. A LineView may correspond to multiple
+  // logical lines, if those are connected by collapsed ranges.
+  function LineView(doc, line, lineN) {
+    // The starting line
+    this.line = line;
+    // Continuing lines, if any
+    this.rest = visualLineContinued(line);
+    // Number of logical lines in this visual line
+    this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;
+    this.node = this.text = null;
+    this.hidden = lineIsHidden(doc, line);
+  }
+
+  // Create a range of LineView objects for the given lines.
+  function buildViewArray(cm, from, to) {
+    var array = [], nextPos;
+    for (var pos = from; pos < to; pos = nextPos) {
+      var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);
+      nextPos = pos + view.size;
+      array.push(view);
+    }
+    return array
+  }
+
+  var operationGroup = null;
+
+  function pushOperation(op) {
+    if (operationGroup) {
+      operationGroup.ops.push(op);
+    } else {
+      op.ownsGroup = operationGroup = {
+        ops: [op],
+        delayedCallbacks: []
+      };
+    }
+  }
+
+  function fireCallbacksForOps(group) {
+    // Calls delayed callbacks and cursorActivity handlers until no
+    // new ones appear
+    var callbacks = group.delayedCallbacks, i = 0;
+    do {
+      for (; i < callbacks.length; i++)
+        { callbacks[i].call(null); }
+      for (var j = 0; j < group.ops.length; j++) {
+        var op = group.ops[j];
+        if (op.cursorActivityHandlers)
+          { while (op.cursorActivityCalled < op.cursorActivityHandlers.length)
+            { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } }
+      }
+    } while (i < callbacks.length)
+  }
+
+  function finishOperation(op, endCb) {
+    var group = op.ownsGroup;
+    if (!group) { return }
+
+    try { fireCallbacksForOps(group); }
+    finally {
+      operationGroup = null;
+      endCb(group);
+    }
+  }
+
+  var orphanDelayedCallbacks = null;
+
+  // Often, we want to signal events at a point where we are in the
+  // middle of some work, but don't want the handler to start calling
+  // other methods on the editor, which might be in an inconsistent
+  // state or simply not expect any other events to happen.
+  // signalLater looks whether there are any handlers, and schedules
+  // them to be executed when the last operation ends, or, if no
+  // operation is active, when a timeout fires.
+  function signalLater(emitter, type /*, values...*/) {
+    var arr = getHandlers(emitter, type);
+    if (!arr.length) { return }
+    var args = Array.prototype.slice.call(arguments, 2), list;
+    if (operationGroup) {
+      list = operationGroup.delayedCallbacks;
+    } else if (orphanDelayedCallbacks) {
+      list = orphanDelayedCallbacks;
+    } else {
+      list = orphanDelayedCallbacks = [];
+      setTimeout(fireOrphanDelayed, 0);
+    }
+    var loop = function ( i ) {
+      list.push(function () { return arr[i].apply(null, args); });
     };
 
-    var cm = this;
-
-    // Override magic textarea content restore that IE sometimes does
-    // on our hidden textarea on reload
-    if (ie && ie_version < 11) setTimeout(function() { cm.display.input.reset(true); }, 20);
-
-    registerEventHandlers(this);
-    ensureGlobalHandlers();
-
-    startOperation(this);
-    this.curOp.forceUpdate = true;
-    attachDoc(this, doc);
-
-    if ((options.autofocus && !mobile) || cm.hasFocus())
-      setTimeout(bind(onFocus, this), 20);
-    else
-      onBlur(this);
-
-    for (var opt in optionHandlers) if (optionHandlers.hasOwnProperty(opt))
-      optionHandlers[opt](this, options[opt], Init);
-    maybeUpdateLineNumberWidth(this);
-    if (options.finishInit) options.finishInit(this);
-    for (var i = 0; i < initHooks.length; ++i) initHooks[i](this);
-    endOperation(this);
-    // Suppress optimizelegibility in Webkit, since it breaks text
-    // measuring on line wrapping boundaries.
-    if (webkit && options.lineWrapping &&
-        getComputedStyle(display.lineDiv).textRendering == "optimizelegibility")
-      display.lineDiv.style.textRendering = "auto";
-  }
-
-  // DISPLAY CONSTRUCTOR
+    for (var i = 0; i < arr.length; ++i)
+      loop( i );
+  }
+
+  function fireOrphanDelayed() {
+    var delayed = orphanDelayedCallbacks;
+    orphanDelayedCallbacks = null;
+    for (var i = 0; i < delayed.length; ++i) { delayed[i](); }
+  }
+
+  // When an aspect of a line changes, a string is added to
+  // lineView.changes. This updates the relevant part of the line's
+  // DOM structure.
+  function updateLineForChanges(cm, lineView, lineN, dims) {
+    for (var j = 0; j < lineView.changes.length; j++) {
+      var type = lineView.changes[j];
+      if (type == "text") { updateLineText(cm, lineView); }
+      else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims); }
+      else if (type == "class") { updateLineClasses(cm, lineView); }
+      else if (type == "widget") { updateLineWidgets(cm, lineView, dims); }
+    }
+    lineView.changes = null;
+  }
+
+  // Lines with gutter elements, widgets or a background class need to
+  // be wrapped, and have the extra elements added to the wrapper div
+  function ensureLineWrapped(lineView) {
+    if (lineView.node == lineView.text) {
+      lineView.node = elt("div", null, null, "position: relative");
+      if (lineView.text.parentNode)
+        { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); }
+      lineView.node.appendChild(lineView.text);
+      if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; }
+    }
+    return lineView.node
+  }
+
+  function updateLineBackground(cm, lineView) {
+    var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass;
+    if (cls) { cls += " CodeMirror-linebackground"; }
+    if (lineView.background) {
+      if (cls) { lineView.background.className = cls; }
+      else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }
+    } else if (cls) {
+      var wrap = ensureLineWrapped(lineView);
+      lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild);
+      cm.display.input.setUneditable(lineView.background);
+    }
+  }
+
+  // Wrapper around buildLineContent which will reuse the structure
+  // in display.externalMeasured when possible.
+  function getLineContent(cm, lineView) {
+    var ext = cm.display.externalMeasured;
+    if (ext && ext.line == lineView.line) {
+      cm.display.externalMeasured = null;
+      lineView.measure = ext.measure;
+      return ext.built
+    }
+    return buildLineContent(cm, lineView)
+  }
+
+  // Redraw the line's text. Interacts with the background and text
+  // classes because the mode may output tokens that influence these
+  // classes.
+  function updateLineText(cm, lineView) {
+    var cls = lineView.text.className;
+    var built = getLineContent(cm, lineView);
+    if (lineView.text == lineView.node) { lineView.node = built.pre; }
+    lineView.text.parentNode.replaceChild(built.pre, lineView.text);
+    lineView.text = built.pre;
+    if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {
+      lineView.bgClass = built.bgClass;
+      lineView.textClass = built.textClass;
+      updateLineClasses(cm, lineView);
+    } else if (cls) {
+      lineView.text.className = cls;
+    }
+  }
+
+  function updateLineClasses(cm, lineView) {
+    updateLineBackground(cm, lineView);
+    if (lineView.line.wrapClass)
+      { ensureLineWrapped(lineView).className = lineView.line.wrapClass; }
+    else if (lineView.node != lineView.text)
+      { lineView.node.className = ""; }
+    var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass;
+    lineView.text.className = textClass || "";
+  }
+
+  function updateLineGutter(cm, lineView, lineN, dims) {
+    if (lineView.gutter) {
+      lineView.node.removeChild(lineView.gutter);
+      lineView.gutter = null;
+    }
+    if (lineView.gutterBackground) {
+      lineView.node.removeChild(lineView.gutterBackground);
+      lineView.gutterBackground = null;
+    }
+    if (lineView.line.gutterClass) {
+      var wrap = ensureLineWrapped(lineView);
+      lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass,
+                                      ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px"));
+      cm.display.input.setUneditable(lineView.gutterBackground);
+      wrap.insertBefore(lineView.gutterBackground, lineView.text);
+    }
+    var markers = lineView.line.gutterMarkers;
+    if (cm.options.lineNumbers || markers) {
+      var wrap$1 = ensureLineWrapped(lineView);
+      var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"));
+      cm.display.input.setUneditable(gutterWrap);
+      wrap$1.insertBefore(gutterWrap, lineView.text);
+      if (lineView.line.gutterClass)
+        { gutterWrap.className += " " + lineView.line.gutterClass; }
+      if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
+        { lineView.lineNumber = gutterWrap.appendChild(
+          elt("div", lineNumberFor(cm.options, lineN),
+              "CodeMirror-linenumber CodeMirror-gutter-elt",
+              ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))); }
+      if (markers) { for (var k = 0; k < cm.display.gutterSpecs.length; ++k) {
+        var id = cm.display.gutterSpecs[k].className, found = markers.hasOwnProperty(id) && markers[id];
+        if (found)
+          { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt",
+                                     ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))); }
+      } }
+    }
+  }
+
+  function updateLineWidgets(cm, lineView, dims) {
+    if (lineView.alignable) { lineView.alignable = null; }
+    for (var node = lineView.node.firstChild, next = (void 0); node; node = next) {
+      next = node.nextSibling;
+      if (node.className == "CodeMirror-linewidget")
+        { lineView.node.removeChild(node); }
+    }
+    insertLineWidgets(cm, lineView, dims);
+  }
+
+  // Build a line's DOM representation from scratch
+  function buildLineElement(cm, lineView, lineN, dims) {
+    var built = getLineContent(cm, lineView);
+    lineView.text = lineView.node = built.pre;
+    if (built.bgClass) { lineView.bgClass = built.bgClass; }
+    if (built.textClass) { lineView.textClass = built.textClass; }
+
+    updateLineClasses(cm, lineView);
+    updateLineGutter(cm, lineView, lineN, dims);
+    insertLineWidgets(cm, lineView, dims);
+    return lineView.node
+  }
+
+  // A lineView may contain multiple logical lines (when merged by
+  // collapsed spans). The widgets for all of them need to be drawn.
+  function insertLineWidgets(cm, lineView, dims) {
+    insertLineWidgetsFor(cm, lineView.line, lineView, dims, true);
+    if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
+      { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } }
+  }
+
+  function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {
+    if (!line.widgets) { return }
+    var wrap = ensureLineWrapped(lineView);
+    for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
+      var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");
+      if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true"); }
+      positionLineWidget(widget, node, lineView, dims);
+      cm.display.input.setUneditable(node);
+      if (allowAbove && widget.above)
+        { wrap.insertBefore(node, lineView.gutter || lineView.text); }
+      else
+        { wrap.appendChild(node); }
+      signalLater(widget, "redraw");
+    }
+  }
+
+  function positionLineWidget(widget, node, lineView, dims) {
+    if (widget.noHScroll) {
+  (lineView.alignable || (lineView.alignable = [])).push(node);
+      var width = dims.wrapperWidth;
+      node.style.left = dims.fixedPos + "px";
+      if (!widget.coverGutter) {
+        width -= dims.gutterTotalWidth;
+        node.style.paddingLeft = dims.gutterTotalWidth + "px";
+      }
+      node.style.width = width + "px";
+    }
+    if (widget.coverGutter) {
+      node.style.zIndex = 5;
+      node.style.position = "relative";
+      if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px"; }
+    }
+  }
+
+  function widgetHeight(widget) {
+    if (widget.height != null) { return widget.height }
+    var cm = widget.doc.cm;
+    if (!cm) { return 0 }
+    if (!contains(document.body, widget.node)) {
+      var parentStyle = "position: relative;";
+      if (widget.coverGutter)
+        { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; }
+      if (widget.noHScroll)
+        { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; }
+      removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle));
+    }
+    return widget.height = widget.node.parentNode.offsetHeight
+  }
+
+  // Return true when the given mouse event happened in a widget
+  function eventInWidget(display, e) {
+    for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
+      if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") ||
+          (n.parentNode == display.sizer && n != display.mover))
+        { return true }
+    }
+  }
+
+  // POSITION MEASUREMENT
+
+  function paddingTop(display) {return display.lineSpace.offsetTop}
+  function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight}
+  function paddingH(display) {
+    if (display.cachedPaddingH) { return display.cachedPaddingH }
+    var e = removeChildrenAndAdd(display.measure, elt("pre", "x", "CodeMirror-line-like"));
+    var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;
+    var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};
+    if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; }
+    return data
+  }
+
+  function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth }
+  function displayWidth(cm) {
+    return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth
+  }
+  function displayHeight(cm) {
+    return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight
+  }
+
+  // Ensure the lineView.wrapping.heights array is populated. This is
+  // an array of bottom offsets for the lines that make up a drawn
+  // line. When lineWrapping is on, there might be more than one
+  // height.
+  function ensureLineHeights(cm, lineView, rect) {
+    var wrapping = cm.options.lineWrapping;
+    var curWidth = wrapping && displayWidth(cm);
+    if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {
+      var heights = lineView.measure.heights = [];
+      if (wrapping) {
+        lineView.measure.width = curWidth;
+        var rects = lineView.text.firstChild.getClientRects();
+        for (var i = 0; i < rects.length - 1; i++) {
+          var cur = rects[i], next = rects[i + 1];
+          if (Math.abs(cur.bottom - next.bottom) > 2)
+            { heights.push((cur.bottom + next.top) / 2 - rect.top); }
+        }
+      }
+      heights.push(rect.bottom - rect.top);
+    }
+  }
+
+  // Find a line map (mapping character offsets to text nodes) and a
+  // measurement cache for the given line number. (A line view might
+  // contain multiple lines when collapsed ranges are present.)
+  function mapFromLineView(lineView, line, lineN) {
+    if (lineView.line == line)
+      { return {map: lineView.measure.map, cache: lineView.measure.cache} }
+    for (var i = 0; i < lineView.rest.length; i++)
+      { if (lineView.rest[i] == line)
+        { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } }
+    for (var i$1 = 0; i$1 < lineView.rest.length; i$1++)
+      { if (lineNo(lineView.rest[i$1]) > lineN)
+        { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } }
+  }
+
+  // Render a line into the hidden node display.externalMeasured. Used
+  // when measurement is needed for a line that's not in the viewport.
+  function updateExternalMeasurement(cm, line) {
+    line = visualLine(line);
+    var lineN = lineNo(line);
+    var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);
+    view.lineN = lineN;
+    var built = view.built = buildLineContent(cm, view);
+    view.text = built.pre;
+    removeChildrenAndAdd(cm.display.lineMeasure, built.pre);
+    return view
+  }
+
+  // Get a {top, bottom, left, right} box (in line-local coordinates)
+  // for a given character.
+  function measureChar(cm, line, ch, bias) {
+    return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias)
+  }
+
+  // Find a line view that corresponds to the given line number.
+  function findViewForLine(cm, lineN) {
+    if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)
+      { return cm.display.view[findViewIndex(cm, lineN)] }
+    var ext = cm.display.externalMeasured;
+    if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)
+      { return ext }
+  }
+
+  // Measurement can be split in two steps, the set-up work that
+  // applies to the whole line, and the measurement of the actual
+  // character. Functions like coordsChar, that need to do a lot of
+  // measurements in a row, can thus ensure that the set-up work is
+  // only done once.
+  function prepareMeasureForLine(cm, line) {
+    var lineN = lineNo(line);
+    var view = findViewForLine(cm, lineN);
+    if (view && !view.text) {
+      view = null;
+    } else if (view && view.changes) {
+      updateLineForChanges(cm, view, lineN, getDimensions(cm));
+      cm.curOp.forceUpdate = true;
+    }
+    if (!view)
+      { view = updateExternalMeasurement(cm, line); }
+
+    var info = mapFromLineView(view, line, lineN);
+    return {
+      line: line, view: view, rect: null,
+      map: info.map, cache: info.cache, before: info.before,
+      hasHeights: false
+    }
+  }
+
+  // Given a prepared measurement object, measures the position of an
+  // actual character (or fetches it from the cache).
+  function measureCharPrepared(cm, prepared, ch, bias, varHeight) {
+    if (prepared.before) { ch = -1; }
+    var key = ch + (bias || ""), found;
+    if (prepared.cache.hasOwnProperty(key)) {
+      found = prepared.cache[key];
+    } else {
+      if (!prepared.rect)
+        { prepared.rect = prepared.view.text.getBoundingClientRect(); }
+      if (!prepared.hasHeights) {
+        ensureLineHeights(cm, prepared.view, prepared.rect);
+        prepared.hasHeights = true;
+      }
+      found = measureCharInner(cm, prepared, ch, bias);
+      if (!found.bogus) { prepared.cache[key] = found; }
+    }
+    return {left: found.left, right: found.right,
+            top: varHeight ? found.rtop : found.top,
+            bottom: varHeight ? found.rbottom : found.bottom}
+  }
+
+  var nullRect = {left: 0, right: 0, top: 0, bottom: 0};
+
+  function nodeAndOffsetInLineMap(map$$1, ch, bias) {
+    var node, start, end, collapse, mStart, mEnd;
+    // First, search the line map for the text node corresponding to,
+    // or closest to, the target character.
+    for (var i = 0; i < map$$1.length; i += 3) {
+      mStart = map$$1[i];
+      mEnd = map$$1[i + 1];
+      if (ch < mStart) {
+        start = 0; end = 1;
+        collapse = "left";
+      } else if (ch < mEnd) {
+        start = ch - mStart;
+        end = start + 1;
+      } else if (i == map$$1.length - 3 || ch == mEnd && map$$1[i + 3] > ch) {
+        end = mEnd - mStart;
+        start = end - 1;
+        if (ch >= mEnd) { collapse = "right"; }
+      }
+      if (start != null) {
+        node = map$$1[i + 2];
+        if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))
+          { collapse = bias; }
+        if (bias == "left" && start == 0)
+          { while (i && map$$1[i - 2] == map$$1[i - 3] && map$$1[i - 1].insertLeft) {
+            node = map$$1[(i -= 3) + 2];
+            collapse = "left";
+          } }
+        if (bias == "right" && start == mEnd - mStart)
+          { while (i < map$$1.length - 3 && map$$1[i + 3] == map$$1[i + 4] && !map$$1[i + 5].insertLeft) {
+            node = map$$1[(i += 3) + 2];
+            collapse = "right";
+          } }
+        break
+      }
+    }
+    return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}
+  }
+
+  function getUsefulRect(rects, bias) {
+    var rect = nullRect;
+    if (bias == "left") { for (var i = 0; i < rects.length; i++) {
+      if ((rect = rects[i]).left != rect.right) { break }
+    } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) {
+      if ((rect = rects[i$1]).left != rect.right) { break }
+    } }
+    return rect
+  }
+
+  function measureCharInner(cm, prepared, ch, bias) {
+    var place = nodeAndOffsetInLineMap(prepared.map, ch, bias);
+    var node = place.node, start = place.start, end = place.end, collapse = place.collapse;
+
+    var rect;
+    if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.
+      for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned
+        while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; }
+        while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; }
+        if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart)
+          { rect = node.parentNode.getBoundingClientRect(); }
+        else
+          { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); }
+        if (rect.left || rect.right || start == 0) { break }
+        end = start;
+        start = start - 1;
+        collapse = "right";
+      }
+      if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); }
+    } else { // If it is a widget, simply get the box for the whole widget.
+      if (start > 0) { collapse = bias = "right"; }
+      var rects;
+      if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)
+        { rect = rects[bias == "right" ? rects.length - 1 : 0]; }
+      else
+        { rect = node.getBoundingClientRect(); }
+    }
+    if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {
+      var rSpan = node.parentNode.getClientRects()[0];
+      if (rSpan)
+        { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; }
+      else
+        { rect = nullRect; }
+    }
+
+    var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;
+    var mid = (rtop + rbot) / 2;
+    var heights = prepared.view.measure.heights;
+    var i = 0;
+    for (; i < heights.length - 1; i++)
+      { if (mid < heights[i]) { break } }
+    var top = i ? heights[i - 1] : 0, bot = heights[i];
+    var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,
+                  right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,
+                  top: top, bottom: bot};
+    if (!rect.left && !rect.right) { result.bogus = true; }
+    if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; }
+
+    return result
+  }
+
+  // Work around problem with bounding client rects on ranges being
+  // returned incorrectly when zoomed on IE10 and below.
+  function maybeUpdateRectForZooming(measure, rect) {
+    if (!window.screen || screen.logicalXDPI == null ||
+        screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))
+      { return rect }
+    var scaleX = screen.logicalXDPI / screen.deviceXDPI;
+    var scaleY = screen.logicalYDPI / screen.deviceYDPI;
+    return {left: rect.left * scaleX, right: rect.right * scaleX,
+            top: rect.top * scaleY, bottom: rect.bottom * scaleY}
+  }
+
+  function clearLineMeasurementCacheFor(lineView) {
+    if (lineView.measure) {
+      lineView.measure.cache = {};
+      lineView.measure.heights = null;
+      if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
+        { lineView.measure.caches[i] = {}; } }
+    }
+  }
+
+  function clearLineMeasurementCache(cm) {
+    cm.display.externalMeasure = null;
+    removeChildren(cm.display.lineMeasure);
+    for (var i = 0; i < cm.display.view.length; i++)
+      { clearLineMeasurementCacheFor(cm.display.view[i]); }
+  }
+
+  function clearCaches(cm) {
+    clearLineMeasurementCache(cm);
+    cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;
+    if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; }
+    cm.display.lineNumChars = null;
+  }
+
+  function pageScrollX() {
+    // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206
+    // which causes page_Offset and bounding client rects to use
+    // different reference viewports and invalidate our calculations.
+    if (chrome && android) { return -(document.body.getBoundingClientRect().left - parseInt(getComputedStyle(document.body).marginLeft)) }
+    return window.pageXOffset || (document.documentElement || document.body).scrollLeft
+  }
+  function pageScrollY() {
+    if (chrome && android) { return -(document.body.getBoundingClientRect().top - parseInt(getComputedStyle(document.body).marginTop)) }
+    return window.pageYOffset || (document.documentElement || document.body).scrollTop
+  }
+
+  function widgetTopHeight(lineObj) {
+    var height = 0;
+    if (lineObj.widgets) { for (var i = 0; i < lineObj.widgets.length; ++i) { if (lineObj.widgets[i].above)
+      { height += widgetHeight(lineObj.widgets[i]); } } }
+    return height
+  }
+
+  // Converts a {top, bottom, left, right} box from line-local
+  // coordinates into another coordinate system. Context may be one of
+  // "line", "div" (display.lineDiv), "local"./null (editor), "window",
+  // or "page".
+  function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) {
+    if (!includeWidgets) {
+      var height = widgetTopHeight(lineObj);
+      rect.top += height; rect.bottom += height;
+    }
+    if (context == "line") { return rect }
+    if (!context) { context = "local"; }
+    var yOff = heightAtLine(lineObj);
+    if (context == "local") { yOff += paddingTop(cm.display); }
+    else { yOff -= cm.display.viewOffset; }
+    if (context == "page" || context == "window") {
+      var lOff = cm.display.lineSpace.getBoundingClientRect();
+      yOff += lOff.top + (context == "window" ? 0 : pageScrollY());
+      var xOff = lOff.left + (context == "window" ? 0 : pageScrollX());
+      rect.left += xOff; rect.right += xOff;
+    }
+    rect.top += yOff; rect.bottom += yOff;
+    return rect
+  }
+
+  // Coverts a box from "div" coords to another coordinate system.
+  // Context may be "window", "page", "div", or "local"./null.
+  function fromCoordSystem(cm, coords, context) {
+    if (context == "div") { return coords }
+    var left = coords.left, top = coords.top;
+    // First move into "page" coordinate system
+    if (context == "page") {
+      left -= pageScrollX();
+      top -= pageScrollY();
+    } else if (context == "local" || !context) {
+      var localBox = cm.display.sizer.getBoundingClientRect();
+      left += localBox.left;
+      top += localBox.top;
+    }
+
+    var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();
+    return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}
+  }
+
+  function charCoords(cm, pos, context, lineObj, bias) {
+    if (!lineObj) { lineObj = getLine(cm.doc, pos.line); }
+    return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context)
+  }
+
+  // Returns a box for a given cursor position, which may have an
+  // 'other' property containing the position of the secondary cursor
+  // on a bidi boundary.
+  // A cursor Pos(line, char, "before") is on the same visual line as `char - 1`
+  // and after `char - 1` in writing order of `char - 1`
+  // A cursor Pos(line, char, "after") is on the same visual line as `char`
+  // and before `char` in writing order of `char`
+  // Examples (upper-case letters are RTL, lower-case are LTR):
+  //     Pos(0, 1, ...)
+  //     before   after
+  // ab     a|b     a|b
+  // aB     a|B     aB|
+  // Ab     |Ab     A|b
+  // AB     B|A     B|A
+  // Every position after the last character on a line is considered to stick
+  // to the last character on the line.
+  function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {
+    lineObj = lineObj || getLine(cm.doc, pos.line);
+    if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }
+    function get(ch, right) {
+      var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight);
+      if (right) { m.left = m.right; } else { m.right = m.left; }
+      return intoCoordSystem(cm, lineObj, m, context)
+    }
+    var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky;
+    if (ch >= lineObj.text.length) {
+      ch = lineObj.text.length;
+      sticky = "before";
+    } else if (ch <= 0) {
+      ch = 0;
+      sticky = "after";
+    }
+    if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") }
+
+    function getBidi(ch, partPos, invert) {
+      var part = order[partPos], right = part.level == 1;
+      return get(invert ? ch - 1 : ch, right != invert)
+    }
+    var partPos = getBidiPartAt(order, ch, sticky);
+    var other = bidiOther;
+    var val = getBidi(ch, partPos, sticky == "before");
+    if (other != null) { val.other = getBidi(ch, other, sticky != "before"); }
+    return val
+  }
+
+  // Used to cheaply estimate the coordinates for a position. Used for
+  // intermediate scroll updates.
+  function estimateCoords(cm, pos) {
+    var left = 0;
+    pos = clipPos(cm.doc, pos);
+    if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; }
+    var lineObj = getLine(cm.doc, pos.line);
+    var top = heightAtLine(lineObj) + paddingTop(cm.display);
+    return {left: left, right: left, top: top, bottom: top + lineObj.height}
+  }
+
+  // Positions returned by coordsChar contain some extra information.
+  // xRel is the relative x position of the input coordinates compared
+  // to the found position (so xRel > 0 means the coordinates are to
+  // the right of the character position, for example). When outside
+  // is true, that means the coordinates lie outside the line's
+  // vertical range.
+  function PosWithInfo(line, ch, sticky, outside, xRel) {
+    var pos = Pos(line, ch, sticky);
+    pos.xRel = xRel;
+    if (outside) { pos.outside = outside; }
+    return pos
+  }
+
+  // Compute the character position closest to the given coordinates.
+  // Input must be lineSpace-local ("div" coordinate system).
+  function coordsChar(cm, x, y) {
+    var doc = cm.doc;
+    y += cm.display.viewOffset;
+    if (y < 0) { return PosWithInfo(doc.first, 0, null, -1, -1) }
+    var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;
+    if (lineN > last)
+      { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, 1, 1) }
+    if (x < 0) { x = 0; }
+
+    var lineObj = getLine(doc, lineN);
+    for (;;) {
+      var found = coordsCharInner(cm, lineObj, lineN, x, y);
+      var collapsed = collapsedSpanAround(lineObj, found.ch + (found.xRel > 0 || found.outside > 0 ? 1 : 0));
+      if (!collapsed) { return found }
+      var rangeEnd = collapsed.find(1);
+      if (rangeEnd.line == lineN) { return rangeEnd }
+      lineObj = getLine(doc, lineN = rangeEnd.line);
+    }
+  }
+
+  function wrappedLineExtent(cm, lineObj, preparedMeasure, y) {
+    y -= widgetTopHeight(lineObj);
+    var end = lineObj.text.length;
+    var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0);
+    end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end);
+    return {begin: begin, end: end}
+  }
+
+  function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) {
+    if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }
+    var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top;
+    return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop)
+  }
+
+  // Returns true if the given side of a box is after the given
+  // coordinates, in top-to-bottom, left-to-right order.
+  function boxIsAfter(box, x, y, left) {
+    return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x
+  }
+
+  function coordsCharInner(cm, lineObj, lineNo$$1, x, y) {
+    // Move y into line-local coordinate space
+    y -= heightAtLine(lineObj);
+    var preparedMeasure = prepareMeasureForLine(cm, lineObj);
+    // When directly calling `measureCharPrepared`, we have to adjust
+    // for the widgets at this line.
+    var widgetHeight$$1 = widgetTopHeight(lineObj);
+    var begin = 0, end = lineObj.text.length, ltr = true;
+
+    var order = getOrder(lineObj, cm.doc.direction);
+    // If the line isn't plain left-to-right text, first figure out
+    // which bidi section the coordinates fall into.
+    if (order) {
+      var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart)
+                   (cm, lineObj, lineNo$$1, preparedMeasure, order, x, y);
+      ltr = part.level != 1;
+      // The awkward -1 offsets are needed because findFirst (called
+      // on these below) will treat its first bound as inclusive,
+      // second as exclusive, but we want to actually address the
+      // characters in the part's range
+      begin = ltr ? part.from : part.to - 1;
+      end = ltr ? part.to : part.from - 1;
+    }
+
+    // A binary search to find the first character whose bounding box
+    // starts after the coordinates. If we run across any whose box wrap
+    // the coordinates, store that.
+    var chAround = null, boxAround = null;
+    var ch = findFirst(function (ch) {
+      var box = measureCharPrepared(cm, preparedMeasure, ch);
+      box.top += widgetHeight$$1; box.bottom += widgetHeight$$1;
+      if (!boxIsAfter(box, x, y, false)) { return false }
+      if (box.top <= y && box.left <= x) {
+        chAround = ch;
+        boxAround = box;
+      }
+      return true
+    }, begin, end);
+
+    var baseX, sticky, outside = false;
+    // If a box around the coordinates was found, use that
+    if (boxAround) {
+      // Distinguish coordinates nearer to the left or right side of the box
+      var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr;
+      ch = chAround + (atStart ? 0 : 1);
+      sticky = atStart ? "after" : "before";
+      baseX = atLeft ? boxAround.left : boxAround.right;
+    } else {
+      // (Adjust for extended bound, if necessary.)
+      if (!ltr && (ch == end || ch == begin)) { ch++; }
+      // To determine which side to associate with, get the box to the
+      // left of the character and compare it's vertical position to the
+      // coordinates
+      sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" :
+        (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight$$1 <= y) == ltr ?
+        "after" : "before";
+      // Now get accurate coordinates for this place, in order to get a
+      // base X position
+      var coords = cursorCoords(cm, Pos(lineNo$$1, ch, sticky), "line", lineObj, preparedMeasure);
+      baseX = coords.left;
+      outside = y < coords.top ? -1 : y >= coords.bottom ? 1 : 0;
+    }
+
+    ch = skipExtendingChars(lineObj.text, ch, 1);
+    return PosWithInfo(lineNo$$1, ch, sticky, outside, x - baseX)
+  }
+
+  function coordsBidiPart(cm, lineObj, lineNo$$1, preparedMeasure, order, x, y) {
+    // Bidi parts are sorted left-to-right, and in a non-line-wrapping
+    // situation, we can take this ordering to correspond to the visual
+    // ordering. This finds the first part whose end is after the given
+    // coordinates.
+    var index = findFirst(function (i) {
+      var part = order[i], ltr = part.level != 1;
+      return boxIsAfter(cursorCoords(cm, Pos(lineNo$$1, ltr ? part.to : part.from, ltr ? "before" : "after"),
+                                     "line", lineObj, preparedMeasure), x, y, true)
+    }, 0, order.length - 1);
+    var part = order[index];
+    // If this isn't the first part, the part's start is also after
+    // the coordinates, and the coordinates aren't on the same line as
+    // that start, move one part back.
+    if (index > 0) {
+      var ltr = part.level != 1;
+      var start = cursorCoords(cm, Pos(lineNo$$1, ltr ? part.from : part.to, ltr ? "after" : "before"),
+                               "line", lineObj, preparedMeasure);
+      if (boxIsAfter(start, x, y, true) && start.top > y)
+        { part = order[index - 1]; }
+    }
+    return part
+  }
+
+  function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) {
+    // In a wrapped line, rtl text on wrapping boundaries can do things
+    // that don't correspond to the ordering in our `order` array at
+    // all, so a binary search doesn't work, and we want to return a
+    // part that only spans one line so that the binary search in
+    // coordsCharInner is safe. As such, we first find the extent of the
+    // wrapped line, and then do a flat search in which we discard any
+    // spans that aren't on the line.
+    var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y);
+    var begin = ref.begin;
+    var end = ref.end;
+    if (/\s/.test(lineObj.text.charAt(end - 1))) { end--; }
+    var part = null, closestDist = null;
+    for (var i = 0; i < order.length; i++) {
+      var p = order[i];
+      if (p.from >= end || p.to <= begin) { continue }
+      var ltr = p.level != 1;
+      var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right;
+      // Weigh against spans ending before this, so that they are only
+      // picked if nothing ends after
+      var dist = endX < x ? x - endX + 1e9 : endX - x;
+      if (!part || closestDist > dist) {
+        part = p;
+        closestDist = dist;
+      }
+    }
+    if (!part) { part = order[order.length - 1]; }
+    // Clip the part to the wrapped line.
+    if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; }
+    if (part.to > end) { part = {from: part.from, to: end, level: part.level}; }
+    return part
+  }
+
+  var measureText;
+  // Compute the default text height.
+  function textHeight(display) {
+    if (display.cachedTextHeight != null) { return display.cachedTextHeight }
+    if (measureText == null) {
+      measureText = elt("pre", null, "CodeMirror-line-like");
+      // Measure a bunch of lines, for browsers that compute
+      // fractional heights.
+      for (var i = 0; i < 49; ++i) {
+        measureText.appendChild(document.createTextNode("x"));
+        measureText.appendChild(elt("br"));
+      }
+      measureText.appendChild(document.createTextNode("x"));
+    }
+    removeChildrenAndAdd(display.measure, measureText);
+    var height = measureText.offsetHeight / 50;
+    if (height > 3) { display.cachedTextHeight = height; }
+    removeChildren(display.measure);
+    return height || 1
+  }
+
+  // Compute the default character width.
+  function charWidth(display) {
+    if (display.cachedCharWidth != null) { return display.cachedCharWidth }
+    var anchor = elt("span", "xxxxxxxxxx");
+    var pre = elt("pre", [anchor], "CodeMirror-line-like");
+    removeChildrenAndAdd(display.measure, pre);
+    var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;
+    if (width > 2) { display.cachedCharWidth = width; }
+    return width || 10
+  }
+
+  // Do a bulk-read of the DOM positions and sizes needed to draw the
+  // view, so that we don't interleave reading and writing to the DOM.
+  function getDimensions(cm) {
+    var d = cm.display, left = {}, width = {};
+    var gutterLeft = d.gutters.clientLeft;
+    for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
+      var id = cm.display.gutterSpecs[i].className;
+      left[id] = n.offsetLeft + n.clientLeft + gutterLeft;
+      width[id] = n.clientWidth;
+    }
+    return {fixedPos: compensateForHScroll(d),
+            gutterTotalWidth: d.gutters.offsetWidth,
+            gutterLeft: left,
+            gutterWidth: width,
+            wrapperWidth: d.wrapper.clientWidth}
+  }
+
+  // Computes display.scroller.scrollLeft + display.gutters.offsetWidth,
+  // but using getBoundingClientRect to get a sub-pixel-accurate
+  // result.
+  function compensateForHScroll(display) {
+    return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left
+  }
+
+  // Returns a function that estimates the height of a line, to use as
+  // first approximation until the line becomes visible (and is thus
+  // properly measurable).
+  function estimateHeight(cm) {
+    var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;
+    var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);
+    return function (line) {
+      if (lineIsHidden(cm.doc, line)) { return 0 }
+
+      var widgetsHeight = 0;
+      if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) {
+        if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; }
+      } }
+
+      if (wrapping)
+        { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th }
+      else
+        { return widgetsHeight + th }
+    }
+  }
+
+  function estimateLineHeights(cm) {
+    var doc = cm.doc, est = estimateHeight(cm);
+    doc.iter(function (line) {
+      var estHeight = est(line);
+      if (estHeight != line.height) { updateLineHeight(line, estHeight); }
+    });
+  }
+
+  // Given a mouse event, find the corresponding position. If liberal
+  // is false, it checks whether a gutter or scrollbar was clicked,
+  // and returns null if it was. forRect is used by rectangular
+  // selections, and tries to estimate a character position even for
+  // coordinates beyond the right of the text.
+  function posFromMouse(cm, e, liberal, forRect) {
+    var display = cm.display;
+    if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null }
+
+    var x, y, space = display.lineSpace.getBoundingClientRect();
+    // Fails unpredictably on IE[67] when mouse is dragged around quickly.
+    try { x = e.clientX - space.left; y = e.clientY - space.top; }
+    catch (e) { return null }
+    var coords = coordsChar(cm, x, y), line;
+    if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {
+      var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;
+      coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));
+    }
+    return coords
+  }
+
+  // Find the view element corresponding to a given line. Return null
+  // when the line isn't visible.
+  function findViewIndex(cm, n) {
+    if (n >= cm.display.viewTo) { return null }
+    n -= cm.display.viewFrom;
+    if (n < 0) { return null }
+    var view = cm.display.view;
+    for (var i = 0; i < view.length; i++) {
+      n -= view[i].size;
+      if (n < 0) { return i }
+    }
+  }
+
+  // Updates the display.view data structure for a given change to the
+  // document. From and to are in pre-change coordinates. Lendiff is
+  // the amount of lines added or subtracted by the change. This is
+  // used for changes that span multiple lines, or change the way
+  // lines are divided into visual lines. regLineChange (below)
+  // registers single-line changes.
+  function regChange(cm, from, to, lendiff) {
+    if (from == null) { from = cm.doc.first; }
+    if (to == null) { to = cm.doc.first + cm.doc.size; }
+    if (!lendiff) { lendiff = 0; }
+
+    var display = cm.display;
+    if (lendiff && to < display.viewTo &&
+        (display.updateLineNumbers == null || display.updateLineNumbers > from))
+      { display.updateLineNumbers = from; }
+
+    cm.curOp.viewChanged = true;
+
+    if (from >= display.viewTo) { // Change after
+      if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)
+        { resetView(cm); }
+    } else if (to <= display.viewFrom) { // Change before
+      if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {
+        resetView(cm);
+      } else {
+        display.viewFrom += lendiff;
+        display.viewTo += lendiff;
+      }
+    } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap
+      resetView(cm);
+    } else if (from <= display.viewFrom) { // Top overlap
+      var cut = viewCuttingPoint(cm, to, to + lendiff, 1);
+      if (cut) {
+        display.view = display.view.slice(cut.index);
+        display.viewFrom = cut.lineN;
+        display.viewTo += lendiff;
+      } else {
+        resetView(cm);
+      }
+    } else if (to >= display.viewTo) { // Bottom overlap
+      var cut$1 = viewCuttingPoint(cm, from, from, -1);
+      if (cut$1) {
+        display.view = display.view.slice(0, cut$1.index);
+        display.viewTo = cut$1.lineN;
+      } else {
+        resetView(cm);
+      }
+    } else { // Gap in the middle
+      var cutTop = viewCuttingPoint(cm, from, from, -1);
+      var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);
+      if (cutTop && cutBot) {
+        display.view = display.view.slice(0, cutTop.index)
+          .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))
+          .concat(display.view.slice(cutBot.index));
+        display.viewTo += lendiff;
+      } else {
+        resetView(cm);
+      }
+    }
+
+    var ext = display.externalMeasured;
+    if (ext) {
+      if (to < ext.lineN)
+        { ext.lineN += lendiff; }
+      else if (from < ext.lineN + ext.size)
+        { display.externalMeasured = null; }
+    }
+  }
+
+  // Register a change to a single line. Type must be one of "text",
+  // "gutter", "class", "widget"
+  function regLineChange(cm, line, type) {
+    cm.curOp.viewChanged = true;
+    var display = cm.display, ext = cm.display.externalMeasured;
+    if (ext && line >= ext.lineN && line < ext.lineN + ext.size)
+      { display.externalMeasured = null; }
+
+    if (line < display.viewFrom || line >= display.viewTo) { return }
+    var lineView = display.view[findViewIndex(cm, line)];
+    if (lineView.node == null) { return }
+    var arr = lineView.changes || (lineView.changes = []);
+    if (indexOf(arr, type) == -1) { arr.push(type); }
+  }
+
+  // Clear the view.
+  function resetView(cm) {
+    cm.display.viewFrom = cm.display.viewTo = cm.doc.first;
+    cm.display.view = [];
+    cm.display.viewOffset = 0;
+  }
+
+  function viewCuttingPoint(cm, oldN, newN, dir) {
+    var index = findViewIndex(cm, oldN), diff, view = cm.display.view;
+    if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)
+      { return {index: index, lineN: newN} }
+    var n = cm.display.viewFrom;
+    for (var i = 0; i < index; i++)
+      { n += view[i].size; }
+    if (n != oldN) {
+      if (dir > 0) {
+        if (index == view.length - 1) { return null }
+        diff = (n + view[index].size) - oldN;
+        index++;
+      } else {
+        diff = n - oldN;
+      }
+      oldN += diff; newN += diff;
+    }
+    while (visualLineNo(cm.doc, newN) != newN) {
+      if (index == (dir < 0 ? 0 : view.length - 1)) { return null }
+      newN += dir * view[index - (dir < 0 ? 1 : 0)].size;
+      index += dir;
+    }
+    return {index: index, lineN: newN}
+  }
+
+  // Force the view to cover a given range, adding empty view element
+  // or clipping off existing ones as needed.
+  function adjustView(cm, from, to) {
+    var display = cm.display, view = display.view;
+    if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {
+      display.view = buildViewArray(cm, from, to);
+      display.viewFrom = from;
+    } else {
+      if (display.viewFrom > from)
+        { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); }
+      else if (display.viewFrom < from)
+        { display.view = display.view.slice(findViewIndex(cm, from)); }
+      display.viewFrom = from;
+      if (display.viewTo < to)
+        { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); }
+      else if (display.viewTo > to)
+        { display.view = display.view.slice(0, findViewIndex(cm, to)); }
+    }
+    display.viewTo = to;
+  }
+
+  // Count the number of lines in the view whose DOM representation is
+  // out of date (or nonexistent).
+  function countDirtyView(cm) {
+    var view = cm.display.view, dirty = 0;
+    for (var i = 0; i < view.length; i++) {
+      var lineView = view[i];
+      if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; }
+    }
+    return dirty
+  }
+
+  function updateSelection(cm) {
+    cm.display.input.showSelection(cm.display.input.prepareSelection());
+  }
+
+  function prepareSelection(cm, primary) {
+    if ( primary === void 0 ) primary = true;
+
+    var doc = cm.doc, result = {};
+    var curFragment = result.cursors = document.createDocumentFragment();
+    var selFragment = result.selection = document.createDocumentFragment();
+
+    for (var i = 0; i < doc.sel.ranges.length; i++) {
+      if (!primary && i == doc.sel.primIndex) { continue }
+      var range$$1 = doc.sel.ranges[i];
+      if (range$$1.from().line >= cm.display.viewTo || range$$1.to().line < cm.display.viewFrom) { continue }
+      var collapsed = range$$1.empty();
+      if (collapsed || cm.options.showCursorWhenSelecting)
+        { drawSelectionCursor(cm, range$$1.head, curFragment); }
+      if (!collapsed)
+        { drawSelectionRange(cm, range$$1, selFragment); }
+    }
+    return result
+  }
+
+  // Draws a cursor for the given range
+  function drawSelectionCursor(cm, head, output) {
+    var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine);
+
+    var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor"));
+    cursor.style.left = pos.left + "px";
+    cursor.style.top = pos.top + "px";
+    cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";
+
+    if (pos.other) {
+      // Secondary cursor, shown when on a 'jump' in bi-directional text
+      var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"));
+      otherCursor.style.display = "";
+      otherCursor.style.left = pos.other.left + "px";
+      otherCursor.style.top = pos.other.top + "px";
+      otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
+    }
+  }
+
+  function cmpCoords(a, b) { return a.top - b.top || a.left - b.left }
+
+  // Draws the given range as a highlighted selection
+  function drawSelectionRange(cm, range$$1, output) {
+    var display = cm.display, doc = cm.doc;
+    var fragment = document.createDocumentFragment();
+    var padding = paddingH(cm.display), leftSide = padding.left;
+    var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right;
+    var docLTR = doc.direction == "ltr";
+
+    function add(left, top, width, bottom) {
+      if (top < 0) { top = 0; }
+      top = Math.round(top);
+      bottom = Math.round(bottom);
+      fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n                             top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n                             height: " + (bottom - top) + "px")));
+    }
+
+    function drawForLine(line, fromArg, toArg) {
+      var lineObj = getLine(doc, line);
+      var lineLen = lineObj.text.length;
+      var start, end;
+      function coords(ch, bias) {
+        return charCoords(cm, Pos(line, ch), "div", lineObj, bias)
+      }
+
+      function wrapX(pos, dir, side) {
+        var extent = wrappedLineExtentChar(cm, lineObj, null, pos);
+        var prop = (dir == "ltr") == (side == "after") ? "left" : "right";
+        var ch = side == "after" ? extent.begin : extent.end - (/\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1);
+        return coords(ch, prop)[prop]
+      }
+
+      var order = getOrder(lineObj, doc.direction);
+      iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) {
+        var ltr = dir == "ltr";
+        var fromPos = coords(from, ltr ? "left" : "right");
+        var toPos = coords(to - 1, ltr ? "right" : "left");
+
+        var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen;
+        var first = i == 0, last = !order || i == order.length - 1;
+        if (toPos.top - fromPos.top <= 3) { // Single line
+          var openLeft = (docLTR ? openStart : openEnd) && first;
+          var openRight = (docLTR ? openEnd : openStart) && last;
+          var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left;
+          var right = openRight ? rightSide : (ltr ? toPos : fromPos).right;
+          add(left, fromPos.top, right - left, fromPos.bottom);
+        } else { // Multiple lines
+          var topLeft, topRight, botLeft, botRight;
+          if (ltr) {
+            topLeft = docLTR && openStart && first ? leftSide : fromPos.left;
+            topRight = docLTR ? rightSide : wrapX(from, dir, "before");
+            botLeft = docLTR ? leftSide : wrapX(to, dir, "after");
+            botRight = docLTR && openEnd && last ? rightSide : toPos.right;
+          } else {
+            topLeft = !docLTR ? leftSide : wrapX(from, dir, "before");
+            topRight = !docLTR && openStart && first ? rightSide : fromPos.right;
+            botLeft = !docLTR && openEnd && last ? leftSide : toPos.left;
+            botRight = !docLTR ? rightSide : wrapX(to, dir, "after");
+          }
+          add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom);
+          if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); }
+          add(botLeft, toPos.top, botRight - botLeft, toPos.bottom);
+        }
+
+        if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; }
+        if (cmpCoords(toPos, start) < 0) { start = toPos; }
+        if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; }
+        if (cmpCoords(toPos, end) < 0) { end = toPos; }
+      });
+      return {start: start, end: end}
+    }
+
+    var sFrom = range$$1.from(), sTo = range$$1.to();
+    if (sFrom.line == sTo.line) {
+      drawForLine(sFrom.line, sFrom.ch, sTo.ch);
+    } else {
+      var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);
+      var singleVLine = visualLine(fromLine) == visualLine(toLine);
+      var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;
+      var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;
+      if (singleVLine) {
+        if (leftEnd.top < rightStart.top - 2) {
+          add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);
+          add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);
+        } else {
+          add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);
+        }
+      }
+      if (leftEnd.bottom < rightStart.top)
+        { add(leftSide, leftEnd.bottom, null, rightStart.top); }
+    }
+
+    output.appendChild(fragment);
+  }
+
+  // Cursor-blinking
+  function restartBlink(cm) {
+    if (!cm.state.focused) { return }
+    var display = cm.display;
+    clearInterval(display.blinker);
+    var on = true;
+    display.cursorDiv.style.visibility = "";
+    if (cm.options.cursorBlinkRate > 0)
+      { display.blinker = setInterval(function () { return display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; },
+        cm.options.cursorBlinkRate); }
+    else if (cm.options.cursorBlinkRate < 0)
+      { display.cursorDiv.style.visibility = "hidden"; }
+  }
+
+  function ensureFocus(cm) {
+    if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); }
+  }
+
+  function delayBlurEvent(cm) {
+    cm.state.delayingBlurEvent = true;
+    setTimeout(function () { if (cm.state.delayingBlurEvent) {
+      cm.state.delayingBlurEvent = false;
+      onBlur(cm);
+    } }, 100);
+  }
+
+  function onFocus(cm, e) {
+    if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false; }
+
+    if (cm.options.readOnly == "nocursor") { return }
+    if (!cm.state.focused) {
+      signal(cm, "focus", cm, e);
+      cm.state.focused = true;
+      addClass(cm.display.wrapper, "CodeMirror-focused");
+      // This test prevents this from firing when a context
+      // menu is closed (since the input reset would kill the
+      // select-all detection hack)
+      if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {
+        cm.display.input.reset();
+        if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730
+      }
+      cm.display.input.receivedFocus();
+    }
+    restartBlink(cm);
+  }
+  function onBlur(cm, e) {
+    if (cm.state.delayingBlurEvent) { return }
+
+    if (cm.state.focused) {
+      signal(cm, "blur", cm, e);
+      cm.state.focused = false;
+      rmClass(cm.display.wrapper, "CodeMirror-focused");
+    }
+    clearInterval(cm.display.blinker);
+    setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150);
+  }
+
+  // Read the actual heights of the rendered lines, and update their
+  // stored heights to match.
+  function updateHeightsInViewport(cm) {
+    var display = cm.display;
+    var prevBottom = display.lineDiv.offsetTop;
+    for (var i = 0; i < display.view.length; i++) {
+      var cur = display.view[i], wrapping = cm.options.lineWrapping;
+      var height = (void 0), width = 0;
+      if (cur.hidden) { continue }
+      if (ie && ie_version < 8) {
+        var bot = cur.node.offsetTop + cur.node.offsetHeight;
+        height = bot - prevBottom;
+        prevBottom = bot;
+      } else {
+        var box = cur.node.getBoundingClientRect();
+        height = box.bottom - box.top;
+        // Check that lines don't extend past the right of the current
+        // editor width
+        if (!wrapping && cur.text.firstChild)
+          { width = cur.text.firstChild.getBoundingClientRect().right - box.left - 1; }
+      }
+      var diff = cur.line.height - height;
+      if (diff > .005 || diff < -.005) {
+        updateLineHeight(cur.line, height);
+        updateWidgetHeight(cur.line);
+        if (cur.rest) { for (var j = 0; j < cur.rest.length; j++)
+          { updateWidgetHeight(cur.rest[j]); } }
+      }
+      if (width > cm.display.sizerWidth) {
+        var chWidth = Math.ceil(width / charWidth(cm.display));
+        if (chWidth > cm.display.maxLineLength) {
+          cm.display.maxLineLength = chWidth;
+          cm.display.maxLine = cur.line;
+          cm.display.maxLineChanged = true;
+        }
+      }
+    }
+  }
+
+  // Read and store the height of line widgets associated with the
+  // given line.
+  function updateWidgetHeight(line) {
+    if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i) {
+      var w = line.widgets[i], parent = w.node.parentNode;
+      if (parent) { w.height = parent.offsetHeight; }
+    } }
+  }
+
+  // Compute the lines that are visible in a given viewport (defaults
+  // the the current scroll position). viewport may contain top,
+  // height, and ensure (see op.scrollToPos) properties.
+  function visibleLines(display, doc, viewport) {
+    var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;
+    top = Math.floor(top - paddingTop(display));
+    var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;
+
+    var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);
+    // Ensure is a {from: {line, ch}, to: {line, ch}} object, and
+    // forces those lines into the viewport (if possible).
+    if (viewport && viewport.ensure) {
+      var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;
+      if (ensureFrom < from) {
+        from = ensureFrom;
+        to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight);
+      } else if (Math.min(ensureTo, doc.lastLine()) >= to) {
+        from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight);
+        to = ensureTo;
+      }
+    }
+    return {from: from, to: Math.max(to, from + 1)}
+  }
+
+  // SCROLLING THINGS INTO VIEW
+
+  // If an editor sits on the top or bottom of the window, partially
+  // scrolled out of view, this ensures that the cursor is visible.
+  function maybeScrollWindow(cm, rect) {
+    if (signalDOMEvent(cm, "scrollCursorIntoView")) { return }
+
+    var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
+    if (rect.top + box.top < 0) { doScroll = true; }
+    else if (rect.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) { doScroll = false; }
+    if (doScroll != null && !phantom) {
+      var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n                         top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\n                         height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\n                         left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;"));
+      cm.display.lineSpace.appendChild(scrollNode);
+      scrollNode.scrollIntoView(doScroll);
+      cm.display.lineSpace.removeChild(scrollNode);
+    }
+  }
+
+  // Scroll a given position into view (immediately), verifying that
+  // it actually became visible (as line heights are accurately
+  // measured, the position of something may 'drift' during drawing).
+  function scrollPosIntoView(cm, pos, end, margin) {
+    if (margin == null) { margin = 0; }
+    var rect;
+    if (!cm.options.lineWrapping && pos == end) {
+      // Set pos and end to the cursor positions around the character pos sticks to
+      // If pos.sticky == "before", that is around pos.ch - 1, otherwise around pos.ch
+      // If pos == Pos(_, 0, "before"), pos and end are unchanged
+      pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos;
+      end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos;
+    }
+    for (var limit = 0; limit < 5; limit++) {
+      var changed = false;
+      var coords = cursorCoords(cm, pos);
+      var endCoords = !end || end == pos ? coords : cursorCoords(cm, end);
+      rect = {left: Math.min(coords.left, endCoords.left),
+              top: Math.min(coords.top, endCoords.top) - margin,
+              right: Math.max(coords.left, endCoords.left),
+              bottom: Math.max(coords.bottom, endCoords.bottom) + margin};
+      var scrollPos = calculateScrollPos(cm, rect);
+      var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;
+      if (scrollPos.scrollTop != null) {
+        updateScrollTop(cm, scrollPos.scrollTop);
+        if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; }
+      }
+      if (scrollPos.scrollLeft != null) {
+        setScrollLeft(cm, scrollPos.scrollLeft);
+        if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; }
+      }
+      if (!changed) { break }
+    }
+    return rect
+  }
+
+  // Scroll a given set of coordinates into view (immediately).
+  function scrollIntoView(cm, rect) {
+    var scrollPos = calculateScrollPos(cm, rect);
+    if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); }
+    if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); }
+  }
+
+  // Calculate a new scroll position needed to scroll the given
+  // rectangle into view. Returns an object with scrollTop and
+  // scrollLeft properties. When these are undefined, the
+  // vertical/horizontal position does not need to be adjusted.
+  function calculateScrollPos(cm, rect) {
+    var display = cm.display, snapMargin = textHeight(cm.display);
+    if (rect.top < 0) { rect.top = 0; }
+    var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;
+    var screen = displayHeight(cm), result = {};
+    if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; }
+    var docBottom = cm.doc.height + paddingVert(display);
+    var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin;
+    if (rect.top < screentop) {
+      result.scrollTop = atTop ? 0 : rect.top;
+    } else if (rect.bottom > screentop + screen) {
+      var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen);
+      if (newTop != screentop) { result.scrollTop = newTop; }
+    }
+
+    var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft;
+    var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0);
+    var tooWide = rect.right - rect.left > screenw;
+    if (tooWide) { rect.right = rect.left + screenw; }
+    if (rect.left < 10)
+      { result.scrollLeft = 0; }
+    else if (rect.left < screenleft)
+      { result.scrollLeft = Math.max(0, rect.left - (tooWide ? 0 : 10)); }
+    else if (rect.right > screenw + screenleft - 3)
+      { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; }
+    return result
+  }
+
+  // Store a relative adjustment to the scroll position in the current
+  // operation (to be applied when the operation finishes).
+  function addToScrollTop(cm, top) {
+    if (top == null) { return }
+    resolveScrollToPos(cm);
+    cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;
+  }
+
+  // Make sure that at the end of the operation the current cursor is
+  // shown.
+  function ensureCursorVisible(cm) {
+    resolveScrollToPos(cm);
+    var cur = cm.getCursor();
+    cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin};
+  }
+
+  function scrollToCoords(cm, x, y) {
+    if (x != null || y != null) { resolveScrollToPos(cm); }
+    if (x != null) { cm.curOp.scrollLeft = x; }
+    if (y != null) { cm.curOp.scrollTop = y; }
+  }
+
+  function scrollToRange(cm, range$$1) {
+    resolveScrollToPos(cm);
+    cm.curOp.scrollToPos = range$$1;
+  }
+
+  // When an operation has its scrollToPos property set, and another
+  // scroll action is applied before the end of the operation, this
+  // 'simulates' scrolling that position into view in a cheap way, so
+  // that the effect of intermediate scroll commands is not ignored.
+  function resolveScrollToPos(cm) {
+    var range$$1 = cm.curOp.scrollToPos;
+    if (range$$1) {
+      cm.curOp.scrollToPos = null;
+      var from = estimateCoords(cm, range$$1.from), to = estimateCoords(cm, range$$1.to);
+      scrollToCoordsRange(cm, from, to, range$$1.margin);
+    }
+  }
+
+  function scrollToCoordsRange(cm, from, to, margin) {
+    var sPos = calculateScrollPos(cm, {
+      left: Math.min(from.left, to.left),
+      top: Math.min(from.top, to.top) - margin,
+      right: Math.max(from.right, to.right),
+      bottom: Math.max(from.bottom, to.bottom) + margin
+    });
+    scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop);
+  }
+
+  // Sync the scrollable area and scrollbars, ensure the viewport
+  // covers the visible area.
+  function updateScrollTop(cm, val) {
+    if (Math.abs(cm.doc.scrollTop - val) < 2) { return }
+    if (!gecko) { updateDisplaySimple(cm, {top: val}); }
+    setScrollTop(cm, val, true);
+    if (gecko) { updateDisplaySimple(cm); }
+    startWorker(cm, 100);
+  }
+
+  function setScrollTop(cm, val, forceScroll) {
+    val = Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val);
+    if (cm.display.scroller.scrollTop == val && !forceScroll) { return }
+    cm.doc.scrollTop = val;
+    cm.display.scrollbars.setScrollTop(val);
+    if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; }
+  }
+
+  // Sync scroller and scrollbar, ensure the gutter elements are
+  // aligned.
+  function setScrollLeft(cm, val, isScroller, forceScroll) {
+    val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth);
+    if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return }
+    cm.doc.scrollLeft = val;
+    alignHorizontally(cm);
+    if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; }
+    cm.display.scrollbars.setScrollLeft(val);
+  }
+
+  // SCROLLBARS
+
+  // Prepare DOM reads needed to update the scrollbars. Done in one
+  // shot to minimize update/measure roundtrips.
+  function measureForScrollbars(cm) {
+    var d = cm.display, gutterW = d.gutters.offsetWidth;
+    var docH = Math.round(cm.doc.height + paddingVert(cm.display));
+    return {
+      clientHeight: d.scroller.clientHeight,
+      viewHeight: d.wrapper.clientHeight,
+      scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,
+      viewWidth: d.wrapper.clientWidth,
+      barLeft: cm.options.fixedGutter ? gutterW : 0,
+      docHeight: docH,
+      scrollHeight: docH + scrollGap(cm) + d.barHeight,
+      nativeBarWidth: d.nativeBarWidth,
+      gutterWidth: gutterW
+    }
+  }
+
+  var NativeScrollbars = function(place, scroll, cm) {
+    this.cm = cm;
+    var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar");
+    var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar");
+    vert.tabIndex = horiz.tabIndex = -1;
+    place(vert); place(horiz);
+
+    on(vert, "scroll", function () {
+      if (vert.clientHeight) { scroll(vert.scrollTop, "vertical"); }
+    });
+    on(horiz, "scroll", function () {
+      if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal"); }
+    });
+
+    this.checkedZeroWidth = false;
+    // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
+    if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; }
+  };
+
+  NativeScrollbars.prototype.update = function (measure) {
+    var needsH = measure.scrollWidth > measure.clientWidth + 1;
+    var needsV = measure.scrollHeight > measure.clientHeight + 1;
+    var sWidth = measure.nativeBarWidth;
+
+    if (needsV) {
+      this.vert.style.display = "block";
+      this.vert.style.bottom = needsH ? sWidth + "px" : "0";
+      var totalHeight = measure.viewHeight - (needsH ? sWidth : 0);
+      // A bug in IE8 can cause this value to be negative, so guard it.
+      this.vert.firstChild.style.height =
+        Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px";
+    } else {
+      this.vert.style.display = "";
+      this.vert.firstChild.style.height = "0";
+    }
+
+    if (needsH) {
+      this.horiz.style.display = "block";
+      this.horiz.style.right = needsV ? sWidth + "px" : "0";
+      this.horiz.style.left = measure.barLeft + "px";
+      var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0);
+      this.horiz.firstChild.style.width =
+        Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px";
+    } else {
+      this.horiz.style.display = "";
+      this.horiz.firstChild.style.width = "0";
+    }
+
+    if (!this.checkedZeroWidth && measure.clientHeight > 0) {
+      if (sWidth == 0) { this.zeroWidthHack(); }
+      this.checkedZeroWidth = true;
+    }
+
+    return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}
+  };
+
+  NativeScrollbars.prototype.setScrollLeft = function (pos) {
+    if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; }
+    if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz"); }
+  };
+
+  NativeScrollbars.prototype.setScrollTop = function (pos) {
+    if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; }
+    if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, "vert"); }
+  };
+
+  NativeScrollbars.prototype.zeroWidthHack = function () {
+    var w = mac && !mac_geMountainLion ? "12px" : "18px";
+    this.horiz.style.height = this.vert.style.width = w;
+    this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none";
+    this.disableHoriz = new Delayed;
+    this.disableVert = new Delayed;
+  };
+
+  NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) {
+    bar.style.pointerEvents = "auto";
+    function maybeDisable() {
+      // To find out whether the scrollbar is still visible, we
+      // check whether the element under the pixel in the bottom
+      // right corner of the scrollbar box is the scrollbar box
+      // itself (when the bar is still visible) or its filler child
+      // (when the bar is hidden). If it is still visible, we keep
+      // it enabled, if it's hidden, we disable pointer events.
+      var box = bar.getBoundingClientRect();
+      var elt$$1 = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2)
+          : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1);
+      if (elt$$1 != bar) { bar.style.pointerEvents = "none"; }
+      else { delay.set(1000, maybeDisable); }
+    }
+    delay.set(1000, maybeDisable);
+  };
+
+  NativeScrollbars.prototype.clear = function () {
+    var parent = this.horiz.parentNode;
+    parent.removeChild(this.horiz);
+    parent.removeChild(this.vert);
+  };
+
+  var NullScrollbars = function () {};
+
+  NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} };
+  NullScrollbars.prototype.setScrollLeft = function () {};
+  NullScrollbars.prototype.setScrollTop = function () {};
+  NullScrollbars.prototype.clear = function () {};
+
+  function updateScrollbars(cm, measure) {
+    if (!measure) { measure = measureForScrollbars(cm); }
+    var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight;
+    updateScrollbarsInner(cm, measure);
+    for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {
+      if (startWidth != cm.display.barWidth && cm.options.lineWrapping)
+        { updateHeightsInViewport(cm); }
+      updateScrollbarsInner(cm, measureForScrollbars(cm));
+      startWidth = cm.display.barWidth; startHeight = cm.display.barHeight;
+    }
+  }
+
+  // Re-synchronize the fake scrollbars with the actual size of the
+  // content.
+  function updateScrollbarsInner(cm, measure) {
+    var d = cm.display;
+    var sizes = d.scrollbars.update(measure);
+
+    d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px";
+    d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px";
+    d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent";
+
+    if (sizes.right && sizes.bottom) {
+      d.scrollbarFiller.style.display = "block";
+      d.scrollbarFiller.style.height = sizes.bottom + "px";
+      d.scrollbarFiller.style.width = sizes.right + "px";
+    } else { d.scrollbarFiller.style.display = ""; }
+    if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
+      d.gutterFiller.style.display = "block";
+      d.gutterFiller.style.height = sizes.bottom + "px";
+      d.gutterFiller.style.width = measure.gutterWidth + "px";
+    } else { d.gutterFiller.style.display = ""; }
+  }
+
+  var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars};
+
+  function initScrollbars(cm) {
+    if (cm.display.scrollbars) {
+      cm.display.scrollbars.clear();
+      if (cm.display.scrollbars.addClass)
+        { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); }
+    }
+
+    cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) {
+      cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller);
+      // Prevent clicks in the scrollbars from killing focus
+      on(node, "mousedown", function () {
+        if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); }
+      });
+      node.setAttribute("cm-not-content", "true");
+    }, function (pos, axis) {
+      if (axis == "horizontal") { setScrollLeft(cm, pos); }
+      else { updateScrollTop(cm, pos); }
+    }, cm);
+    if (cm.display.scrollbars.addClass)
+      { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); }
+  }
+
+  // Operations are used to wrap a series of changes to the editor
+  // state in such a way that each change won't have to update the
+  // cursor and display (which would be awkward, slow, and
+  // error-prone). Instead, display updates are batched and then all
+  // combined and executed at once.
+
+  var nextOpId = 0;
+  // Start a new operation.
+  function startOperation(cm) {
+    cm.curOp = {
+      cm: cm,
+      viewChanged: false,      // Flag that indicates that lines might need to be redrawn
+      startHeight: cm.doc.height, // Used to detect need to update scrollbar
+      forceUpdate: false,      // Used to force a redraw
+      updateInput: 0,       // Whether to reset the input textarea
+      typing: false,           // Whether this reset should be careful to leave existing text (for compositing)
+      changeObjs: null,        // Accumulated changes, for firing change events
+      cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on
+      cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already
+      selectionChanged: false, // Whether the selection needs to be redrawn
+      updateMaxLine: false,    // Set when the widest line needs to be determined anew
+      scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet
+      scrollToPos: null,       // Used to scroll to a specific position
+      focus: false,
+      id: ++nextOpId           // Unique ID
+    };
+    pushOperation(cm.curOp);
+  }
+
+  // Finish an operation, updating the display and signalling delayed events
+  function endOperation(cm) {
+    var op = cm.curOp;
+    if (op) { finishOperation(op, function (group) {
+      for (var i = 0; i < group.ops.length; i++)
+        { group.ops[i].cm.curOp = null; }
+      endOperations(group);
+    }); }
+  }
+
+  // The DOM updates done when an operation finishes are batched so
+  // that the minimum number of relayouts are required.
+  function endOperations(group) {
+    var ops = group.ops;
+    for (var i = 0; i < ops.length; i++) // Read DOM
+      { endOperation_R1(ops[i]); }
+    for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe)
+      { endOperation_W1(ops[i$1]); }
+    for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM
+      { endOperation_R2(ops[i$2]); }
+    for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe)
+      { endOperation_W2(ops[i$3]); }
+    for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM
+      { endOperation_finish(ops[i$4]); }
+  }
+
+  function endOperation_R1(op) {
+    var cm = op.cm, display = cm.display;
+    maybeClipScrollbars(cm);
+    if (op.updateMaxLine) { findMaxLine(cm); }
+
+    op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||
+      op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||
+                         op.scrollToPos.to.line >= display.viewTo) ||
+      display.maxLineChanged && cm.options.lineWrapping;
+    op.update = op.mustUpdate &&
+      new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);
+  }
+
+  function endOperation_W1(op) {
+    op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);
+  }
+
+  function endOperation_R2(op) {
+    var cm = op.cm, display = cm.display;
+    if (op.updatedDisplay) { updateHeightsInViewport(cm); }
+
+    op.barMeasure = measureForScrollbars(cm);
+
+    // If the max line changed since it was last measured, measure it,
+    // and ensure the document's width matches it.
+    // updateDisplay_W2 will use these properties to do the actual resizing
+    if (display.maxLineChanged && !cm.options.lineWrapping) {
+      op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;
+      cm.display.sizerWidth = op.adjustWidthTo;
+      op.barMeasure.scrollWidth =
+        Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth);
+      op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm));
+    }
+
+    if (op.updatedDisplay || op.selectionChanged)
+      { op.preparedSelection = display.input.prepareSelection(); }
+  }
+
+  function endOperation_W2(op) {
+    var cm = op.cm;
+
+    if (op.adjustWidthTo != null) {
+      cm.display.sizer.style.minWidth = op.adjustWidthTo + "px";
+      if (op.maxScrollLeft < cm.doc.scrollLeft)
+        { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); }
+      cm.display.maxLineChanged = false;
+    }
+
+    var takeFocus = op.focus && op.focus == activeElt();
+    if (op.preparedSelection)
+      { cm.display.input.showSelection(op.preparedSelection, takeFocus); }
+    if (op.updatedDisplay || op.startHeight != cm.doc.height)
+      { updateScrollbars(cm, op.barMeasure); }
+    if (op.updatedDisplay)
+      { setDocumentHeight(cm, op.barMeasure); }
+
+    if (op.selectionChanged) { restartBlink(cm); }
+
+    if (cm.state.focused && op.updateInput)
+      { cm.display.input.reset(op.typing); }
+    if (takeFocus) { ensureFocus(op.cm); }
+  }
+
+  function endOperation_finish(op) {
+    var cm = op.cm, display = cm.display, doc = cm.doc;
+
+    if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); }
+
+    // Abort mouse wheel delta measurement, when scrolling explicitly
+    if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))
+      { display.wheelStartX = display.wheelStartY = null; }
+
+    // Propagate the scroll position to the actual DOM scroller
+    if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); }
+
+    if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); }
+    // If we need to scroll a specific position into view, do so.
+    if (op.scrollToPos) {
+      var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),
+                                   clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);
+      maybeScrollWindow(cm, rect);
+    }
+
+    // Fire events for markers that are hidden/unidden by editing or
+    // undoing
+    var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;
+    if (hidden) { for (var i = 0; i < hidden.length; ++i)
+      { if (!hidden[i].lines.length) { signal(hidden[i], "hide"); } } }
+    if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1)
+      { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide"); } } }
+
+    if (display.wrapper.offsetHeight)
+      { doc.scrollTop = cm.display.scroller.scrollTop; }
+
+    // Fire change events, and delayed event handlers
+    if (op.changeObjs)
+      { signal(cm, "changes", cm, op.changeObjs); }
+    if (op.update)
+      { op.update.finish(); }
+  }
+
+  // Run the given function in an operation
+  function runInOp(cm, f) {
+    if (cm.curOp) { return f() }
+    startOperation(cm);
+    try { return f() }
+    finally { endOperation(cm); }
+  }
+  // Wraps a function in an operation. Returns the wrapped function.
+  function operation(cm, f) {
+    return function() {
+      if (cm.curOp) { return f.apply(cm, arguments) }
+      startOperation(cm);
+      try { return f.apply(cm, arguments) }
+      finally { endOperation(cm); }
+    }
+  }
+  // Used to add methods to editor and doc instances, wrapping them in
+  // operations.
+  function methodOp(f) {
+    return function() {
+      if (this.curOp) { return f.apply(this, arguments) }
+      startOperation(this);
+      try { return f.apply(this, arguments) }
+      finally { endOperation(this); }
+    }
+  }
+  function docMethodOp(f) {
+    return function() {
+      var cm = this.cm;
+      if (!cm || cm.curOp) { return f.apply(this, arguments) }
+      startOperation(cm);
+      try { return f.apply(this, arguments) }
+      finally { endOperation(cm); }
+    }
+  }
+
+  // HIGHLIGHT WORKER
+
+  function startWorker(cm, time) {
+    if (cm.doc.highlightFrontier < cm.display.viewTo)
+      { cm.state.highlight.set(time, bind(highlightWorker, cm)); }
+  }
+
+  function highlightWorker(cm) {
+    var doc = cm.doc;
+    if (doc.highlightFrontier >= cm.display.viewTo) { return }
+    var end = +new Date + cm.options.workTime;
+    var context = getContextBefore(cm, doc.highlightFrontier);
+    var changedLines = [];
+
+    doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) {
+      if (context.line >= cm.display.viewFrom) { // Visible
+        var oldStyles = line.styles;
+        var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null;
+        var highlighted = highlightLine(cm, line, context, true);
+        if (resetState) { context.state = resetState; }
+        line.styles = highlighted.styles;
+        var oldCls = line.styleClasses, newCls = highlighted.classes;
+        if (newCls) { line.styleClasses = newCls; }
+        else if (oldCls) { line.styleClasses = null; }
+        var ischange = !oldStyles || oldStyles.length != line.styles.length ||
+          oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass);
+        for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; }
+        if (ischange) { changedLines.push(context.line); }
+        line.stateAfter = context.save();
+        context.nextLine();
+      } else {
+        if (line.text.length <= cm.options.maxHighlightLength)
+          { processLine(cm, line.text, context); }
+        line.stateAfter = context.line % 5 == 0 ? context.save() : null;
+        context.nextLine();
+      }
+      if (+new Date > end) {
+        startWorker(cm, cm.options.workDelay);
+        return true
+      }
+    });
+    doc.highlightFrontier = context.line;
+    doc.modeFrontier = Math.max(doc.modeFrontier, context.line);
+    if (changedLines.length) { runInOp(cm, function () {
+      for (var i = 0; i < changedLines.length; i++)
+        { regLineChange(cm, changedLines[i], "text"); }
+    }); }
+  }
+
+  // DISPLAY DRAWING
+
+  var DisplayUpdate = function(cm, viewport, force) {
+    var display = cm.display;
+
+    this.viewport = viewport;
+    // Store some values that we'll need later (but don't want to force a relayout for)
+    this.visible = visibleLines(display, cm.doc, viewport);
+    this.editorIsHidden = !display.wrapper.offsetWidth;
+    this.wrapperHeight = display.wrapper.clientHeight;
+    this.wrapperWidth = display.wrapper.clientWidth;
+    this.oldDisplayWidth = displayWidth(cm);
+    this.force = force;
+    this.dims = getDimensions(cm);
+    this.events = [];
+  };
+
+  DisplayUpdate.prototype.signal = function (emitter, type) {
+    if (hasHandler(emitter, type))
+      { this.events.push(arguments); }
+  };
+  DisplayUpdate.prototype.finish = function () {
+      var this$1 = this;
+
+    for (var i = 0; i < this.events.length; i++)
+      { signal.apply(null, this$1.events[i]); }
+  };
+
+  function maybeClipScrollbars(cm) {
+    var display = cm.display;
+    if (!display.scrollbarsClipped && display.scroller.offsetWidth) {
+      display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth;
+      display.heightForcer.style.height = scrollGap(cm) + "px";
+      display.sizer.style.marginBottom = -display.nativeBarWidth + "px";
+      display.sizer.style.borderRightWidth = scrollGap(cm) + "px";
+      display.scrollbarsClipped = true;
+    }
+  }
+
+  function selectionSnapshot(cm) {
+    if (cm.hasFocus()) { return null }
+    var active = activeElt();
+    if (!active || !contains(cm.display.lineDiv, active)) { return null }
+    var result = {activeElt: active};
+    if (window.getSelection) {
+      var sel = window.getSelection();
+      if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) {
+        result.anchorNode = sel.anchorNode;
+        result.anchorOffset = sel.anchorOffset;
+        result.focusNode = sel.focusNode;
+        result.focusOffset = sel.focusOffset;
+      }
+    }
+    return result
+  }
+
+  function restoreSelection(snapshot) {
+    if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt()) { return }
+    snapshot.activeElt.focus();
+    if (snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) {
+      var sel = window.getSelection(), range$$1 = document.createRange();
+      range$$1.setEnd(snapshot.anchorNode, snapshot.anchorOffset);
+      range$$1.collapse(false);
+      sel.removeAllRanges();
+      sel.addRange(range$$1);
+      sel.extend(snapshot.focusNode, snapshot.focusOffset);
+    }
+  }
+
+  // Does the actual updating of the line display. Bails out
+  // (returning false) when there is nothing to be done and forced is
+  // false.
+  function updateDisplayIfNeeded(cm, update) {
+    var display = cm.display, doc = cm.doc;
+
+    if (update.editorIsHidden) {
+      resetView(cm);
+      return false
+    }
+
+    // Bail out if the visible area is already rendered and nothing changed.
+    if (!update.force &&
+        update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&
+        (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&
+        display.renderedView == display.view && countDirtyView(cm) == 0)
+      { return false }
+
+    if (maybeUpdateLineNumberWidth(cm)) {
+      resetView(cm);
+      update.dims = getDimensions(cm);
+    }
+
+    // Compute a suitable new viewport (from & to)
+    var end = doc.first + doc.size;
+    var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);
+    var to = Math.min(end, update.visible.to + cm.options.viewportMargin);
+    if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); }
+    if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); }
+    if (sawCollapsedSpans) {
+      from = visualLineNo(cm.doc, from);
+      to = visualLineEndNo(cm.doc, to);
+    }
+
+    var different = from != display.viewFrom || to != display.viewTo ||
+      display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth;
+    adjustView(cm, from, to);
+
+    display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));
+    // Position the mover div to align with the current scroll position
+    cm.display.mover.style.top = display.viewOffset + "px";
+
+    var toUpdate = countDirtyView(cm);
+    if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&
+        (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))
+      { return false }
+
+    // For big changes, we hide the enclosing element during the
+    // update, since that speeds up the operations on most browsers.
+    var selSnapshot = selectionSnapshot(cm);
+    if (toUpdate > 4) { display.lineDiv.style.display = "none"; }
+    patchDisplay(cm, display.updateLineNumbers, update.dims);
+    if (toUpdate > 4) { display.lineDiv.style.display = ""; }
+    display.renderedView = display.view;
+    // There might have been a widget with a focused element that got
+    // hidden or updated, if so re-focus it.
+    restoreSelection(selSnapshot);
+
+    // Prevent selection and cursors from interfering with the scroll
+    // width and height.
+    removeChildren(display.cursorDiv);
+    removeChildren(display.selectionDiv);
+    display.gutters.style.height = display.sizer.style.minHeight = 0;
+
+    if (different) {
+      display.lastWrapHeight = update.wrapperHeight;
+      display.lastWrapWidth = update.wrapperWidth;
+      startWorker(cm, 400);
+    }
+
+    display.updateLineNumbers = null;
+
+    return true
+  }
+
+  function postUpdateDisplay(cm, update) {
+    var viewport = update.viewport;
+
+    for (var first = true;; first = false) {
+      if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {
+        // Clip forced viewport to actual scrollable area.
+        if (viewport && viewport.top != null)
+          { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; }
+        // Updated line heights might result in the drawn area not
+        // actually covering the viewport. Keep looping until it does.
+        update.visible = visibleLines(cm.display, cm.doc, viewport);
+        if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)
+          { break }
+      }
+      if (!updateDisplayIfNeeded(cm, update)) { break }
+      updateHeightsInViewport(cm);
+      var barMeasure = measureForScrollbars(cm);
+      updateSelection(cm);
+      updateScrollbars(cm, barMeasure);
+      setDocumentHeight(cm, barMeasure);
+      update.force = false;
+    }
+
+    update.signal(cm, "update", cm);
+    if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {
+      update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo);
+      cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo;
+    }
+  }
+
+  function updateDisplaySimple(cm, viewport) {
+    var update = new DisplayUpdate(cm, viewport);
+    if (updateDisplayIfNeeded(cm, update)) {
+      updateHeightsInViewport(cm);
+      postUpdateDisplay(cm, update);
+      var barMeasure = measureForScrollbars(cm);
+      updateSelection(cm);
+      updateScrollbars(cm, barMeasure);
+      setDocumentHeight(cm, barMeasure);
+      update.finish();
+    }
+  }
+
+  // Sync the actual display DOM structure with display.view, removing
+  // nodes for lines that are no longer in view, and creating the ones
+  // that are not there yet, and updating the ones that are out of
+  // date.
+  function patchDisplay(cm, updateNumbersFrom, dims) {
+    var display = cm.display, lineNumbers = cm.options.lineNumbers;
+    var container = display.lineDiv, cur = container.firstChild;
+
+    function rm(node) {
+      var next = node.nextSibling;
+      // Works around a throw-scroll bug in OS X Webkit
+      if (webkit && mac && cm.display.currentWheelTarget == node)
+        { node.style.display = "none"; }
+      else
+        { node.parentNode.removeChild(node); }
+      return next
+    }
+
+    var view = display.view, lineN = display.viewFrom;
+    // Loop over the elements in the view, syncing cur (the DOM nodes
+    // in display.lineDiv) with the view as we go.
+    for (var i = 0; i < view.length; i++) {
+      var lineView = view[i];
+      if (lineView.hidden) ; else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet
+        var node = buildLineElement(cm, lineView, lineN, dims);
+        container.insertBefore(node, cur);
+      } else { // Already drawn
+        while (cur != lineView.node) { cur = rm(cur); }
+        var updateNumber = lineNumbers && updateNumbersFrom != null &&
+          updateNumbersFrom <= lineN && lineView.lineNumber;
+        if (lineView.changes) {
+          if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false; }
+          updateLineForChanges(cm, lineView, lineN, dims);
+        }
+        if (updateNumber) {
+          removeChildren(lineView.lineNumber);
+          lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));
+        }
+        cur = lineView.node.nextSibling;
+      }
+      lineN += lineView.size;
+    }
+    while (cur) { cur = rm(cur); }
+  }
+
+  function updateGutterSpace(display) {
+    var width = display.gutters.offsetWidth;
+    display.sizer.style.marginLeft = width + "px";
+  }
+
+  function setDocumentHeight(cm, measure) {
+    cm.display.sizer.style.minHeight = measure.docHeight + "px";
+    cm.display.heightForcer.style.top = measure.docHeight + "px";
+    cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px";
+  }
+
+  // Re-align line numbers and gutter marks to compensate for
+  // horizontal scrolling.
+  function alignHorizontally(cm) {
+    var display = cm.display, view = display.view;
+    if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return }
+    var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;
+    var gutterW = display.gutters.offsetWidth, left = comp + "px";
+    for (var i = 0; i < view.length; i++) { if (!view[i].hidden) {
+      if (cm.options.fixedGutter) {
+        if (view[i].gutter)
+          { view[i].gutter.style.left = left; }
+        if (view[i].gutterBackground)
+          { view[i].gutterBackground.style.left = left; }
+      }
+      var align = view[i].alignable;
+      if (align) { for (var j = 0; j < align.length; j++)
+        { align[j].style.left = left; } }
+    } }
+    if (cm.options.fixedGutter)
+      { display.gutters.style.left = (comp + gutterW) + "px"; }
+  }
+
+  // Used to ensure that the line number gutter is still the right
+  // size for the current document size. Returns true when an update
+  // is needed.
+  function maybeUpdateLineNumberWidth(cm) {
+    if (!cm.options.lineNumbers) { return false }
+    var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;
+    if (last.length != display.lineNumChars) {
+      var test = display.measure.appendChild(elt("div", [elt("div", last)],
+                                                 "CodeMirror-linenumber CodeMirror-gutter-elt"));
+      var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
+      display.lineGutter.style.width = "";
+      display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1;
+      display.lineNumWidth = display.lineNumInnerWidth + padding;
+      display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
+      display.lineGutter.style.width = display.lineNumWidth + "px";
+      updateGutterSpace(cm.display);
+      return true
+    }
+    return false
+  }
+
+  function getGutters(gutters, lineNumbers) {
+    var result = [], sawLineNumbers = false;
+    for (var i = 0; i < gutters.length; i++) {
+      var name = gutters[i], style = null;
+      if (typeof name != "string") { style = name.style; name = name.className; }
+      if (name == "CodeMirror-linenumbers") {
+        if (!lineNumbers) { continue }
+        else { sawLineNumbers = true; }
+      }
+      result.push({className: name, style: style});
+    }
+    if (lineNumbers && !sawLineNumbers) { result.push({className: "CodeMirror-linenumbers", style: null}); }
+    return result
+  }
+
+  // Rebuild the gutter elements, ensure the margin to the left of the
+  // code matches their width.
+  function renderGutters(display) {
+    var gutters = display.gutters, specs = display.gutterSpecs;
+    removeChildren(gutters);
+    display.lineGutter = null;
+    for (var i = 0; i < specs.length; ++i) {
+      var ref = specs[i];
+      var className = ref.className;
+      var style = ref.style;
+      var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + className));
+      if (style) { gElt.style.cssText = style; }
+      if (className == "CodeMirror-linenumbers") {
+        display.lineGutter = gElt;
+        gElt.style.width = (display.lineNumWidth || 1) + "px";
+      }
+    }
+    gutters.style.display = specs.length ? "" : "none";
+    updateGutterSpace(display);
+  }
+
+  function updateGutters(cm) {
+    renderGutters(cm.display);
+    regChange(cm);
+    alignHorizontally(cm);
+  }
 
   // The display handles the DOM integration, both for input reading
   // and content drawing. It holds references to DOM nodes and
   // display-related state.
 
-  function Display(place, doc, input) {
+  function Display(place, doc, input, options) {
     var d = this;
     this.input = input;
 
@@ -145,7 +4340,7 b''
     d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler");
     d.gutterFiller.setAttribute("cm-not-content", "true");
     // Will contain the actual code, positioned to cover the viewport.
-    d.lineDiv = elt("div", null, "CodeMirror-code");
+    d.lineDiv = eltP("div", null, "CodeMirror-code");
     // Elements are added to these to represent selection and cursors.
     d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
     d.cursorDiv = elt("div", null, "CodeMirror-cursors");
@@ -154,10 +4349,11 b''
     // When lines outside of the viewport are measured, they are drawn in this.
     d.lineMeasure = elt("div", null, "CodeMirror-measure");
     // Wraps everything that needs to exist inside the vertically-padded coordinate system
-    d.lineSpace = elt("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],
+    d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],
                       null, "position: relative; outline: none");
+    var lines = eltP("div", [d.lineSpace], "CodeMirror-lines");
     // Moved around its parent to cover visible view.
-    d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative");
+    d.mover = elt("div", [lines], null, "position: relative");
     // Set to the height of the document, allowing scrolling.
     d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
     d.sizerWidth = null;
@@ -176,11 +4372,11 b''
 
     // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)
     if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
-    if (!webkit && !(gecko && mobile)) d.scroller.draggable = true;
+    if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; }
 
     if (place) {
-      if (place.appendChild) place.appendChild(d.wrapper);
-      else place(d.wrapper);
+      if (place.appendChild) { place.appendChild(d.wrapper); }
+      else { place(d.wrapper); }
     }
 
     // Current rendered range (may be bigger than the view window).
@@ -228,3738 +4424,12 b''
 
     d.activeTouch = null;
 
+    d.gutterSpecs = getGutters(options.gutters, options.lineNumbers);
+    renderGutters(d);
+
     input.init(d);
   }
 
-  // STATE UPDATES
-
-  // Used to get the editor into a consistent state again when options change.
-
-  function loadMode(cm) {
-    cm.doc.mode = CodeMirror.getMode(cm.options, cm.doc.modeOption);
-    resetModeState(cm);
-  }
-
-  function resetModeState(cm) {
-    cm.doc.iter(function(line) {
-      if (line.stateAfter) line.stateAfter = null;
-      if (line.styles) line.styles = null;
-    });
-    cm.doc.frontier = cm.doc.first;
-    startWorker(cm, 100);
-    cm.state.modeGen++;
-    if (cm.curOp) regChange(cm);
-  }
-
-  function wrappingChanged(cm) {
-    if (cm.options.lineWrapping) {
-      addClass(cm.display.wrapper, "CodeMirror-wrap");
-      cm.display.sizer.style.minWidth = "";
-      cm.display.sizerWidth = null;
-    } else {
-      rmClass(cm.display.wrapper, "CodeMirror-wrap");
-      findMaxLine(cm);
-    }
-    estimateLineHeights(cm);
-    regChange(cm);
-    clearCaches(cm);
-    setTimeout(function(){updateScrollbars(cm);}, 100);
-  }
-
-  // Returns a function that estimates the height of a line, to use as
-  // first approximation until the line becomes visible (and is thus
-  // properly measurable).
-  function estimateHeight(cm) {
-    var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;
-    var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);
-    return function(line) {
-      if (lineIsHidden(cm.doc, line)) return 0;
-
-      var widgetsHeight = 0;
-      if (line.widgets) for (var i = 0; i < line.widgets.length; i++) {
-        if (line.widgets[i].height) widgetsHeight += line.widgets[i].height;
-      }
-
-      if (wrapping)
-        return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th;
-      else
-        return widgetsHeight + th;
-    };
-  }
-
-  function estimateLineHeights(cm) {
-    var doc = cm.doc, est = estimateHeight(cm);
-    doc.iter(function(line) {
-      var estHeight = est(line);
-      if (estHeight != line.height) updateLineHeight(line, estHeight);
-    });
-  }
-
-  function themeChanged(cm) {
-    cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
-      cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
-    clearCaches(cm);
-  }
-
-  function guttersChanged(cm) {
-    updateGutters(cm);
-    regChange(cm);
-    setTimeout(function(){alignHorizontally(cm);}, 20);
-  }
-
-  // Rebuild the gutter elements, ensure the margin to the left of the
-  // code matches their width.
-  function updateGutters(cm) {
-    var gutters = cm.display.gutters, specs = cm.options.gutters;
-    removeChildren(gutters);
-    for (var i = 0; i < specs.length; ++i) {
-      var gutterClass = specs[i];
-      var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass));
-      if (gutterClass == "CodeMirror-linenumbers") {
-        cm.display.lineGutter = gElt;
-        gElt.style.width = (cm.display.lineNumWidth || 1) + "px";
-      }
-    }
-    gutters.style.display = i ? "" : "none";
-    updateGutterSpace(cm);
-  }
-
-  function updateGutterSpace(cm) {
-    var width = cm.display.gutters.offsetWidth;
-    cm.display.sizer.style.marginLeft = width + "px";
-  }
-
-  // Compute the character length of a line, taking into account
-  // collapsed ranges (see markText) that might hide parts, and join
-  // other lines onto it.
-  function lineLength(line) {
-    if (line.height == 0) return 0;
-    var len = line.text.length, merged, cur = line;
-    while (merged = collapsedSpanAtStart(cur)) {
-      var found = merged.find(0, true);
-      cur = found.from.line;
-      len += found.from.ch - found.to.ch;
-    }
-    cur = line;
-    while (merged = collapsedSpanAtEnd(cur)) {
-      var found = merged.find(0, true);
-      len -= cur.text.length - found.from.ch;
-      cur = found.to.line;
-      len += cur.text.length - found.to.ch;
-    }
-    return len;
-  }
-
-  // Find the longest line in the document.
-  function findMaxLine(cm) {
-    var d = cm.display, doc = cm.doc;
-    d.maxLine = getLine(doc, doc.first);
-    d.maxLineLength = lineLength(d.maxLine);
-    d.maxLineChanged = true;
-    doc.iter(function(line) {
-      var len = lineLength(line);
-      if (len > d.maxLineLength) {
-        d.maxLineLength = len;
-        d.maxLine = line;
-      }
-    });
-  }
-
-  // Make sure the gutters options contains the element
-  // "CodeMirror-linenumbers" when the lineNumbers option is true.
-  function setGuttersForLineNumbers(options) {
-    var found = indexOf(options.gutters, "CodeMirror-linenumbers");
-    if (found == -1 && options.lineNumbers) {
-      options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]);
-    } else if (found > -1 && !options.lineNumbers) {
-      options.gutters = options.gutters.slice(0);
-      options.gutters.splice(found, 1);
-    }
-  }
-
-  // SCROLLBARS
-
-  // Prepare DOM reads needed to update the scrollbars. Done in one
-  // shot to minimize update/measure roundtrips.
-  function measureForScrollbars(cm) {
-    var d = cm.display, gutterW = d.gutters.offsetWidth;
-    var docH = Math.round(cm.doc.height + paddingVert(cm.display));
-    return {
-      clientHeight: d.scroller.clientHeight,
-      viewHeight: d.wrapper.clientHeight,
-      scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,
-      viewWidth: d.wrapper.clientWidth,
-      barLeft: cm.options.fixedGutter ? gutterW : 0,
-      docHeight: docH,
-      scrollHeight: docH + scrollGap(cm) + d.barHeight,
-      nativeBarWidth: d.nativeBarWidth,
-      gutterWidth: gutterW
-    };
-  }
-
-  function NativeScrollbars(place, scroll, cm) {
-    this.cm = cm;
-    var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar");
-    var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar");
-    place(vert); place(horiz);
-
-    on(vert, "scroll", function() {
-      if (vert.clientHeight) scroll(vert.scrollTop, "vertical");
-    });
-    on(horiz, "scroll", function() {
-      if (horiz.clientWidth) scroll(horiz.scrollLeft, "horizontal");
-    });
-
-    this.checkedZeroWidth = false;
-    // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
-    if (ie && ie_version < 8) this.horiz.style.minHeight = this.vert.style.minWidth = "18px";
-  }
-
-  NativeScrollbars.prototype = copyObj({
-    update: function(measure) {
-      var needsH = measure.scrollWidth > measure.clientWidth + 1;
-      var needsV = measure.scrollHeight > measure.clientHeight + 1;
-      var sWidth = measure.nativeBarWidth;
-
-      if (needsV) {
-        this.vert.style.display = "block";
-        this.vert.style.bottom = needsH ? sWidth + "px" : "0";
-        var totalHeight = measure.viewHeight - (needsH ? sWidth : 0);
-        // A bug in IE8 can cause this value to be negative, so guard it.
-        this.vert.firstChild.style.height =
-          Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px";
-      } else {
-        this.vert.style.display = "";
-        this.vert.firstChild.style.height = "0";
-      }
-
-      if (needsH) {
-        this.horiz.style.display = "block";
-        this.horiz.style.right = needsV ? sWidth + "px" : "0";
-        this.horiz.style.left = measure.barLeft + "px";
-        var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0);
-        this.horiz.firstChild.style.width =
-          (measure.scrollWidth - measure.clientWidth + totalWidth) + "px";
-      } else {
-        this.horiz.style.display = "";
-        this.horiz.firstChild.style.width = "0";
-      }
-
-      if (!this.checkedZeroWidth && measure.clientHeight > 0) {
-        if (sWidth == 0) this.zeroWidthHack();
-        this.checkedZeroWidth = true;
-      }
-
-      return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0};
-    },
-    setScrollLeft: function(pos) {
-      if (this.horiz.scrollLeft != pos) this.horiz.scrollLeft = pos;
-      if (this.disableHoriz) this.enableZeroWidthBar(this.horiz, this.disableHoriz);
-    },
-    setScrollTop: function(pos) {
-      if (this.vert.scrollTop != pos) this.vert.scrollTop = pos;
-      if (this.disableVert) this.enableZeroWidthBar(this.vert, this.disableVert);
-    },
-    zeroWidthHack: function() {
-      var w = mac && !mac_geMountainLion ? "12px" : "18px";
-      this.horiz.style.height = this.vert.style.width = w;
-      this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none";
-      this.disableHoriz = new Delayed;
-      this.disableVert = new Delayed;
-    },
-    enableZeroWidthBar: function(bar, delay) {
-      bar.style.pointerEvents = "auto";
-      function maybeDisable() {
-        // To find out whether the scrollbar is still visible, we
-        // check whether the element under the pixel in the bottom
-        // left corner of the scrollbar box is the scrollbar box
-        // itself (when the bar is still visible) or its filler child
-        // (when the bar is hidden). If it is still visible, we keep
-        // it enabled, if it's hidden, we disable pointer events.
-        var box = bar.getBoundingClientRect();
-        var elt = document.elementFromPoint(box.left + 1, box.bottom - 1);
-        if (elt != bar) bar.style.pointerEvents = "none";
-        else delay.set(1000, maybeDisable);
-      }
-      delay.set(1000, maybeDisable);
-    },
-    clear: function() {
-      var parent = this.horiz.parentNode;
-      parent.removeChild(this.horiz);
-      parent.removeChild(this.vert);
-    }
-  }, NativeScrollbars.prototype);
-
-  function NullScrollbars() {}
-
-  NullScrollbars.prototype = copyObj({
-    update: function() { return {bottom: 0, right: 0}; },
-    setScrollLeft: function() {},
-    setScrollTop: function() {},
-    clear: function() {}
-  }, NullScrollbars.prototype);
-
-  CodeMirror.scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars};
-
-  function initScrollbars(cm) {
-    if (cm.display.scrollbars) {
-      cm.display.scrollbars.clear();
-      if (cm.display.scrollbars.addClass)
-        rmClass(cm.display.wrapper, cm.display.scrollbars.addClass);
-    }
-
-    cm.display.scrollbars = new CodeMirror.scrollbarModel[cm.options.scrollbarStyle](function(node) {
-      cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller);
-      // Prevent clicks in the scrollbars from killing focus
-      on(node, "mousedown", function() {
-        if (cm.state.focused) setTimeout(function() { cm.display.input.focus(); }, 0);
-      });
-      node.setAttribute("cm-not-content", "true");
-    }, function(pos, axis) {
-      if (axis == "horizontal") setScrollLeft(cm, pos);
-      else setScrollTop(cm, pos);
-    }, cm);
-    if (cm.display.scrollbars.addClass)
-      addClass(cm.display.wrapper, cm.display.scrollbars.addClass);
-  }
-
-  function updateScrollbars(cm, measure) {
-    if (!measure) measure = measureForScrollbars(cm);
-    var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight;
-    updateScrollbarsInner(cm, measure);
-    for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {
-      if (startWidth != cm.display.barWidth && cm.options.lineWrapping)
-        updateHeightsInViewport(cm);
-      updateScrollbarsInner(cm, measureForScrollbars(cm));
-      startWidth = cm.display.barWidth; startHeight = cm.display.barHeight;
-    }
-  }
-
-  // Re-synchronize the fake scrollbars with the actual size of the
-  // content.
-  function updateScrollbarsInner(cm, measure) {
-    var d = cm.display;
-    var sizes = d.scrollbars.update(measure);
-
-    d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px";
-    d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px";
-
-    if (sizes.right && sizes.bottom) {
-      d.scrollbarFiller.style.display = "block";
-      d.scrollbarFiller.style.height = sizes.bottom + "px";
-      d.scrollbarFiller.style.width = sizes.right + "px";
-    } else d.scrollbarFiller.style.display = "";
-    if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
-      d.gutterFiller.style.display = "block";
-      d.gutterFiller.style.height = sizes.bottom + "px";
-      d.gutterFiller.style.width = measure.gutterWidth + "px";
-    } else d.gutterFiller.style.display = "";
-  }
-
-  // Compute the lines that are visible in a given viewport (defaults
-  // the the current scroll position). viewport may contain top,
-  // height, and ensure (see op.scrollToPos) properties.
-  function visibleLines(display, doc, viewport) {
-    var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;
-    top = Math.floor(top - paddingTop(display));
-    var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;
-
-    var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);
-    // Ensure is a {from: {line, ch}, to: {line, ch}} object, and
-    // forces those lines into the viewport (if possible).
-    if (viewport && viewport.ensure) {
-      var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;
-      if (ensureFrom < from) {
-        from = ensureFrom;
-        to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight);
-      } else if (Math.min(ensureTo, doc.lastLine()) >= to) {
-        from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight);
-        to = ensureTo;
-      }
-    }
-    return {from: from, to: Math.max(to, from + 1)};
-  }
-
-  // LINE NUMBERS
-
-  // Re-align line numbers and gutter marks to compensate for
-  // horizontal scrolling.
-  function alignHorizontally(cm) {
-    var display = cm.display, view = display.view;
-    if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) return;
-    var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;
-    var gutterW = display.gutters.offsetWidth, left = comp + "px";
-    for (var i = 0; i < view.length; i++) if (!view[i].hidden) {
-      if (cm.options.fixedGutter && view[i].gutter)
-        view[i].gutter.style.left = left;
-      var align = view[i].alignable;
-      if (align) for (var j = 0; j < align.length; j++)
-        align[j].style.left = left;
-    }
-    if (cm.options.fixedGutter)
-      display.gutters.style.left = (comp + gutterW) + "px";
-  }
-
-  // Used to ensure that the line number gutter is still the right
-  // size for the current document size. Returns true when an update
-  // is needed.
-  function maybeUpdateLineNumberWidth(cm) {
-    if (!cm.options.lineNumbers) return false;
-    var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;
-    if (last.length != display.lineNumChars) {
-      var test = display.measure.appendChild(elt("div", [elt("div", last)],
-                                                 "CodeMirror-linenumber CodeMirror-gutter-elt"));
-      var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
-      display.lineGutter.style.width = "";
-      display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1;
-      display.lineNumWidth = display.lineNumInnerWidth + padding;
-      display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
-      display.lineGutter.style.width = display.lineNumWidth + "px";
-      updateGutterSpace(cm);
-      return true;
-    }
-    return false;
-  }
-
-  function lineNumberFor(options, i) {
-    return String(options.lineNumberFormatter(i + options.firstLineNumber));
-  }
-
-  // Computes display.scroller.scrollLeft + display.gutters.offsetWidth,
-  // but using getBoundingClientRect to get a sub-pixel-accurate
-  // result.
-  function compensateForHScroll(display) {
-    return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left;
-  }
-
-  // DISPLAY DRAWING
-
-  function DisplayUpdate(cm, viewport, force) {
-    var display = cm.display;
-
-    this.viewport = viewport;
-    // Store some values that we'll need later (but don't want to force a relayout for)
-    this.visible = visibleLines(display, cm.doc, viewport);
-    this.editorIsHidden = !display.wrapper.offsetWidth;
-    this.wrapperHeight = display.wrapper.clientHeight;
-    this.wrapperWidth = display.wrapper.clientWidth;
-    this.oldDisplayWidth = displayWidth(cm);
-    this.force = force;
-    this.dims = getDimensions(cm);
-    this.events = [];
-  }
-
-  DisplayUpdate.prototype.signal = function(emitter, type) {
-    if (hasHandler(emitter, type))
-      this.events.push(arguments);
-  };
-  DisplayUpdate.prototype.finish = function() {
-    for (var i = 0; i < this.events.length; i++)
-      signal.apply(null, this.events[i]);
-  };
-
-  function maybeClipScrollbars(cm) {
-    var display = cm.display;
-    if (!display.scrollbarsClipped && display.scroller.offsetWidth) {
-      display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth;
-      display.heightForcer.style.height = scrollGap(cm) + "px";
-      display.sizer.style.marginBottom = -display.nativeBarWidth + "px";
-      display.sizer.style.borderRightWidth = scrollGap(cm) + "px";
-      display.scrollbarsClipped = true;
-    }
-  }
-
-  // Does the actual updating of the line display. Bails out
-  // (returning false) when there is nothing to be done and forced is
-  // false.
-  function updateDisplayIfNeeded(cm, update) {
-    var display = cm.display, doc = cm.doc;
-
-    if (update.editorIsHidden) {
-      resetView(cm);
-      return false;
-    }
-
-    // Bail out if the visible area is already rendered and nothing changed.
-    if (!update.force &&
-        update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&
-        (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&
-        display.renderedView == display.view && countDirtyView(cm) == 0)
-      return false;
-
-    if (maybeUpdateLineNumberWidth(cm)) {
-      resetView(cm);
-      update.dims = getDimensions(cm);
-    }
-
-    // Compute a suitable new viewport (from & to)
-    var end = doc.first + doc.size;
-    var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);
-    var to = Math.min(end, update.visible.to + cm.options.viewportMargin);
-    if (display.viewFrom < from && from - display.viewFrom < 20) from = Math.max(doc.first, display.viewFrom);
-    if (display.viewTo > to && display.viewTo - to < 20) to = Math.min(end, display.viewTo);
-    if (sawCollapsedSpans) {
-      from = visualLineNo(cm.doc, from);
-      to = visualLineEndNo(cm.doc, to);
-    }
-
-    var different = from != display.viewFrom || to != display.viewTo ||
-      display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth;
-    adjustView(cm, from, to);
-
-    display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));
-    // Position the mover div to align with the current scroll position
-    cm.display.mover.style.top = display.viewOffset + "px";
-
-    var toUpdate = countDirtyView(cm);
-    if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&
-        (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))
-      return false;
-
-    // For big changes, we hide the enclosing element during the
-    // update, since that speeds up the operations on most browsers.
-    var focused = activeElt();
-    if (toUpdate > 4) display.lineDiv.style.display = "none";
-    patchDisplay(cm, display.updateLineNumbers, update.dims);
-    if (toUpdate > 4) display.lineDiv.style.display = "";
-    display.renderedView = display.view;
-    // There might have been a widget with a focused element that got
-    // hidden or updated, if so re-focus it.
-    if (focused && activeElt() != focused && focused.offsetHeight) focused.focus();
-
-    // Prevent selection and cursors from interfering with the scroll
-    // width and height.
-    removeChildren(display.cursorDiv);
-    removeChildren(display.selectionDiv);
-    display.gutters.style.height = display.sizer.style.minHeight = 0;
-
-    if (different) {
-      display.lastWrapHeight = update.wrapperHeight;
-      display.lastWrapWidth = update.wrapperWidth;
-      startWorker(cm, 400);
-    }
-
-    display.updateLineNumbers = null;
-
-    return true;
-  }
-
-  function postUpdateDisplay(cm, update) {
-    var viewport = update.viewport;
-    for (var first = true;; first = false) {
-      if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {
-        // Clip forced viewport to actual scrollable area.
-        if (viewport && viewport.top != null)
-          viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)};
-        // Updated line heights might result in the drawn area not
-        // actually covering the viewport. Keep looping until it does.
-        update.visible = visibleLines(cm.display, cm.doc, viewport);
-        if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)
-          break;
-      }
-      if (!updateDisplayIfNeeded(cm, update)) break;
-      updateHeightsInViewport(cm);
-      var barMeasure = measureForScrollbars(cm);
-      updateSelection(cm);
-      setDocumentHeight(cm, barMeasure);
-      updateScrollbars(cm, barMeasure);
-    }
-
-    update.signal(cm, "update", cm);
-    if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {
-      update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo);
-      cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo;
-    }
-  }
-
-  function updateDisplaySimple(cm, viewport) {
-    var update = new DisplayUpdate(cm, viewport);
-    if (updateDisplayIfNeeded(cm, update)) {
-      updateHeightsInViewport(cm);
-      postUpdateDisplay(cm, update);
-      var barMeasure = measureForScrollbars(cm);
-      updateSelection(cm);
-      setDocumentHeight(cm, barMeasure);
-      updateScrollbars(cm, barMeasure);
-      update.finish();
-    }
-  }
-
-  function setDocumentHeight(cm, measure) {
-    cm.display.sizer.style.minHeight = measure.docHeight + "px";
-    var total = measure.docHeight + cm.display.barHeight;
-    cm.display.heightForcer.style.top = total + "px";
-    cm.display.gutters.style.height = Math.max(total + scrollGap(cm), measure.clientHeight) + "px";
-  }
-
-  // Read the actual heights of the rendered lines, and update their
-  // stored heights to match.
-  function updateHeightsInViewport(cm) {
-    var display = cm.display;
-    var prevBottom = display.lineDiv.offsetTop;
-    for (var i = 0; i < display.view.length; i++) {
-      var cur = display.view[i], height;
-      if (cur.hidden) continue;
-      if (ie && ie_version < 8) {
-        var bot = cur.node.offsetTop + cur.node.offsetHeight;
-        height = bot - prevBottom;
-        prevBottom = bot;
-      } else {
-        var box = cur.node.getBoundingClientRect();
-        height = box.bottom - box.top;
-      }
-      var diff = cur.line.height - height;
-      if (height < 2) height = textHeight(display);
-      if (diff > .001 || diff < -.001) {
-        updateLineHeight(cur.line, height);
-        updateWidgetHeight(cur.line);
-        if (cur.rest) for (var j = 0; j < cur.rest.length; j++)
-          updateWidgetHeight(cur.rest[j]);
-      }
-    }
-  }
-
-  // Read and store the height of line widgets associated with the
-  // given line.
-  function updateWidgetHeight(line) {
-    if (line.widgets) for (var i = 0; i < line.widgets.length; ++i)
-      line.widgets[i].height = line.widgets[i].node.parentNode.offsetHeight;
-  }
-
-  // Do a bulk-read of the DOM positions and sizes needed to draw the
-  // view, so that we don't interleave reading and writing to the DOM.
-  function getDimensions(cm) {
-    var d = cm.display, left = {}, width = {};
-    var gutterLeft = d.gutters.clientLeft;
-    for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
-      left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft;
-      width[cm.options.gutters[i]] = n.clientWidth;
-    }
-    return {fixedPos: compensateForHScroll(d),
-            gutterTotalWidth: d.gutters.offsetWidth,
-            gutterLeft: left,
-            gutterWidth: width,
-            wrapperWidth: d.wrapper.clientWidth};
-  }
-
-  // Sync the actual display DOM structure with display.view, removing
-  // nodes for lines that are no longer in view, and creating the ones
-  // that are not there yet, and updating the ones that are out of
-  // date.
-  function patchDisplay(cm, updateNumbersFrom, dims) {
-    var display = cm.display, lineNumbers = cm.options.lineNumbers;
-    var container = display.lineDiv, cur = container.firstChild;
-
-    function rm(node) {
-      var next = node.nextSibling;
-      // Works around a throw-scroll bug in OS X Webkit
-      if (webkit && mac && cm.display.currentWheelTarget == node)
-        node.style.display = "none";
-      else
-        node.parentNode.removeChild(node);
-      return next;
-    }
-
-    var view = display.view, lineN = display.viewFrom;
-    // Loop over the elements in the view, syncing cur (the DOM nodes
-    // in display.lineDiv) with the view as we go.
-    for (var i = 0; i < view.length; i++) {
-      var lineView = view[i];
-      if (lineView.hidden) {
-      } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet
-        var node = buildLineElement(cm, lineView, lineN, dims);
-        container.insertBefore(node, cur);
-      } else { // Already drawn
-        while (cur != lineView.node) cur = rm(cur);
-        var updateNumber = lineNumbers && updateNumbersFrom != null &&
-          updateNumbersFrom <= lineN && lineView.lineNumber;
-        if (lineView.changes) {
-          if (indexOf(lineView.changes, "gutter") > -1) updateNumber = false;
-          updateLineForChanges(cm, lineView, lineN, dims);
-        }
-        if (updateNumber) {
-          removeChildren(lineView.lineNumber);
-          lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));
-        }
-        cur = lineView.node.nextSibling;
-      }
-      lineN += lineView.size;
-    }
-    while (cur) cur = rm(cur);
-  }
-
-  // When an aspect of a line changes, a string is added to
-  // lineView.changes. This updates the relevant part of the line's
-  // DOM structure.
-  function updateLineForChanges(cm, lineView, lineN, dims) {
-    for (var j = 0; j < lineView.changes.length; j++) {
-      var type = lineView.changes[j];
-      if (type == "text") updateLineText(cm, lineView);
-      else if (type == "gutter") updateLineGutter(cm, lineView, lineN, dims);
-      else if (type == "class") updateLineClasses(lineView);
-      else if (type == "widget") updateLineWidgets(cm, lineView, dims);
-    }
-    lineView.changes = null;
-  }
-
-  // Lines with gutter elements, widgets or a background class need to
-  // be wrapped, and have the extra elements added to the wrapper div
-  function ensureLineWrapped(lineView) {
-    if (lineView.node == lineView.text) {
-      lineView.node = elt("div", null, null, "position: relative");
-      if (lineView.text.parentNode)
-        lineView.text.parentNode.replaceChild(lineView.node, lineView.text);
-      lineView.node.appendChild(lineView.text);
-      if (ie && ie_version < 8) lineView.node.style.zIndex = 2;
-    }
-    return lineView.node;
-  }
-
-  function updateLineBackground(lineView) {
-    var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass;
-    if (cls) cls += " CodeMirror-linebackground";
-    if (lineView.background) {
-      if (cls) lineView.background.className = cls;
-      else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }
-    } else if (cls) {
-      var wrap = ensureLineWrapped(lineView);
-      lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild);
-    }
-  }
-
-  // Wrapper around buildLineContent which will reuse the structure
-  // in display.externalMeasured when possible.
-  function getLineContent(cm, lineView) {
-    var ext = cm.display.externalMeasured;
-    if (ext && ext.line == lineView.line) {
-      cm.display.externalMeasured = null;
-      lineView.measure = ext.measure;
-      return ext.built;
-    }
-    return buildLineContent(cm, lineView);
-  }
-
-  // Redraw the line's text. Interacts with the background and text
-  // classes because the mode may output tokens that influence these
-  // classes.
-  function updateLineText(cm, lineView) {
-    var cls = lineView.text.className;
-    var built = getLineContent(cm, lineView);
-    if (lineView.text == lineView.node) lineView.node = built.pre;
-    lineView.text.parentNode.replaceChild(built.pre, lineView.text);
-    lineView.text = built.pre;
-    if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {
-      lineView.bgClass = built.bgClass;
-      lineView.textClass = built.textClass;
-      updateLineClasses(lineView);
-    } else if (cls) {
-      lineView.text.className = cls;
-    }
-  }
-
-  function updateLineClasses(lineView) {
-    updateLineBackground(lineView);
-    if (lineView.line.wrapClass)
-      ensureLineWrapped(lineView).className = lineView.line.wrapClass;
-    else if (lineView.node != lineView.text)
-      lineView.node.className = "";
-    var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass;
-    lineView.text.className = textClass || "";
-  }
-
-  function updateLineGutter(cm, lineView, lineN, dims) {
-    if (lineView.gutter) {
-      lineView.node.removeChild(lineView.gutter);
-      lineView.gutter = null;
-    }
-    if (lineView.gutterBackground) {
-      lineView.node.removeChild(lineView.gutterBackground);
-      lineView.gutterBackground = null;
-    }
-    if (lineView.line.gutterClass) {
-      var wrap = ensureLineWrapped(lineView);
-      lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass,
-                                      "left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) +
-                                      "px; width: " + dims.gutterTotalWidth + "px");
-      wrap.insertBefore(lineView.gutterBackground, lineView.text);
-    }
-    var markers = lineView.line.gutterMarkers;
-    if (cm.options.lineNumbers || markers) {
-      var wrap = ensureLineWrapped(lineView);
-      var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", "left: " +
-                                             (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px");
-      cm.display.input.setUneditable(gutterWrap);
-      wrap.insertBefore(gutterWrap, lineView.text);
-      if (lineView.line.gutterClass)
-        gutterWrap.className += " " + lineView.line.gutterClass;
-      if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
-        lineView.lineNumber = gutterWrap.appendChild(
-          elt("div", lineNumberFor(cm.options, lineN),
-              "CodeMirror-linenumber CodeMirror-gutter-elt",
-              "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: "
-              + cm.display.lineNumInnerWidth + "px"));
-      if (markers) for (var k = 0; k < cm.options.gutters.length; ++k) {
-        var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id];
-        if (found)
-          gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " +
-                                     dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px"));
-      }
-    }
-  }
-
-  function updateLineWidgets(cm, lineView, dims) {
-    if (lineView.alignable) lineView.alignable = null;
-    for (var node = lineView.node.firstChild, next; node; node = next) {
-      var next = node.nextSibling;
-      if (node.className == "CodeMirror-linewidget")
-        lineView.node.removeChild(node);
-    }
-    insertLineWidgets(cm, lineView, dims);
-  }
-
-  // Build a line's DOM representation from scratch
-  function buildLineElement(cm, lineView, lineN, dims) {
-    var built = getLineContent(cm, lineView);
-    lineView.text = lineView.node = built.pre;
-    if (built.bgClass) lineView.bgClass = built.bgClass;
-    if (built.textClass) lineView.textClass = built.textClass;
-
-    updateLineClasses(lineView);
-    updateLineGutter(cm, lineView, lineN, dims);
-    insertLineWidgets(cm, lineView, dims);
-    return lineView.node;
-  }
-
-  // A lineView may contain multiple logical lines (when merged by
-  // collapsed spans). The widgets for all of them need to be drawn.
-  function insertLineWidgets(cm, lineView, dims) {
-    insertLineWidgetsFor(cm, lineView.line, lineView, dims, true);
-    if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++)
-      insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false);
-  }
-
-  function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {
-    if (!line.widgets) return;
-    var wrap = ensureLineWrapped(lineView);
-    for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
-      var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");
-      if (!widget.handleMouseEvents) node.setAttribute("cm-ignore-events", "true");
-      positionLineWidget(widget, node, lineView, dims);
-      cm.display.input.setUneditable(node);
-      if (allowAbove && widget.above)
-        wrap.insertBefore(node, lineView.gutter || lineView.text);
-      else
-        wrap.appendChild(node);
-      signalLater(widget, "redraw");
-    }
-  }
-
-  function positionLineWidget(widget, node, lineView, dims) {
-    if (widget.noHScroll) {
-      (lineView.alignable || (lineView.alignable = [])).push(node);
-      var width = dims.wrapperWidth;
-      node.style.left = dims.fixedPos + "px";
-      if (!widget.coverGutter) {
-        width -= dims.gutterTotalWidth;
-        node.style.paddingLeft = dims.gutterTotalWidth + "px";
-      }
-      node.style.width = width + "px";
-    }
-    if (widget.coverGutter) {
-      node.style.zIndex = 5;
-      node.style.position = "relative";
-      if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px";
-    }
-  }
-
-  // POSITION OBJECT
-
-  // A Pos instance represents a position within the text.
-  var Pos = CodeMirror.Pos = function(line, ch) {
-    if (!(this instanceof Pos)) return new Pos(line, ch);
-    this.line = line; this.ch = ch;
-  };
-
-  // Compare two positions, return 0 if they are the same, a negative
-  // number when a is less, and a positive number otherwise.
-  var cmp = CodeMirror.cmpPos = function(a, b) { return a.line - b.line || a.ch - b.ch; };
-
-  function copyPos(x) {return Pos(x.line, x.ch);}
-  function maxPos(a, b) { return cmp(a, b) < 0 ? b : a; }
-  function minPos(a, b) { return cmp(a, b) < 0 ? a : b; }
-
-  // INPUT HANDLING
-
-  function ensureFocus(cm) {
-    if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); }
-  }
-
-  // This will be set to an array of strings when copying, so that,
-  // when pasting, we know what kind of selections the copied text
-  // was made out of.
-  var lastCopied = null;
-
-  function applyTextInput(cm, inserted, deleted, sel, origin) {
-    var doc = cm.doc;
-    cm.display.shift = false;
-    if (!sel) sel = doc.sel;
-
-    var paste = cm.state.pasteIncoming || origin == "paste";
-    var textLines = doc.splitLines(inserted), multiPaste = null;
-    // When pasing N lines into N selections, insert one line per selection
-    if (paste && sel.ranges.length > 1) {
-      if (lastCopied && lastCopied.join("\n") == inserted) {
-        if (sel.ranges.length % lastCopied.length == 0) {
-          multiPaste = [];
-          for (var i = 0; i < lastCopied.length; i++)
-            multiPaste.push(doc.splitLines(lastCopied[i]));
-        }
-      } else if (textLines.length == sel.ranges.length) {
-        multiPaste = map(textLines, function(l) { return [l]; });
-      }
-    }
-
-    // Normal behavior is to insert the new text into every selection
-    for (var i = sel.ranges.length - 1; i >= 0; i--) {
-      var range = sel.ranges[i];
-      var from = range.from(), to = range.to();
-      if (range.empty()) {
-        if (deleted && deleted > 0) // Handle deletion
-          from = Pos(from.line, from.ch - deleted);
-        else if (cm.state.overwrite && !paste) // Handle overwrite
-          to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length));
-      }
-      var updateInput = cm.curOp.updateInput;
-      var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i % multiPaste.length] : textLines,
-                         origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")};
-      makeChange(cm.doc, changeEvent);
-      signalLater(cm, "inputRead", cm, changeEvent);
-    }
-    if (inserted && !paste)
-      triggerElectric(cm, inserted);
-
-    ensureCursorVisible(cm);
-    cm.curOp.updateInput = updateInput;
-    cm.curOp.typing = true;
-    cm.state.pasteIncoming = cm.state.cutIncoming = false;
-  }
-
-  function handlePaste(e, cm) {
-    var pasted = e.clipboardData && e.clipboardData.getData("text/plain");
-    if (pasted) {
-      e.preventDefault();
-      if (!cm.isReadOnly() && !cm.options.disableInput)
-        runInOp(cm, function() { applyTextInput(cm, pasted, 0, null, "paste"); });
-      return true;
-    }
-  }
-
-  function triggerElectric(cm, inserted) {
-    // When an 'electric' character is inserted, immediately trigger a reindent
-    if (!cm.options.electricChars || !cm.options.smartIndent) return;
-    var sel = cm.doc.sel;
-
-    for (var i = sel.ranges.length - 1; i >= 0; i--) {
-      var range = sel.ranges[i];
-      if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) continue;
-      var mode = cm.getModeAt(range.head);
-      var indented = false;
-      if (mode.electricChars) {
-        for (var j = 0; j < mode.electricChars.length; j++)
-          if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
-            indented = indentLine(cm, range.head.line, "smart");
-            break;
-          }
-      } else if (mode.electricInput) {
-        if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch)))
-          indented = indentLine(cm, range.head.line, "smart");
-      }
-      if (indented) signalLater(cm, "electricInput", cm, range.head.line);
-    }
-  }
-
-  function copyableRanges(cm) {
-    var text = [], ranges = [];
-    for (var i = 0; i < cm.doc.sel.ranges.length; i++) {
-      var line = cm.doc.sel.ranges[i].head.line;
-      var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};
-      ranges.push(lineRange);
-      text.push(cm.getRange(lineRange.anchor, lineRange.head));
-    }
-    return {text: text, ranges: ranges};
-  }
-
-  function disableBrowserMagic(field) {
-    field.setAttribute("autocorrect", "off");
-    field.setAttribute("autocapitalize", "off");
-    field.setAttribute("spellcheck", "false");
-  }
-
-  // TEXTAREA INPUT STYLE
-
-  function TextareaInput(cm) {
-    this.cm = cm;
-    // See input.poll and input.reset
-    this.prevInput = "";
-
-    // Flag that indicates whether we expect input to appear real soon
-    // now (after some event like 'keypress' or 'input') and are
-    // polling intensively.
-    this.pollingFast = false;
-    // Self-resetting timeout for the poller
-    this.polling = new Delayed();
-    // Tracks when input.reset has punted to just putting a short
-    // string into the textarea instead of the full selection.
-    this.inaccurateSelection = false;
-    // Used to work around IE issue with selection being forgotten when focus moves away from textarea
-    this.hasSelection = false;
-    this.composing = null;
-  };
-
-  function hiddenTextarea() {
-    var te = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none");
-    var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
-    // The textarea is kept positioned near the cursor to prevent the
-    // fact that it'll be scrolled into view on input from scrolling
-    // our fake cursor out of view. On webkit, when wrap=off, paste is
-    // very slow. So make the area wide instead.
-    if (webkit) te.style.width = "1000px";
-    else te.setAttribute("wrap", "off");
-    // If border: 0; -- iOS fails to open keyboard (issue #1287)
-    if (ios) te.style.border = "1px solid black";
-    disableBrowserMagic(te);
-    return div;
-  }
-
-  TextareaInput.prototype = copyObj({
-    init: function(display) {
-      var input = this, cm = this.cm;
-
-      // Wraps and hides input textarea
-      var div = this.wrapper = hiddenTextarea();
-      // The semihidden textarea that is focused when the editor is
-      // focused, and receives input.
-      var te = this.textarea = div.firstChild;
-      display.wrapper.insertBefore(div, display.wrapper.firstChild);
-
-      // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore)
-      if (ios) te.style.width = "0px";
-
-      on(te, "input", function() {
-        if (ie && ie_version >= 9 && input.hasSelection) input.hasSelection = null;
-        input.poll();
-      });
-
-      on(te, "paste", function(e) {
-        if (signalDOMEvent(cm, e) || handlePaste(e, cm)) return
-
-        cm.state.pasteIncoming = true;
-        input.fastPoll();
-      });
-
-      function prepareCopyCut(e) {
-        if (signalDOMEvent(cm, e)) return
-        if (cm.somethingSelected()) {
-          lastCopied = cm.getSelections();
-          if (input.inaccurateSelection) {
-            input.prevInput = "";
-            input.inaccurateSelection = false;
-            te.value = lastCopied.join("\n");
-            selectInput(te);
-          }
-        } else if (!cm.options.lineWiseCopyCut) {
-          return;
-        } else {
-          var ranges = copyableRanges(cm);
-          lastCopied = ranges.text;
-          if (e.type == "cut") {
-            cm.setSelections(ranges.ranges, null, sel_dontScroll);
-          } else {
-            input.prevInput = "";
-            te.value = ranges.text.join("\n");
-            selectInput(te);
-          }
-        }
-        if (e.type == "cut") cm.state.cutIncoming = true;
-      }
-      on(te, "cut", prepareCopyCut);
-      on(te, "copy", prepareCopyCut);
-
-      on(display.scroller, "paste", function(e) {
-        if (eventInWidget(display, e) || signalDOMEvent(cm, e)) return;
-        cm.state.pasteIncoming = true;
-        input.focus();
-      });
-
-      // Prevent normal selection in the editor (we handle our own)
-      on(display.lineSpace, "selectstart", function(e) {
-        if (!eventInWidget(display, e)) e_preventDefault(e);
-      });
-
-      on(te, "compositionstart", function() {
-        var start = cm.getCursor("from");
-        if (input.composing) input.composing.range.clear()
-        input.composing = {
-          start: start,
-          range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"})
-        };
-      });
-      on(te, "compositionend", function() {
-        if (input.composing) {
-          input.poll();
-          input.composing.range.clear();
-          input.composing = null;
-        }
-      });
-    },
-
-    prepareSelection: function() {
-      // Redraw the selection and/or cursor
-      var cm = this.cm, display = cm.display, doc = cm.doc;
-      var result = prepareSelection(cm);
-
-      // Move the hidden textarea near the cursor to prevent scrolling artifacts
-      if (cm.options.moveInputWithCursor) {
-        var headPos = cursorCoords(cm, doc.sel.primary().head, "div");
-        var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
-        result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
-                                            headPos.top + lineOff.top - wrapOff.top));
-        result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
-                                             headPos.left + lineOff.left - wrapOff.left));
-      }
-
-      return result;
-    },
-
-    showSelection: function(drawn) {
-      var cm = this.cm, display = cm.display;
-      removeChildrenAndAdd(display.cursorDiv, drawn.cursors);
-      removeChildrenAndAdd(display.selectionDiv, drawn.selection);
-      if (drawn.teTop != null) {
-        this.wrapper.style.top = drawn.teTop + "px";
-        this.wrapper.style.left = drawn.teLeft + "px";
-      }
-    },
-
-    // Reset the input to correspond to the selection (or to be empty,
-    // when not typing and nothing is selected)
-    reset: function(typing) {
-      if (this.contextMenuPending) return;
-      var minimal, selected, cm = this.cm, doc = cm.doc;
-      if (cm.somethingSelected()) {
-        this.prevInput = "";
-        var range = doc.sel.primary();
-        minimal = hasCopyEvent &&
-          (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000);
-        var content = minimal ? "-" : selected || cm.getSelection();
-        this.textarea.value = content;
-        if (cm.state.focused) selectInput(this.textarea);
-        if (ie && ie_version >= 9) this.hasSelection = content;
-      } else if (!typing) {
-        this.prevInput = this.textarea.value = "";
-        if (ie && ie_version >= 9) this.hasSelection = null;
-      }
-      this.inaccurateSelection = minimal;
-    },
-
-    getField: function() { return this.textarea; },
-
-    supportsTouch: function() { return false; },
-
-    focus: function() {
-      if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) {
-        try { this.textarea.focus(); }
-        catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM
-      }
-    },
-
-    blur: function() { this.textarea.blur(); },
-
-    resetPosition: function() {
-      this.wrapper.style.top = this.wrapper.style.left = 0;
-    },
-
-    receivedFocus: function() { this.slowPoll(); },
-
-    // Poll for input changes, using the normal rate of polling. This
-    // runs as long as the editor is focused.
-    slowPoll: function() {
-      var input = this;
-      if (input.pollingFast) return;
-      input.polling.set(this.cm.options.pollInterval, function() {
-        input.poll();
-        if (input.cm.state.focused) input.slowPoll();
-      });
-    },
-
-    // When an event has just come in that is likely to add or change
-    // something in the input textarea, we poll faster, to ensure that
-    // the change appears on the screen quickly.
-    fastPoll: function() {
-      var missed = false, input = this;
-      input.pollingFast = true;
-      function p() {
-        var changed = input.poll();
-        if (!changed && !missed) {missed = true; input.polling.set(60, p);}
-        else {input.pollingFast = false; input.slowPoll();}
-      }
-      input.polling.set(20, p);
-    },
-
-    // Read input from the textarea, and update the document to match.
-    // When something is selected, it is present in the textarea, and
-    // selected (unless it is huge, in which case a placeholder is
-    // used). When nothing is selected, the cursor sits after previously
-    // seen text (can be empty), which is stored in prevInput (we must
-    // not reset the textarea when typing, because that breaks IME).
-    poll: function() {
-      var cm = this.cm, input = this.textarea, prevInput = this.prevInput;
-      // Since this is called a *lot*, try to bail out as cheaply as
-      // possible when it is clear that nothing happened. hasSelection
-      // will be the case when there is a lot of text in the textarea,
-      // in which case reading its value would be expensive.
-      if (this.contextMenuPending || !cm.state.focused ||
-          (hasSelection(input) && !prevInput && !this.composing) ||
-          cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq)
-        return false;
-
-      var text = input.value;
-      // If nothing changed, bail.
-      if (text == prevInput && !cm.somethingSelected()) return false;
-      // Work around nonsensical selection resetting in IE9/10, and
-      // inexplicable appearance of private area unicode characters on
-      // some key combos in Mac (#2689).
-      if (ie && ie_version >= 9 && this.hasSelection === text ||
-          mac && /[\uf700-\uf7ff]/.test(text)) {
-        cm.display.input.reset();
-        return false;
-      }
-
-      if (cm.doc.sel == cm.display.selForContextMenu) {
-        var first = text.charCodeAt(0);
-        if (first == 0x200b && !prevInput) prevInput = "\u200b";
-        if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo"); }
-      }
-      // Find the part of the input that is actually new
-      var same = 0, l = Math.min(prevInput.length, text.length);
-      while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same;
-
-      var self = this;
-      runInOp(cm, function() {
-        applyTextInput(cm, text.slice(same), prevInput.length - same,
-                       null, self.composing ? "*compose" : null);
-
-        // Don't leave long text in the textarea, since it makes further polling slow
-        if (text.length > 1000 || text.indexOf("\n") > -1) input.value = self.prevInput = "";
-        else self.prevInput = text;
-
-        if (self.composing) {
-          self.composing.range.clear();
-          self.composing.range = cm.markText(self.composing.start, cm.getCursor("to"),
-                                             {className: "CodeMirror-composing"});
-        }
-      });
-      return true;
-    },
-
-    ensurePolled: function() {
-      if (this.pollingFast && this.poll()) this.pollingFast = false;
-    },
-
-    onKeyPress: function() {
-      if (ie && ie_version >= 9) this.hasSelection = null;
-      this.fastPoll();
-    },
-
-    onContextMenu: function(e) {
-      var input = this, cm = input.cm, display = cm.display, te = input.textarea;
-      var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
-      if (!pos || presto) return; // Opera is difficult.
-
-      // Reset the current text selection only if the click is done outside of the selection
-      // and 'resetSelectionOnContextMenu' option is true.
-      var reset = cm.options.resetSelectionOnContextMenu;
-      if (reset && cm.doc.sel.contains(pos) == -1)
-        operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll);
-
-      var oldCSS = te.style.cssText;
-      input.wrapper.style.position = "absolute";
-      te.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) +
-        "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: " +
-        (ie ? "rgba(255, 255, 255, .05)" : "transparent") +
-        "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
-      if (webkit) var oldScrollY = window.scrollY; // Work around Chrome issue (#2712)
-      display.input.focus();
-      if (webkit) window.scrollTo(null, oldScrollY);
-      display.input.reset();
-      // Adds "Select all" to context menu in FF
-      if (!cm.somethingSelected()) te.value = input.prevInput = " ";
-      input.contextMenuPending = true;
-      display.selForContextMenu = cm.doc.sel;
-      clearTimeout(display.detectingSelectAll);
-
-      // Select-all will be greyed out if there's nothing to select, so
-      // this adds a zero-width space so that we can later check whether
-      // it got selected.
-      function prepareSelectAllHack() {
-        if (te.selectionStart != null) {
-          var selected = cm.somethingSelected();
-          var extval = "\u200b" + (selected ? te.value : "");
-          te.value = "\u21da"; // Used to catch context-menu undo
-          te.value = extval;
-          input.prevInput = selected ? "" : "\u200b";
-          te.selectionStart = 1; te.selectionEnd = extval.length;
-          // Re-set this, in case some other handler touched the
-          // selection in the meantime.
-          display.selForContextMenu = cm.doc.sel;
-        }
-      }
-      function rehide() {
-        input.contextMenuPending = false;
-        input.wrapper.style.position = "relative";
-        te.style.cssText = oldCSS;
-        if (ie && ie_version < 9) display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos);
-
-        // Try to detect the user choosing select-all
-        if (te.selectionStart != null) {
-          if (!ie || (ie && ie_version < 9)) prepareSelectAllHack();
-          var i = 0, poll = function() {
-            if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 &&
-                te.selectionEnd > 0 && input.prevInput == "\u200b")
-              operation(cm, commands.selectAll)(cm);
-            else if (i++ < 10) display.detectingSelectAll = setTimeout(poll, 500);
-            else display.input.reset();
-          };
-          display.detectingSelectAll = setTimeout(poll, 200);
-        }
-      }
-
-      if (ie && ie_version >= 9) prepareSelectAllHack();
-      if (captureRightClick) {
-        e_stop(e);
-        var mouseup = function() {
-          off(window, "mouseup", mouseup);
-          setTimeout(rehide, 20);
-        };
-        on(window, "mouseup", mouseup);
-      } else {
-        setTimeout(rehide, 50);
-      }
-    },
-
-    readOnlyChanged: function(val) {
-      if (!val) this.reset();
-    },
-
-    setUneditable: nothing,
-
-    needsContentAttribute: false
-  }, TextareaInput.prototype);
-
-  // CONTENTEDITABLE INPUT STYLE
-
-  function ContentEditableInput(cm) {
-    this.cm = cm;
-    this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null;
-    this.polling = new Delayed();
-    this.gracePeriod = false;
-  }
-
-  ContentEditableInput.prototype = copyObj({
-    init: function(display) {
-      var input = this, cm = input.cm;
-      var div = input.div = display.lineDiv;
-      disableBrowserMagic(div);
-
-      on(div, "paste", function(e) {
-        if (!signalDOMEvent(cm, e)) handlePaste(e, cm);
-      })
-
-      on(div, "compositionstart", function(e) {
-        var data = e.data;
-        input.composing = {sel: cm.doc.sel, data: data, startData: data};
-        if (!data) return;
-        var prim = cm.doc.sel.primary();
-        var line = cm.getLine(prim.head.line);
-        var found = line.indexOf(data, Math.max(0, prim.head.ch - data.length));
-        if (found > -1 && found <= prim.head.ch)
-          input.composing.sel = simpleSelection(Pos(prim.head.line, found),
-                                                Pos(prim.head.line, found + data.length));
-      });
-      on(div, "compositionupdate", function(e) {
-        input.composing.data = e.data;
-      });
-      on(div, "compositionend", function(e) {
-        var ours = input.composing;
-        if (!ours) return;
-        if (e.data != ours.startData && !/\u200b/.test(e.data))
-          ours.data = e.data;
-        // Need a small delay to prevent other code (input event,
-        // selection polling) from doing damage when fired right after
-        // compositionend.
-        setTimeout(function() {
-          if (!ours.handled)
-            input.applyComposition(ours);
-          if (input.composing == ours)
-            input.composing = null;
-        }, 50);
-      });
-
-      on(div, "touchstart", function() {
-        input.forceCompositionEnd();
-      });
-
-      on(div, "input", function() {
-        if (input.composing) return;
-        if (cm.isReadOnly() || !input.pollContent())
-          runInOp(input.cm, function() {regChange(cm);});
-      });
-
-      function onCopyCut(e) {
-        if (signalDOMEvent(cm, e)) return
-        if (cm.somethingSelected()) {
-          lastCopied = cm.getSelections();
-          if (e.type == "cut") cm.replaceSelection("", null, "cut");
-        } else if (!cm.options.lineWiseCopyCut) {
-          return;
-        } else {
-          var ranges = copyableRanges(cm);
-          lastCopied = ranges.text;
-          if (e.type == "cut") {
-            cm.operation(function() {
-              cm.setSelections(ranges.ranges, 0, sel_dontScroll);
-              cm.replaceSelection("", null, "cut");
-            });
-          }
-        }
-        // iOS exposes the clipboard API, but seems to discard content inserted into it
-        if (e.clipboardData && !ios) {
-          e.preventDefault();
-          e.clipboardData.clearData();
-          e.clipboardData.setData("text/plain", lastCopied.join("\n"));
-        } else {
-          // Old-fashioned briefly-focus-a-textarea hack
-          var kludge = hiddenTextarea(), te = kludge.firstChild;
-          cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild);
-          te.value = lastCopied.join("\n");
-          var hadFocus = document.activeElement;
-          selectInput(te);
-          setTimeout(function() {
-            cm.display.lineSpace.removeChild(kludge);
-            hadFocus.focus();
-          }, 50);
-        }
-      }
-      on(div, "copy", onCopyCut);
-      on(div, "cut", onCopyCut);
-    },
-
-    prepareSelection: function() {
-      var result = prepareSelection(this.cm, false);
-      result.focus = this.cm.state.focused;
-      return result;
-    },
-
-    showSelection: function(info) {
-      if (!info || !this.cm.display.view.length) return;
-      if (info.focus) this.showPrimarySelection();
-      this.showMultipleSelections(info);
-    },
-
-    showPrimarySelection: function() {
-      var sel = window.getSelection(), prim = this.cm.doc.sel.primary();
-      var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset);
-      var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset);
-      if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&
-          cmp(minPos(curAnchor, curFocus), prim.from()) == 0 &&
-          cmp(maxPos(curAnchor, curFocus), prim.to()) == 0)
-        return;
-
-      var start = posToDOM(this.cm, prim.from());
-      var end = posToDOM(this.cm, prim.to());
-      if (!start && !end) return;
-
-      var view = this.cm.display.view;
-      var old = sel.rangeCount && sel.getRangeAt(0);
-      if (!start) {
-        start = {node: view[0].measure.map[2], offset: 0};
-      } else if (!end) { // FIXME dangerously hacky
-        var measure = view[view.length - 1].measure;
-        var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map;
-        end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]};
-      }
-
-      try { var rng = range(start.node, start.offset, end.offset, end.node); }
-      catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible
-      if (rng) {
-        if (!gecko && this.cm.state.focused) {
-          sel.collapse(start.node, start.offset);
-          if (!rng.collapsed) sel.addRange(rng);
-        } else {
-          sel.removeAllRanges();
-          sel.addRange(rng);
-        }
-        if (old && sel.anchorNode == null) sel.addRange(old);
-        else if (gecko) this.startGracePeriod();
-      }
-      this.rememberSelection();
-    },
-
-    startGracePeriod: function() {
-      var input = this;
-      clearTimeout(this.gracePeriod);
-      this.gracePeriod = setTimeout(function() {
-        input.gracePeriod = false;
-        if (input.selectionChanged())
-          input.cm.operation(function() { input.cm.curOp.selectionChanged = true; });
-      }, 20);
-    },
-
-    showMultipleSelections: function(info) {
-      removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors);
-      removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection);
-    },
-
-    rememberSelection: function() {
-      var sel = window.getSelection();
-      this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset;
-      this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset;
-    },
-
-    selectionInEditor: function() {
-      var sel = window.getSelection();
-      if (!sel.rangeCount) return false;
-      var node = sel.getRangeAt(0).commonAncestorContainer;
-      return contains(this.div, node);
-    },
-
-    focus: function() {
-      if (this.cm.options.readOnly != "nocursor") this.div.focus();
-    },
-    blur: function() { this.div.blur(); },
-    getField: function() { return this.div; },
-
-    supportsTouch: function() { return true; },
-
-    receivedFocus: function() {
-      var input = this;
-      if (this.selectionInEditor())
-        this.pollSelection();
-      else
-        runInOp(this.cm, function() { input.cm.curOp.selectionChanged = true; });
-
-      function poll() {
-        if (input.cm.state.focused) {
-          input.pollSelection();
-          input.polling.set(input.cm.options.pollInterval, poll);
-        }
-      }
-      this.polling.set(this.cm.options.pollInterval, poll);
-    },
-
-    selectionChanged: function() {
-      var sel = window.getSelection();
-      return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset ||
-        sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset;
-    },
-
-    pollSelection: function() {
-      if (!this.composing && !this.gracePeriod && this.selectionChanged()) {
-        var sel = window.getSelection(), cm = this.cm;
-        this.rememberSelection();
-        var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
-        var head = domToPos(cm, sel.focusNode, sel.focusOffset);
-        if (anchor && head) runInOp(cm, function() {
-          setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll);
-          if (anchor.bad || head.bad) cm.curOp.selectionChanged = true;
-        });
-      }
-    },
-
-    pollContent: function() {
-      var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary();
-      var from = sel.from(), to = sel.to();
-      if (from.line < display.viewFrom || to.line > display.viewTo - 1) return false;
-
-      var fromIndex;
-      if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) {
-        var fromLine = lineNo(display.view[0].line);
-        var fromNode = display.view[0].node;
-      } else {
-        var fromLine = lineNo(display.view[fromIndex].line);
-        var fromNode = display.view[fromIndex - 1].node.nextSibling;
-      }
-      var toIndex = findViewIndex(cm, to.line);
-      if (toIndex == display.view.length - 1) {
-        var toLine = display.viewTo - 1;
-        var toNode = display.lineDiv.lastChild;
-      } else {
-        var toLine = lineNo(display.view[toIndex + 1].line) - 1;
-        var toNode = display.view[toIndex + 1].node.previousSibling;
-      }
-
-      var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine));
-      var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length));
-      while (newText.length > 1 && oldText.length > 1) {
-        if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; }
-        else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; }
-        else break;
-      }
-
-      var cutFront = 0, cutEnd = 0;
-      var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length);
-      while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))
-        ++cutFront;
-      var newBot = lst(newText), oldBot = lst(oldText);
-      var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0),
-                               oldBot.length - (oldText.length == 1 ? cutFront : 0));
-      while (cutEnd < maxCutEnd &&
-             newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))
-        ++cutEnd;
-
-      newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd);
-      newText[0] = newText[0].slice(cutFront);
-
-      var chFrom = Pos(fromLine, cutFront);
-      var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0);
-      if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) {
-        replaceRange(cm.doc, newText, chFrom, chTo, "+input");
-        return true;
-      }
-    },
-
-    ensurePolled: function() {
-      this.forceCompositionEnd();
-    },
-    reset: function() {
-      this.forceCompositionEnd();
-    },
-    forceCompositionEnd: function() {
-      if (!this.composing || this.composing.handled) return;
-      this.applyComposition(this.composing);
-      this.composing.handled = true;
-      this.div.blur();
-      this.div.focus();
-    },
-    applyComposition: function(composing) {
-      if (this.cm.isReadOnly())
-        operation(this.cm, regChange)(this.cm)
-      else if (composing.data && composing.data != composing.startData)
-        operation(this.cm, applyTextInput)(this.cm, composing.data, 0, composing.sel);
-    },
-
-    setUneditable: function(node) {
-      node.contentEditable = "false"
-    },
-
-    onKeyPress: function(e) {
-      e.preventDefault();
-      if (!this.cm.isReadOnly())
-        operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0);
-    },
-
-    readOnlyChanged: function(val) {
-      this.div.contentEditable = String(val != "nocursor")
-    },
-
-    onContextMenu: nothing,
-    resetPosition: nothing,
-
-    needsContentAttribute: true
-  }, ContentEditableInput.prototype);
-
-  function posToDOM(cm, pos) {
-    var view = findViewForLine(cm, pos.line);
-    if (!view || view.hidden) return null;
-    var line = getLine(cm.doc, pos.line);
-    var info = mapFromLineView(view, line, pos.line);
-
-    var order = getOrder(line), side = "left";
-    if (order) {
-      var partPos = getBidiPartAt(order, pos.ch);
-      side = partPos % 2 ? "right" : "left";
-    }
-    var result = nodeAndOffsetInLineMap(info.map, pos.ch, side);
-    result.offset = result.collapse == "right" ? result.end : result.start;
-    return result;
-  }
-
-  function badPos(pos, bad) { if (bad) pos.bad = true; return pos; }
-
-  function domToPos(cm, node, offset) {
-    var lineNode;
-    if (node == cm.display.lineDiv) {
-      lineNode = cm.display.lineDiv.childNodes[offset];
-      if (!lineNode) return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true);
-      node = null; offset = 0;
-    } else {
-      for (lineNode = node;; lineNode = lineNode.parentNode) {
-        if (!lineNode || lineNode == cm.display.lineDiv) return null;
-        if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) break;
-      }
-    }
-    for (var i = 0; i < cm.display.view.length; i++) {
-      var lineView = cm.display.view[i];
-      if (lineView.node == lineNode)
-        return locateNodeInLineView(lineView, node, offset);
-    }
-  }
-
-  function locateNodeInLineView(lineView, node, offset) {
-    var wrapper = lineView.text.firstChild, bad = false;
-    if (!node || !contains(wrapper, node)) return badPos(Pos(lineNo(lineView.line), 0), true);
-    if (node == wrapper) {
-      bad = true;
-      node = wrapper.childNodes[offset];
-      offset = 0;
-      if (!node) {
-        var line = lineView.rest ? lst(lineView.rest) : lineView.line;
-        return badPos(Pos(lineNo(line), line.text.length), bad);
-      }
-    }
-
-    var textNode = node.nodeType == 3 ? node : null, topNode = node;
-    if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {
-      textNode = node.firstChild;
-      if (offset) offset = textNode.nodeValue.length;
-    }
-    while (topNode.parentNode != wrapper) topNode = topNode.parentNode;
-    var measure = lineView.measure, maps = measure.maps;
-
-    function find(textNode, topNode, offset) {
-      for (var i = -1; i < (maps ? maps.length : 0); i++) {
-        var map = i < 0 ? measure.map : maps[i];
-        for (var j = 0; j < map.length; j += 3) {
-          var curNode = map[j + 2];
-          if (curNode == textNode || curNode == topNode) {
-            var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]);
-            var ch = map[j] + offset;
-            if (offset < 0 || curNode != textNode) ch = map[j + (offset ? 1 : 0)];
-            return Pos(line, ch);
-          }
-        }
-      }
-    }
-    var found = find(textNode, topNode, offset);
-    if (found) return badPos(found, bad);
-
-    // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems
-    for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {
-      found = find(after, after.firstChild, 0);
-      if (found)
-        return badPos(Pos(found.line, found.ch - dist), bad);
-      else
-        dist += after.textContent.length;
-    }
-    for (var before = topNode.previousSibling, dist = offset; before; before = before.previousSibling) {
-      found = find(before, before.firstChild, -1);
-      if (found)
-        return badPos(Pos(found.line, found.ch + dist), bad);
-      else
-        dist += after.textContent.length;
-    }
-  }
-
-  function domTextBetween(cm, from, to, fromLine, toLine) {
-    var text = "", closing = false, lineSep = cm.doc.lineSeparator();
-    function recognizeMarker(id) { return function(marker) { return marker.id == id; }; }
-    function walk(node) {
-      if (node.nodeType == 1) {
-        var cmText = node.getAttribute("cm-text");
-        if (cmText != null) {
-          if (cmText == "") cmText = node.textContent.replace(/\u200b/g, "");
-          text += cmText;
-          return;
-        }
-        var markerID = node.getAttribute("cm-marker"), range;
-        if (markerID) {
-          var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID));
-          if (found.length && (range = found[0].find()))
-            text += getBetween(cm.doc, range.from, range.to).join(lineSep);
-          return;
-        }
-        if (node.getAttribute("contenteditable") == "false") return;
-        for (var i = 0; i < node.childNodes.length; i++)
-          walk(node.childNodes[i]);
-        if (/^(pre|div|p)$/i.test(node.nodeName))
-          closing = true;
-      } else if (node.nodeType == 3) {
-        var val = node.nodeValue;
-        if (!val) return;
-        if (closing) {
-          text += lineSep;
-          closing = false;
-        }
-        text += val;
-      }
-    }
-    for (;;) {
-      walk(from);
-      if (from == to) break;
-      from = from.nextSibling;
-    }
-    return text;
-  }
-
-  CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput};
-
-  // SELECTION / CURSOR
-
-  // Selection objects are immutable. A new one is created every time
-  // the selection changes. A selection is one or more non-overlapping
-  // (and non-touching) ranges, sorted, and an integer that indicates
-  // which one is the primary selection (the one that's scrolled into
-  // view, that getCursor returns, etc).
-  function Selection(ranges, primIndex) {
-    this.ranges = ranges;
-    this.primIndex = primIndex;
-  }
-
-  Selection.prototype = {
-    primary: function() { return this.ranges[this.primIndex]; },
-    equals: function(other) {
-      if (other == this) return true;
-      if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) return false;
-      for (var i = 0; i < this.ranges.length; i++) {
-        var here = this.ranges[i], there = other.ranges[i];
-        if (cmp(here.anchor, there.anchor) != 0 || cmp(here.head, there.head) != 0) return false;
-      }
-      return true;
-    },
-    deepCopy: function() {
-      for (var out = [], i = 0; i < this.ranges.length; i++)
-        out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head));
-      return new Selection(out, this.primIndex);
-    },
-    somethingSelected: function() {
-      for (var i = 0; i < this.ranges.length; i++)
-        if (!this.ranges[i].empty()) return true;
-      return false;
-    },
-    contains: function(pos, end) {
-      if (!end) end = pos;
-      for (var i = 0; i < this.ranges.length; i++) {
-        var range = this.ranges[i];
-        if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)
-          return i;
-      }
-      return -1;
-    }
-  };
-
-  function Range(anchor, head) {
-    this.anchor = anchor; this.head = head;
-  }
-
-  Range.prototype = {
-    from: function() { return minPos(this.anchor, this.head); },
-    to: function() { return maxPos(this.anchor, this.head); },
-    empty: function() {
-      return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch;
-    }
-  };
-
-  // Take an unsorted, potentially overlapping set of ranges, and
-  // build a selection out of it. 'Consumes' ranges array (modifying
-  // it).
-  function normalizeSelection(ranges, primIndex) {
-    var prim = ranges[primIndex];
-    ranges.sort(function(a, b) { return cmp(a.from(), b.from()); });
-    primIndex = indexOf(ranges, prim);
-    for (var i = 1; i < ranges.length; i++) {
-      var cur = ranges[i], prev = ranges[i - 1];
-      if (cmp(prev.to(), cur.from()) >= 0) {
-        var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());
-        var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;
-        if (i <= primIndex) --primIndex;
-        ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));
-      }
-    }
-    return new Selection(ranges, primIndex);
-  }
-
-  function simpleSelection(anchor, head) {
-    return new Selection([new Range(anchor, head || anchor)], 0);
-  }
-
-  // Most of the external API clips given positions to make sure they
-  // actually exist within the document.
-  function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1));}
-  function clipPos(doc, pos) {
-    if (pos.line < doc.first) return Pos(doc.first, 0);
-    var last = doc.first + doc.size - 1;
-    if (pos.line > last) return Pos(last, getLine(doc, last).text.length);
-    return clipToLen(pos, getLine(doc, pos.line).text.length);
-  }
-  function clipToLen(pos, linelen) {
-    var ch = pos.ch;
-    if (ch == null || ch > linelen) return Pos(pos.line, linelen);
-    else if (ch < 0) return Pos(pos.line, 0);
-    else return pos;
-  }
-  function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size;}
-  function clipPosArray(doc, array) {
-    for (var out = [], i = 0; i < array.length; i++) out[i] = clipPos(doc, array[i]);
-    return out;
-  }
-
-  // SELECTION UPDATES
-
-  // The 'scroll' parameter given to many of these indicated whether
-  // the new cursor position should be scrolled into view after
-  // modifying the selection.
-
-  // If shift is held or the extend flag is set, extends a range to
-  // include a given position (and optionally a second position).
-  // Otherwise, simply returns the range between the given positions.
-  // Used for cursor motion and such.
-  function extendRange(doc, range, head, other) {
-    if (doc.cm && doc.cm.display.shift || doc.extend) {
-      var anchor = range.anchor;
-      if (other) {
-        var posBefore = cmp(head, anchor) < 0;
-        if (posBefore != (cmp(other, anchor) < 0)) {
-          anchor = head;
-          head = other;
-        } else if (posBefore != (cmp(head, other) < 0)) {
-          head = other;
-        }
-      }
-      return new Range(anchor, head);
-    } else {
-      return new Range(other || head, head);
-    }
-  }
-
-  // Extend the primary selection range, discard the rest.
-  function extendSelection(doc, head, other, options) {
-    setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), options);
-  }
-
-  // Extend all selections (pos is an array of selections with length
-  // equal the number of selections)
-  function extendSelections(doc, heads, options) {
-    for (var out = [], i = 0; i < doc.sel.ranges.length; i++)
-      out[i] = extendRange(doc, doc.sel.ranges[i], heads[i], null);
-    var newSel = normalizeSelection(out, doc.sel.primIndex);
-    setSelection(doc, newSel, options);
-  }
-
-  // Updates a single range in the selection.
-  function replaceOneSelection(doc, i, range, options) {
-    var ranges = doc.sel.ranges.slice(0);
-    ranges[i] = range;
-    setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options);
-  }
-
-  // Reset the selection to a single range.
-  function setSimpleSelection(doc, anchor, head, options) {
-    setSelection(doc, simpleSelection(anchor, head), options);
-  }
-
-  // Give beforeSelectionChange handlers a change to influence a
-  // selection update.
-  function filterSelectionChange(doc, sel, options) {
-    var obj = {
-      ranges: sel.ranges,
-      update: function(ranges) {
-        this.ranges = [];
-        for (var i = 0; i < ranges.length; i++)
-          this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),
-                                     clipPos(doc, ranges[i].head));
-      },
-      origin: options && options.origin
-    };
-    signal(doc, "beforeSelectionChange", doc, obj);
-    if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj);
-    if (obj.ranges != sel.ranges) return normalizeSelection(obj.ranges, obj.ranges.length - 1);
-    else return sel;
-  }
-
-  function setSelectionReplaceHistory(doc, sel, options) {
-    var done = doc.history.done, last = lst(done);
-    if (last && last.ranges) {
-      done[done.length - 1] = sel;
-      setSelectionNoUndo(doc, sel, options);
-    } else {
-      setSelection(doc, sel, options);
-    }
-  }
-
-  // Set a new selection.
-  function setSelection(doc, sel, options) {
-    setSelectionNoUndo(doc, sel, options);
-    addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);
-  }
-
-  function setSelectionNoUndo(doc, sel, options) {
-    if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))
-      sel = filterSelectionChange(doc, sel, options);
-
-    var bias = options && options.bias ||
-      (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);
-    setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));
-
-    if (!(options && options.scroll === false) && doc.cm)
-      ensureCursorVisible(doc.cm);
-  }
-
-  function setSelectionInner(doc, sel) {
-    if (sel.equals(doc.sel)) return;
-
-    doc.sel = sel;
-
-    if (doc.cm) {
-      doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true;
-      signalCursorActivity(doc.cm);
-    }
-    signalLater(doc, "cursorActivity", doc);
-  }
-
-  // Verify that the selection does not partially select any atomic
-  // marked ranges.
-  function reCheckSelection(doc) {
-    setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false), sel_dontScroll);
-  }
-
-  // Return a selection that does not partially select any atomic
-  // ranges.
-  function skipAtomicInSelection(doc, sel, bias, mayClear) {
-    var out;
-    for (var i = 0; i < sel.ranges.length; i++) {
-      var range = sel.ranges[i];
-      var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i];
-      var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear);
-      var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear);
-      if (out || newAnchor != range.anchor || newHead != range.head) {
-        if (!out) out = sel.ranges.slice(0, i);
-        out[i] = new Range(newAnchor, newHead);
-      }
-    }
-    return out ? normalizeSelection(out, sel.primIndex) : sel;
-  }
-
-  function skipAtomicInner(doc, pos, oldPos, dir, mayClear) {
-    var line = getLine(doc, pos.line);
-    if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) {
-      var sp = line.markedSpans[i], m = sp.marker;
-      if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) &&
-          (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) {
-        if (mayClear) {
-          signal(m, "beforeCursorEnter");
-          if (m.explicitlyCleared) {
-            if (!line.markedSpans) break;
-            else {--i; continue;}
-          }
-        }
-        if (!m.atomic) continue;
-
-        if (oldPos) {
-          var near = m.find(dir < 0 ? 1 : -1), diff;
-          if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft) near = movePos(doc, near, -dir, line);
-          if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))
-            return skipAtomicInner(doc, near, pos, dir, mayClear);
-        }
-
-        var far = m.find(dir < 0 ? -1 : 1);
-        if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight) far = movePos(doc, far, dir, line);
-        return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null;
-      }
-    }
-    return pos;
-  }
-
-  // Ensure a given position is not inside an atomic range.
-  function skipAtomic(doc, pos, oldPos, bias, mayClear) {
-    var dir = bias || 1;
-    var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) ||
-        (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) ||
-        skipAtomicInner(doc, pos, oldPos, -dir, mayClear) ||
-        (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true));
-    if (!found) {
-      doc.cantEdit = true;
-      return Pos(doc.first, 0);
-    }
-    return found;
-  }
-
-  function movePos(doc, pos, dir, line) {
-    if (dir < 0 && pos.ch == 0) {
-      if (pos.line > doc.first) return clipPos(doc, Pos(pos.line - 1));
-      else return null;
-    } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) {
-      if (pos.line < doc.first + doc.size - 1) return Pos(pos.line + 1, 0);
-      else return null;
-    } else {
-      return new Pos(pos.line, pos.ch + dir);
-    }
-  }
-
-  // SELECTION DRAWING
-
-  function updateSelection(cm) {
-    cm.display.input.showSelection(cm.display.input.prepareSelection());
-  }
-
-  function prepareSelection(cm, primary) {
-    var doc = cm.doc, result = {};
-    var curFragment = result.cursors = document.createDocumentFragment();
-    var selFragment = result.selection = document.createDocumentFragment();
-
-    for (var i = 0; i < doc.sel.ranges.length; i++) {
-      if (primary === false && i == doc.sel.primIndex) continue;
-      var range = doc.sel.ranges[i];
-      var collapsed = range.empty();
-      if (collapsed || cm.options.showCursorWhenSelecting)
-        drawSelectionCursor(cm, range.head, curFragment);
-      if (!collapsed)
-        drawSelectionRange(cm, range, selFragment);
-    }
-    return result;
-  }
-
-  // Draws a cursor for the given range
-  function drawSelectionCursor(cm, head, output) {
-    var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine);
-
-    var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor"));
-    cursor.style.left = pos.left + "px";
-    cursor.style.top = pos.top + "px";
-    cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";
-
-    if (pos.other) {
-      // Secondary cursor, shown when on a 'jump' in bi-directional text
-      var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"));
-      otherCursor.style.display = "";
-      otherCursor.style.left = pos.other.left + "px";
-      otherCursor.style.top = pos.other.top + "px";
-      otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
-    }
-  }
-
-  // Draws the given range as a highlighted selection
-  function drawSelectionRange(cm, range, output) {
-    var display = cm.display, doc = cm.doc;
-    var fragment = document.createDocumentFragment();
-    var padding = paddingH(cm.display), leftSide = padding.left;
-    var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right;
-
-    function add(left, top, width, bottom) {
-      if (top < 0) top = 0;
-      top = Math.round(top);
-      bottom = Math.round(bottom);
-      fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left +
-                               "px; top: " + top + "px; width: " + (width == null ? rightSide - left : width) +
-                               "px; height: " + (bottom - top) + "px"));
-    }
-
-    function drawForLine(line, fromArg, toArg) {
-      var lineObj = getLine(doc, line);
-      var lineLen = lineObj.text.length;
-      var start, end;
-      function coords(ch, bias) {
-        return charCoords(cm, Pos(line, ch), "div", lineObj, bias);
-      }
-
-      iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) {
-        var leftPos = coords(from, "left"), rightPos, left, right;
-        if (from == to) {
-          rightPos = leftPos;
-          left = right = leftPos.left;
-        } else {
-          rightPos = coords(to - 1, "right");
-          if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp; }
-          left = leftPos.left;
-          right = rightPos.right;
-        }
-        if (fromArg == null && from == 0) left = leftSide;
-        if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part
-          add(left, leftPos.top, null, leftPos.bottom);
-          left = leftSide;
-          if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top);
-        }
-        if (toArg == null && to == lineLen) right = rightSide;
-        if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left)
-          start = leftPos;
-        if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right)
-          end = rightPos;
-        if (left < leftSide + 1) left = leftSide;
-        add(left, rightPos.top, right - left, rightPos.bottom);
-      });
-      return {start: start, end: end};
-    }
-
-    var sFrom = range.from(), sTo = range.to();
-    if (sFrom.line == sTo.line) {
-      drawForLine(sFrom.line, sFrom.ch, sTo.ch);
-    } else {
-      var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);
-      var singleVLine = visualLine(fromLine) == visualLine(toLine);
-      var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;
-      var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;
-      if (singleVLine) {
-        if (leftEnd.top < rightStart.top - 2) {
-          add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);
-          add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);
-        } else {
-          add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);
-        }
-      }
-      if (leftEnd.bottom < rightStart.top)
-        add(leftSide, leftEnd.bottom, null, rightStart.top);
-    }
-
-    output.appendChild(fragment);
-  }
-
-  // Cursor-blinking
-  function restartBlink(cm) {
-    if (!cm.state.focused) return;
-    var display = cm.display;
-    clearInterval(display.blinker);
-    var on = true;
-    display.cursorDiv.style.visibility = "";
-    if (cm.options.cursorBlinkRate > 0)
-      display.blinker = setInterval(function() {
-        display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden";
-      }, cm.options.cursorBlinkRate);
-    else if (cm.options.cursorBlinkRate < 0)
-      display.cursorDiv.style.visibility = "hidden";
-  }
-
-  // HIGHLIGHT WORKER
-
-  function startWorker(cm, time) {
-    if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo)
-      cm.state.highlight.set(time, bind(highlightWorker, cm));
-  }
-
-  function highlightWorker(cm) {
-    var doc = cm.doc;
-    if (doc.frontier < doc.first) doc.frontier = doc.first;
-    if (doc.frontier >= cm.display.viewTo) return;
-    var end = +new Date + cm.options.workTime;
-    var state = copyState(doc.mode, getStateBefore(cm, doc.frontier));
-    var changedLines = [];
-
-    doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function(line) {
-      if (doc.frontier >= cm.display.viewFrom) { // Visible
-        var oldStyles = line.styles, tooLong = line.text.length > cm.options.maxHighlightLength;
-        var highlighted = highlightLine(cm, line, tooLong ? copyState(doc.mode, state) : state, true);
-        line.styles = highlighted.styles;
-        var oldCls = line.styleClasses, newCls = highlighted.classes;
-        if (newCls) line.styleClasses = newCls;
-        else if (oldCls) line.styleClasses = null;
-        var ischange = !oldStyles || oldStyles.length != line.styles.length ||
-          oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass);
-        for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i];
-        if (ischange) changedLines.push(doc.frontier);
-        line.stateAfter = tooLong ? state : copyState(doc.mode, state);
-      } else {
-        if (line.text.length <= cm.options.maxHighlightLength)
-          processLine(cm, line.text, state);
-        line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null;
-      }
-      ++doc.frontier;
-      if (+new Date > end) {
-        startWorker(cm, cm.options.workDelay);
-        return true;
-      }
-    });
-    if (changedLines.length) runInOp(cm, function() {
-      for (var i = 0; i < changedLines.length; i++)
-        regLineChange(cm, changedLines[i], "text");
-    });
-  }
-
-  // Finds the line to start with when starting a parse. Tries to
-  // find a line with a stateAfter, so that it can start with a
-  // valid state. If that fails, it returns the line with the
-  // smallest indentation, which tends to need the least context to
-  // parse correctly.
-  function findStartLine(cm, n, precise) {
-    var minindent, minline, doc = cm.doc;
-    var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);
-    for (var search = n; search > lim; --search) {
-      if (search <= doc.first) return doc.first;
-      var line = getLine(doc, search - 1);
-      if (line.stateAfter && (!precise || search <= doc.frontier)) return search;
-      var indented = countColumn(line.text, null, cm.options.tabSize);
-      if (minline == null || minindent > indented) {
-        minline = search - 1;
-        minindent = indented;
-      }
-    }
-    return minline;
-  }
-
-  function getStateBefore(cm, n, precise) {
-    var doc = cm.doc, display = cm.display;
-    if (!doc.mode.startState) return true;
-    var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter;
-    if (!state) state = startState(doc.mode);
-    else state = copyState(doc.mode, state);
-    doc.iter(pos, n, function(line) {
-      processLine(cm, line.text, state);
-      var save = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo;
-      line.stateAfter = save ? copyState(doc.mode, state) : null;
-      ++pos;
-    });
-    if (precise) doc.frontier = pos;
-    return state;
-  }
-
-  // POSITION MEASUREMENT
-
-  function paddingTop(display) {return display.lineSpace.offsetTop;}
-  function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight;}
-  function paddingH(display) {
-    if (display.cachedPaddingH) return display.cachedPaddingH;
-    var e = removeChildrenAndAdd(display.measure, elt("pre", "x"));
-    var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;
-    var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};
-    if (!isNaN(data.left) && !isNaN(data.right)) display.cachedPaddingH = data;
-    return data;
-  }
-
-  function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth; }
-  function displayWidth(cm) {
-    return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth;
-  }
-  function displayHeight(cm) {
-    return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight;
-  }
-
-  // Ensure the lineView.wrapping.heights array is populated. This is
-  // an array of bottom offsets for the lines that make up a drawn
-  // line. When lineWrapping is on, there might be more than one
-  // height.
-  function ensureLineHeights(cm, lineView, rect) {
-    var wrapping = cm.options.lineWrapping;
-    var curWidth = wrapping && displayWidth(cm);
-    if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {
-      var heights = lineView.measure.heights = [];
-      if (wrapping) {
-        lineView.measure.width = curWidth;
-        var rects = lineView.text.firstChild.getClientRects();
-        for (var i = 0; i < rects.length - 1; i++) {
-          var cur = rects[i], next = rects[i + 1];
-          if (Math.abs(cur.bottom - next.bottom) > 2)
-            heights.push((cur.bottom + next.top) / 2 - rect.top);
-        }
-      }
-      heights.push(rect.bottom - rect.top);
-    }
-  }
-
-  // Find a line map (mapping character offsets to text nodes) and a
-  // measurement cache for the given line number. (A line view might
-  // contain multiple lines when collapsed ranges are present.)
-  function mapFromLineView(lineView, line, lineN) {
-    if (lineView.line == line)
-      return {map: lineView.measure.map, cache: lineView.measure.cache};
-    for (var i = 0; i < lineView.rest.length; i++)
-      if (lineView.rest[i] == line)
-        return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]};
-    for (var i = 0; i < lineView.rest.length; i++)
-      if (lineNo(lineView.rest[i]) > lineN)
-        return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i], before: true};
-  }
-
-  // Render a line into the hidden node display.externalMeasured. Used
-  // when measurement is needed for a line that's not in the viewport.
-  function updateExternalMeasurement(cm, line) {
-    line = visualLine(line);
-    var lineN = lineNo(line);
-    var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);
-    view.lineN = lineN;
-    var built = view.built = buildLineContent(cm, view);
-    view.text = built.pre;
-    removeChildrenAndAdd(cm.display.lineMeasure, built.pre);
-    return view;
-  }
-
-  // Get a {top, bottom, left, right} box (in line-local coordinates)
-  // for a given character.
-  function measureChar(cm, line, ch, bias) {
-    return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias);
-  }
-
-  // Find a line view that corresponds to the given line number.
-  function findViewForLine(cm, lineN) {
-    if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)
-      return cm.display.view[findViewIndex(cm, lineN)];
-    var ext = cm.display.externalMeasured;
-    if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)
-      return ext;
-  }
-
-  // Measurement can be split in two steps, the set-up work that
-  // applies to the whole line, and the measurement of the actual
-  // character. Functions like coordsChar, that need to do a lot of
-  // measurements in a row, can thus ensure that the set-up work is
-  // only done once.
-  function prepareMeasureForLine(cm, line) {
-    var lineN = lineNo(line);
-    var view = findViewForLine(cm, lineN);
-    if (view && !view.text) {
-      view = null;
-    } else if (view && view.changes) {
-      updateLineForChanges(cm, view, lineN, getDimensions(cm));
-      cm.curOp.forceUpdate = true;
-    }
-    if (!view)
-      view = updateExternalMeasurement(cm, line);
-
-    var info = mapFromLineView(view, line, lineN);
-    return {
-      line: line, view: view, rect: null,
-      map: info.map, cache: info.cache, before: info.before,
-      hasHeights: false
-    };
-  }
-
-  // Given a prepared measurement object, measures the position of an
-  // actual character (or fetches it from the cache).
-  function measureCharPrepared(cm, prepared, ch, bias, varHeight) {
-    if (prepared.before) ch = -1;
-    var key = ch + (bias || ""), found;
-    if (prepared.cache.hasOwnProperty(key)) {
-      found = prepared.cache[key];
-    } else {
-      if (!prepared.rect)
-        prepared.rect = prepared.view.text.getBoundingClientRect();
-      if (!prepared.hasHeights) {
-        ensureLineHeights(cm, prepared.view, prepared.rect);
-        prepared.hasHeights = true;
-      }
-      found = measureCharInner(cm, prepared, ch, bias);
-      if (!found.bogus) prepared.cache[key] = found;
-    }
-    return {left: found.left, right: found.right,
-            top: varHeight ? found.rtop : found.top,
-            bottom: varHeight ? found.rbottom : found.bottom};
-  }
-
-  var nullRect = {left: 0, right: 0, top: 0, bottom: 0};
-
-  function nodeAndOffsetInLineMap(map, ch, bias) {
-    var node, start, end, collapse;
-    // First, search the line map for the text node corresponding to,
-    // or closest to, the target character.
-    for (var i = 0; i < map.length; i += 3) {
-      var mStart = map[i], mEnd = map[i + 1];
-      if (ch < mStart) {
-        start = 0; end = 1;
-        collapse = "left";
-      } else if (ch < mEnd) {
-        start = ch - mStart;
-        end = start + 1;
-      } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) {
-        end = mEnd - mStart;
-        start = end - 1;
-        if (ch >= mEnd) collapse = "right";
-      }
-      if (start != null) {
-        node = map[i + 2];
-        if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))
-          collapse = bias;
-        if (bias == "left" && start == 0)
-          while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) {
-            node = map[(i -= 3) + 2];
-            collapse = "left";
-          }
-        if (bias == "right" && start == mEnd - mStart)
-          while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) {
-            node = map[(i += 3) + 2];
-            collapse = "right";
-          }
-        break;
-      }
-    }
-    return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd};
-  }
-
-  function measureCharInner(cm, prepared, ch, bias) {
-    var place = nodeAndOffsetInLineMap(prepared.map, ch, bias);
-    var node = place.node, start = place.start, end = place.end, collapse = place.collapse;
-
-    var rect;
-    if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.
-      for (var i = 0; i < 4; i++) { // Retry a maximum of 4 times when nonsense rectangles are returned
-        while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) --start;
-        while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) ++end;
-        if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) {
-          rect = node.parentNode.getBoundingClientRect();
-        } else if (ie && cm.options.lineWrapping) {
-          var rects = range(node, start, end).getClientRects();
-          if (rects.length)
-            rect = rects[bias == "right" ? rects.length - 1 : 0];
-          else
-            rect = nullRect;
-        } else {
-          rect = range(node, start, end).getBoundingClientRect() || nullRect;
-        }
-        if (rect.left || rect.right || start == 0) break;
-        end = start;
-        start = start - 1;
-        collapse = "right";
-      }
-      if (ie && ie_version < 11) rect = maybeUpdateRectForZooming(cm.display.measure, rect);
-    } else { // If it is a widget, simply get the box for the whole widget.
-      if (start > 0) collapse = bias = "right";
-      var rects;
-      if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)
-        rect = rects[bias == "right" ? rects.length - 1 : 0];
-      else
-        rect = node.getBoundingClientRect();
-    }
-    if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {
-      var rSpan = node.parentNode.getClientRects()[0];
-      if (rSpan)
-        rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom};
-      else
-        rect = nullRect;
-    }
-
-    var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;
-    var mid = (rtop + rbot) / 2;
-    var heights = prepared.view.measure.heights;
-    for (var i = 0; i < heights.length - 1; i++)
-      if (mid < heights[i]) break;
-    var top = i ? heights[i - 1] : 0, bot = heights[i];
-    var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,
-                  right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,
-                  top: top, bottom: bot};
-    if (!rect.left && !rect.right) result.bogus = true;
-    if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; }
-
-    return result;
-  }
-
-  // Work around problem with bounding client rects on ranges being
-  // returned incorrectly when zoomed on IE10 and below.
-  function maybeUpdateRectForZooming(measure, rect) {
-    if (!window.screen || screen.logicalXDPI == null ||
-        screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))
-      return rect;
-    var scaleX = screen.logicalXDPI / screen.deviceXDPI;
-    var scaleY = screen.logicalYDPI / screen.deviceYDPI;
-    return {left: rect.left * scaleX, right: rect.right * scaleX,
-            top: rect.top * scaleY, bottom: rect.bottom * scaleY};
-  }
-
-  function clearLineMeasurementCacheFor(lineView) {
-    if (lineView.measure) {
-      lineView.measure.cache = {};
-      lineView.measure.heights = null;
-      if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++)
-        lineView.measure.caches[i] = {};
-    }
-  }
-
-  function clearLineMeasurementCache(cm) {
-    cm.display.externalMeasure = null;
-    removeChildren(cm.display.lineMeasure);
-    for (var i = 0; i < cm.display.view.length; i++)
-      clearLineMeasurementCacheFor(cm.display.view[i]);
-  }
-
-  function clearCaches(cm) {
-    clearLineMeasurementCache(cm);
-    cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;
-    if (!cm.options.lineWrapping) cm.display.maxLineChanged = true;
-    cm.display.lineNumChars = null;
-  }
-
-  function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft; }
-  function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop; }
-
-  // Converts a {top, bottom, left, right} box from line-local
-  // coordinates into another coordinate system. Context may be one of
-  // "line", "div" (display.lineDiv), "local"/null (editor), "window",
-  // or "page".
-  function intoCoordSystem(cm, lineObj, rect, context) {
-    if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) {
-      var size = widgetHeight(lineObj.widgets[i]);
-      rect.top += size; rect.bottom += size;
-    }
-    if (context == "line") return rect;
-    if (!context) context = "local";
-    var yOff = heightAtLine(lineObj);
-    if (context == "local") yOff += paddingTop(cm.display);
-    else yOff -= cm.display.viewOffset;
-    if (context == "page" || context == "window") {
-      var lOff = cm.display.lineSpace.getBoundingClientRect();
-      yOff += lOff.top + (context == "window" ? 0 : pageScrollY());
-      var xOff = lOff.left + (context == "window" ? 0 : pageScrollX());
-      rect.left += xOff; rect.right += xOff;
-    }
-    rect.top += yOff; rect.bottom += yOff;
-    return rect;
-  }
-
-  // Coverts a box from "div" coords to another coordinate system.
-  // Context may be "window", "page", "div", or "local"/null.
-  function fromCoordSystem(cm, coords, context) {
-    if (context == "div") return coords;
-    var left = coords.left, top = coords.top;
-    // First move into "page" coordinate system
-    if (context == "page") {
-      left -= pageScrollX();
-      top -= pageScrollY();
-    } else if (context == "local" || !context) {
-      var localBox = cm.display.sizer.getBoundingClientRect();
-      left += localBox.left;
-      top += localBox.top;
-    }
-
-    var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();
-    return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top};
-  }
-
-  function charCoords(cm, pos, context, lineObj, bias) {
-    if (!lineObj) lineObj = getLine(cm.doc, pos.line);
-    return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context);
-  }
-
-  // Returns a box for a given cursor position, which may have an
-  // 'other' property containing the position of the secondary cursor
-  // on a bidi boundary.
-  function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {
-    lineObj = lineObj || getLine(cm.doc, pos.line);
-    if (!preparedMeasure) preparedMeasure = prepareMeasureForLine(cm, lineObj);
-    function get(ch, right) {
-      var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight);
-      if (right) m.left = m.right; else m.right = m.left;
-      return intoCoordSystem(cm, lineObj, m, context);
-    }
-    function getBidi(ch, partPos) {
-      var part = order[partPos], right = part.level % 2;
-      if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) {
-        part = order[--partPos];
-        ch = bidiRight(part) - (part.level % 2 ? 0 : 1);
-        right = true;
-      } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) {
-        part = order[++partPos];
-        ch = bidiLeft(part) - part.level % 2;
-        right = false;
-      }
-      if (right && ch == part.to && ch > part.from) return get(ch - 1);
-      return get(ch, right);
-    }
-    var order = getOrder(lineObj), ch = pos.ch;
-    if (!order) return get(ch);
-    var partPos = getBidiPartAt(order, ch);
-    var val = getBidi(ch, partPos);
-    if (bidiOther != null) val.other = getBidi(ch, bidiOther);
-    return val;
-  }
-
-  // Used to cheaply estimate the coordinates for a position. Used for
-  // intermediate scroll updates.
-  function estimateCoords(cm, pos) {
-    var left = 0, pos = clipPos(cm.doc, pos);
-    if (!cm.options.lineWrapping) left = charWidth(cm.display) * pos.ch;
-    var lineObj = getLine(cm.doc, pos.line);
-    var top = heightAtLine(lineObj) + paddingTop(cm.display);
-    return {left: left, right: left, top: top, bottom: top + lineObj.height};
-  }
-
-  // Positions returned by coordsChar contain some extra information.
-  // xRel is the relative x position of the input coordinates compared
-  // to the found position (so xRel > 0 means the coordinates are to
-  // the right of the character position, for example). When outside
-  // is true, that means the coordinates lie outside the line's
-  // vertical range.
-  function PosWithInfo(line, ch, outside, xRel) {
-    var pos = Pos(line, ch);
-    pos.xRel = xRel;
-    if (outside) pos.outside = true;
-    return pos;
-  }
-
-  // Compute the character position closest to the given coordinates.
-  // Input must be lineSpace-local ("div" coordinate system).
-  function coordsChar(cm, x, y) {
-    var doc = cm.doc;
-    y += cm.display.viewOffset;
-    if (y < 0) return PosWithInfo(doc.first, 0, true, -1);
-    var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;
-    if (lineN > last)
-      return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1);
-    if (x < 0) x = 0;
-
-    var lineObj = getLine(doc, lineN);
-    for (;;) {
-      var found = coordsCharInner(cm, lineObj, lineN, x, y);
-      var merged = collapsedSpanAtEnd(lineObj);
-      var mergedPos = merged && merged.find(0, true);
-      if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0))
-        lineN = lineNo(lineObj = mergedPos.to.line);
-      else
-        return found;
-    }
-  }
-
-  function coordsCharInner(cm, lineObj, lineNo, x, y) {
-    var innerOff = y - heightAtLine(lineObj);
-    var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth;
-    var preparedMeasure = prepareMeasureForLine(cm, lineObj);
-
-    function getX(ch) {
-      var sp = cursorCoords(cm, Pos(lineNo, ch), "line", lineObj, preparedMeasure);
-      wrongLine = true;
-      if (innerOff > sp.bottom) return sp.left - adjust;
-      else if (innerOff < sp.top) return sp.left + adjust;
-      else wrongLine = false;
-      return sp.left;
-    }
-
-    var bidi = getOrder(lineObj), dist = lineObj.text.length;
-    var from = lineLeft(lineObj), to = lineRight(lineObj);
-    var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine;
-
-    if (x > toX) return PosWithInfo(lineNo, to, toOutside, 1);
-    // Do a binary search between these bounds.
-    for (;;) {
-      if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) {
-        var ch = x < fromX || x - fromX <= toX - x ? from : to;
-        var xDiff = x - (ch == from ? fromX : toX);
-        while (isExtendingChar(lineObj.text.charAt(ch))) ++ch;
-        var pos = PosWithInfo(lineNo, ch, ch == from ? fromOutside : toOutside,
-                              xDiff < -1 ? -1 : xDiff > 1 ? 1 : 0);
-        return pos;
-      }
-      var step = Math.ceil(dist / 2), middle = from + step;
-      if (bidi) {
-        middle = from;
-        for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1);
-      }
-      var middleX = getX(middle);
-      if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) toX += 1000; dist = step;}
-      else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step;}
-    }
-  }
-
-  var measureText;
-  // Compute the default text height.
-  function textHeight(display) {
-    if (display.cachedTextHeight != null) return display.cachedTextHeight;
-    if (measureText == null) {
-      measureText = elt("pre");
-      // Measure a bunch of lines, for browsers that compute
-      // fractional heights.
-      for (var i = 0; i < 49; ++i) {
-        measureText.appendChild(document.createTextNode("x"));
-        measureText.appendChild(elt("br"));
-      }
-      measureText.appendChild(document.createTextNode("x"));
-    }
-    removeChildrenAndAdd(display.measure, measureText);
-    var height = measureText.offsetHeight / 50;
-    if (height > 3) display.cachedTextHeight = height;
-    removeChildren(display.measure);
-    return height || 1;
-  }
-
-  // Compute the default character width.
-  function charWidth(display) {
-    if (display.cachedCharWidth != null) return display.cachedCharWidth;
-    var anchor = elt("span", "xxxxxxxxxx");
-    var pre = elt("pre", [anchor]);
-    removeChildrenAndAdd(display.measure, pre);
-    var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;
-    if (width > 2) display.cachedCharWidth = width;
-    return width || 10;
-  }
-
-  // OPERATIONS
-
-  // Operations are used to wrap a series of changes to the editor
-  // state in such a way that each change won't have to update the
-  // cursor and display (which would be awkward, slow, and
-  // error-prone). Instead, display updates are batched and then all
-  // combined and executed at once.
-
-  var operationGroup = null;
-
-  var nextOpId = 0;
-  // Start a new operation.
-  function startOperation(cm) {
-    cm.curOp = {
-      cm: cm,
-      viewChanged: false,      // Flag that indicates that lines might need to be redrawn
-      startHeight: cm.doc.height, // Used to detect need to update scrollbar
-      forceUpdate: false,      // Used to force a redraw
-      updateInput: null,       // Whether to reset the input textarea
-      typing: false,           // Whether this reset should be careful to leave existing text (for compositing)
-      changeObjs: null,        // Accumulated changes, for firing change events
-      cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on
-      cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already
-      selectionChanged: false, // Whether the selection needs to be redrawn
-      updateMaxLine: false,    // Set when the widest line needs to be determined anew
-      scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet
-      scrollToPos: null,       // Used to scroll to a specific position
-      focus: false,
-      id: ++nextOpId           // Unique ID
-    };
-    if (operationGroup) {
-      operationGroup.ops.push(cm.curOp);
-    } else {
-      cm.curOp.ownsGroup = operationGroup = {
-        ops: [cm.curOp],
-        delayedCallbacks: []
-      };
-    }
-  }
-
-  function fireCallbacksForOps(group) {
-    // Calls delayed callbacks and cursorActivity handlers until no
-    // new ones appear
-    var callbacks = group.delayedCallbacks, i = 0;
-    do {
-      for (; i < callbacks.length; i++)
-        callbacks[i].call(null);
-      for (var j = 0; j < group.ops.length; j++) {
-        var op = group.ops[j];
-        if (op.cursorActivityHandlers)
-          while (op.cursorActivityCalled < op.cursorActivityHandlers.length)
-            op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm);
-      }
-    } while (i < callbacks.length);
-  }
-
-  // Finish an operation, updating the display and signalling delayed events
-  function endOperation(cm) {
-    var op = cm.curOp, group = op.ownsGroup;
-    if (!group) return;
-
-    try { fireCallbacksForOps(group); }
-    finally {
-      operationGroup = null;
-      for (var i = 0; i < group.ops.length; i++)
-        group.ops[i].cm.curOp = null;
-      endOperations(group);
-    }
-  }
-
-  // The DOM updates done when an operation finishes are batched so
-  // that the minimum number of relayouts are required.
-  function endOperations(group) {
-    var ops = group.ops;
-    for (var i = 0; i < ops.length; i++) // Read DOM
-      endOperation_R1(ops[i]);
-    for (var i = 0; i < ops.length; i++) // Write DOM (maybe)
-      endOperation_W1(ops[i]);
-    for (var i = 0; i < ops.length; i++) // Read DOM
-      endOperation_R2(ops[i]);
-    for (var i = 0; i < ops.length; i++) // Write DOM (maybe)
-      endOperation_W2(ops[i]);
-    for (var i = 0; i < ops.length; i++) // Read DOM
-      endOperation_finish(ops[i]);
-  }
-
-  function endOperation_R1(op) {
-    var cm = op.cm, display = cm.display;
-    maybeClipScrollbars(cm);
-    if (op.updateMaxLine) findMaxLine(cm);
-
-    op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||
-      op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||
-                         op.scrollToPos.to.line >= display.viewTo) ||
-      display.maxLineChanged && cm.options.lineWrapping;
-    op.update = op.mustUpdate &&
-      new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);
-  }
-
-  function endOperation_W1(op) {
-    op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);
-  }
-
-  function endOperation_R2(op) {
-    var cm = op.cm, display = cm.display;
-    if (op.updatedDisplay) updateHeightsInViewport(cm);
-
-    op.barMeasure = measureForScrollbars(cm);
-
-    // If the max line changed since it was last measured, measure it,
-    // and ensure the document's width matches it.
-    // updateDisplay_W2 will use these properties to do the actual resizing
-    if (display.maxLineChanged && !cm.options.lineWrapping) {
-      op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;
-      cm.display.sizerWidth = op.adjustWidthTo;
-      op.barMeasure.scrollWidth =
-        Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth);
-      op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm));
-    }
-
-    if (op.updatedDisplay || op.selectionChanged)
-      op.preparedSelection = display.input.prepareSelection();
-  }
-
-  function endOperation_W2(op) {
-    var cm = op.cm;
-
-    if (op.adjustWidthTo != null) {
-      cm.display.sizer.style.minWidth = op.adjustWidthTo + "px";
-      if (op.maxScrollLeft < cm.doc.scrollLeft)
-        setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true);
-      cm.display.maxLineChanged = false;
-    }
-
-    if (op.preparedSelection)
-      cm.display.input.showSelection(op.preparedSelection);
-    if (op.updatedDisplay)
-      setDocumentHeight(cm, op.barMeasure);
-    if (op.updatedDisplay || op.startHeight != cm.doc.height)
-      updateScrollbars(cm, op.barMeasure);
-
-    if (op.selectionChanged) restartBlink(cm);
-
-    if (cm.state.focused && op.updateInput)
-      cm.display.input.reset(op.typing);
-    if (op.focus && op.focus == activeElt() && (!document.hasFocus || document.hasFocus()))
-      ensureFocus(op.cm);
-  }
-
-  function endOperation_finish(op) {
-    var cm = op.cm, display = cm.display, doc = cm.doc;
-
-    if (op.updatedDisplay) postUpdateDisplay(cm, op.update);
-
-    // Abort mouse wheel delta measurement, when scrolling explicitly
-    if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))
-      display.wheelStartX = display.wheelStartY = null;
-
-    // Propagate the scroll position to the actual DOM scroller
-    if (op.scrollTop != null && (display.scroller.scrollTop != op.scrollTop || op.forceScroll)) {
-      doc.scrollTop = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop));
-      display.scrollbars.setScrollTop(doc.scrollTop);
-      display.scroller.scrollTop = doc.scrollTop;
-    }
-    if (op.scrollLeft != null && (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll)) {
-      doc.scrollLeft = Math.max(0, Math.min(display.scroller.scrollWidth - displayWidth(cm), op.scrollLeft));
-      display.scrollbars.setScrollLeft(doc.scrollLeft);
-      display.scroller.scrollLeft = doc.scrollLeft;
-      alignHorizontally(cm);
-    }
-    // If we need to scroll a specific position into view, do so.
-    if (op.scrollToPos) {
-      var coords = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),
-                                     clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);
-      if (op.scrollToPos.isCursor && cm.state.focused) maybeScrollWindow(cm, coords);
-    }
-
-    // Fire events for markers that are hidden/unidden by editing or
-    // undoing
-    var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;
-    if (hidden) for (var i = 0; i < hidden.length; ++i)
-      if (!hidden[i].lines.length) signal(hidden[i], "hide");
-    if (unhidden) for (var i = 0; i < unhidden.length; ++i)
-      if (unhidden[i].lines.length) signal(unhidden[i], "unhide");
-
-    if (display.wrapper.offsetHeight)
-      doc.scrollTop = cm.display.scroller.scrollTop;
-
-    // Fire change events, and delayed event handlers
-    if (op.changeObjs)
-      signal(cm, "changes", cm, op.changeObjs);
-    if (op.update)
-      op.update.finish();
-  }
-
-  // Run the given function in an operation
-  function runInOp(cm, f) {
-    if (cm.curOp) return f();
-    startOperation(cm);
-    try { return f(); }
-    finally { endOperation(cm); }
-  }
-  // Wraps a function in an operation. Returns the wrapped function.
-  function operation(cm, f) {
-    return function() {
-      if (cm.curOp) return f.apply(cm, arguments);
-      startOperation(cm);
-      try { return f.apply(cm, arguments); }
-      finally { endOperation(cm); }
-    };
-  }
-  // Used to add methods to editor and doc instances, wrapping them in
-  // operations.
-  function methodOp(f) {
-    return function() {
-      if (this.curOp) return f.apply(this, arguments);
-      startOperation(this);
-      try { return f.apply(this, arguments); }
-      finally { endOperation(this); }
-    };
-  }
-  function docMethodOp(f) {
-    return function() {
-      var cm = this.cm;
-      if (!cm || cm.curOp) return f.apply(this, arguments);
-      startOperation(cm);
-      try { return f.apply(this, arguments); }
-      finally { endOperation(cm); }
-    };
-  }
-
-  // VIEW TRACKING
-
-  // These objects are used to represent the visible (currently drawn)
-  // part of the document. A LineView may correspond to multiple
-  // logical lines, if those are connected by collapsed ranges.
-  function LineView(doc, line, lineN) {
-    // The starting line
-    this.line = line;
-    // Continuing lines, if any
-    this.rest = visualLineContinued(line);
-    // Number of logical lines in this visual line
-    this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;
-    this.node = this.text = null;
-    this.hidden = lineIsHidden(doc, line);
-  }
-
-  // Create a range of LineView objects for the given lines.
-  function buildViewArray(cm, from, to) {
-    var array = [], nextPos;
-    for (var pos = from; pos < to; pos = nextPos) {
-      var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);
-      nextPos = pos + view.size;
-      array.push(view);
-    }
-    return array;
-  }
-
-  // Updates the display.view data structure for a given change to the
-  // document. From and to are in pre-change coordinates. Lendiff is
-  // the amount of lines added or subtracted by the change. This is
-  // used for changes that span multiple lines, or change the way
-  // lines are divided into visual lines. regLineChange (below)
-  // registers single-line changes.
-  function regChange(cm, from, to, lendiff) {
-    if (from == null) from = cm.doc.first;
-    if (to == null) to = cm.doc.first + cm.doc.size;
-    if (!lendiff) lendiff = 0;
-
-    var display = cm.display;
-    if (lendiff && to < display.viewTo &&
-        (display.updateLineNumbers == null || display.updateLineNumbers > from))
-      display.updateLineNumbers = from;
-
-    cm.curOp.viewChanged = true;
-
-    if (from >= display.viewTo) { // Change after
-      if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)
-        resetView(cm);
-    } else if (to <= display.viewFrom) { // Change before
-      if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {
-        resetView(cm);
-      } else {
-        display.viewFrom += lendiff;
-        display.viewTo += lendiff;
-      }
-    } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap
-      resetView(cm);
-    } else if (from <= display.viewFrom) { // Top overlap
-      var cut = viewCuttingPoint(cm, to, to + lendiff, 1);
-      if (cut) {
-        display.view = display.view.slice(cut.index);
-        display.viewFrom = cut.lineN;
-        display.viewTo += lendiff;
-      } else {
-        resetView(cm);
-      }
-    } else if (to >= display.viewTo) { // Bottom overlap
-      var cut = viewCuttingPoint(cm, from, from, -1);
-      if (cut) {
-        display.view = display.view.slice(0, cut.index);
-        display.viewTo = cut.lineN;
-      } else {
-        resetView(cm);
-      }
-    } else { // Gap in the middle
-      var cutTop = viewCuttingPoint(cm, from, from, -1);
-      var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);
-      if (cutTop && cutBot) {
-        display.view = display.view.slice(0, cutTop.index)
-          .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))
-          .concat(display.view.slice(cutBot.index));
-        display.viewTo += lendiff;
-      } else {
-        resetView(cm);
-      }
-    }
-
-    var ext = display.externalMeasured;
-    if (ext) {
-      if (to < ext.lineN)
-        ext.lineN += lendiff;
-      else if (from < ext.lineN + ext.size)
-        display.externalMeasured = null;
-    }
-  }
-
-  // Register a change to a single line. Type must be one of "text",
-  // "gutter", "class", "widget"
-  function regLineChange(cm, line, type) {
-    cm.curOp.viewChanged = true;
-    var display = cm.display, ext = cm.display.externalMeasured;
-    if (ext && line >= ext.lineN && line < ext.lineN + ext.size)
-      display.externalMeasured = null;
-
-    if (line < display.viewFrom || line >= display.viewTo) return;
-    var lineView = display.view[findViewIndex(cm, line)];
-    if (lineView.node == null) return;
-    var arr = lineView.changes || (lineView.changes = []);
-    if (indexOf(arr, type) == -1) arr.push(type);
-  }
-
-  // Clear the view.
-  function resetView(cm) {
-    cm.display.viewFrom = cm.display.viewTo = cm.doc.first;
-    cm.display.view = [];
-    cm.display.viewOffset = 0;
-  }
-
-  // Find the view element corresponding to a given line. Return null
-  // when the line isn't visible.
-  function findViewIndex(cm, n) {
-    if (n >= cm.display.viewTo) return null;
-    n -= cm.display.viewFrom;
-    if (n < 0) return null;
-    var view = cm.display.view;
-    for (var i = 0; i < view.length; i++) {
-      n -= view[i].size;
-      if (n < 0) return i;
-    }
-  }
-
-  function viewCuttingPoint(cm, oldN, newN, dir) {
-    var index = findViewIndex(cm, oldN), diff, view = cm.display.view;
-    if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)
-      return {index: index, lineN: newN};
-    for (var i = 0, n = cm.display.viewFrom; i < index; i++)
-      n += view[i].size;
-    if (n != oldN) {
-      if (dir > 0) {
-        if (index == view.length - 1) return null;
-        diff = (n + view[index].size) - oldN;
-        index++;
-      } else {
-        diff = n - oldN;
-      }
-      oldN += diff; newN += diff;
-    }
-    while (visualLineNo(cm.doc, newN) != newN) {
-      if (index == (dir < 0 ? 0 : view.length - 1)) return null;
-      newN += dir * view[index - (dir < 0 ? 1 : 0)].size;
-      index += dir;
-    }
-    return {index: index, lineN: newN};
-  }
-
-  // Force the view to cover a given range, adding empty view element
-  // or clipping off existing ones as needed.
-  function adjustView(cm, from, to) {
-    var display = cm.display, view = display.view;
-    if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {
-      display.view = buildViewArray(cm, from, to);
-      display.viewFrom = from;
-    } else {
-      if (display.viewFrom > from)
-        display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view);
-      else if (display.viewFrom < from)
-        display.view = display.view.slice(findViewIndex(cm, from));
-      display.viewFrom = from;
-      if (display.viewTo < to)
-        display.view = display.view.concat(buildViewArray(cm, display.viewTo, to));
-      else if (display.viewTo > to)
-        display.view = display.view.slice(0, findViewIndex(cm, to));
-    }
-    display.viewTo = to;
-  }
-
-  // Count the number of lines in the view whose DOM representation is
-  // out of date (or nonexistent).
-  function countDirtyView(cm) {
-    var view = cm.display.view, dirty = 0;
-    for (var i = 0; i < view.length; i++) {
-      var lineView = view[i];
-      if (!lineView.hidden && (!lineView.node || lineView.changes)) ++dirty;
-    }
-    return dirty;
-  }
-
-  // EVENT HANDLERS
-
-  // Attach the necessary event handlers when initializing the editor
-  function registerEventHandlers(cm) {
-    var d = cm.display;
-    on(d.scroller, "mousedown", operation(cm, onMouseDown));
-    // Older IE's will not fire a second mousedown for a double click
-    if (ie && ie_version < 11)
-      on(d.scroller, "dblclick", operation(cm, function(e) {
-        if (signalDOMEvent(cm, e)) return;
-        var pos = posFromMouse(cm, e);
-        if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) return;
-        e_preventDefault(e);
-        var word = cm.findWordAt(pos);
-        extendSelection(cm.doc, word.anchor, word.head);
-      }));
-    else
-      on(d.scroller, "dblclick", function(e) { signalDOMEvent(cm, e) || e_preventDefault(e); });
-    // Some browsers fire contextmenu *after* opening the menu, at
-    // which point we can't mess with it anymore. Context menu is
-    // handled in onMouseDown for these browsers.
-    if (!captureRightClick) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);});
-
-    // Used to suppress mouse event handling when a touch happens
-    var touchFinished, prevTouch = {end: 0};
-    function finishTouch() {
-      if (d.activeTouch) {
-        touchFinished = setTimeout(function() {d.activeTouch = null;}, 1000);
-        prevTouch = d.activeTouch;
-        prevTouch.end = +new Date;
-      }
-    };
-    function isMouseLikeTouchEvent(e) {
-      if (e.touches.length != 1) return false;
-      var touch = e.touches[0];
-      return touch.radiusX <= 1 && touch.radiusY <= 1;
-    }
-    function farAway(touch, other) {
-      if (other.left == null) return true;
-      var dx = other.left - touch.left, dy = other.top - touch.top;
-      return dx * dx + dy * dy > 20 * 20;
-    }
-    on(d.scroller, "touchstart", function(e) {
-      if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e)) {
-        clearTimeout(touchFinished);
-        var now = +new Date;
-        d.activeTouch = {start: now, moved: false,
-                         prev: now - prevTouch.end <= 300 ? prevTouch : null};
-        if (e.touches.length == 1) {
-          d.activeTouch.left = e.touches[0].pageX;
-          d.activeTouch.top = e.touches[0].pageY;
-        }
-      }
-    });
-    on(d.scroller, "touchmove", function() {
-      if (d.activeTouch) d.activeTouch.moved = true;
-    });
-    on(d.scroller, "touchend", function(e) {
-      var touch = d.activeTouch;
-      if (touch && !eventInWidget(d, e) && touch.left != null &&
-          !touch.moved && new Date - touch.start < 300) {
-        var pos = cm.coordsChar(d.activeTouch, "page"), range;
-        if (!touch.prev || farAway(touch, touch.prev)) // Single tap
-          range = new Range(pos, pos);
-        else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap
-          range = cm.findWordAt(pos);
-        else // Triple tap
-          range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0)));
-        cm.setSelection(range.anchor, range.head);
-        cm.focus();
-        e_preventDefault(e);
-      }
-      finishTouch();
-    });
-    on(d.scroller, "touchcancel", finishTouch);
-
-    // Sync scrolling between fake scrollbars and real scrollable
-    // area, ensure viewport is updated when scrolling.
-    on(d.scroller, "scroll", function() {
-      if (d.scroller.clientHeight) {
-        setScrollTop(cm, d.scroller.scrollTop);
-        setScrollLeft(cm, d.scroller.scrollLeft, true);
-        signal(cm, "scroll", cm);
-      }
-    });
-
-    // Listen to wheel events in order to try and update the viewport on time.
-    on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);});
-    on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);});
-
-    // Prevent wrapper from ever scrolling
-    on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });
-
-    d.dragFunctions = {
-      enter: function(e) {if (!signalDOMEvent(cm, e)) e_stop(e);},
-      over: function(e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }},
-      start: function(e){onDragStart(cm, e);},
-      drop: operation(cm, onDrop),
-      leave: function() {clearDragCursor(cm);}
-    };
-
-    var inp = d.input.getField();
-    on(inp, "keyup", function(e) { onKeyUp.call(cm, e); });
-    on(inp, "keydown", operation(cm, onKeyDown));
-    on(inp, "keypress", operation(cm, onKeyPress));
-    on(inp, "focus", bind(onFocus, cm));
-    on(inp, "blur", bind(onBlur, cm));
-  }
-
-  function dragDropChanged(cm, value, old) {
-    var wasOn = old && old != CodeMirror.Init;
-    if (!value != !wasOn) {
-      var funcs = cm.display.dragFunctions;
-      var toggle = value ? on : off;
-      toggle(cm.display.scroller, "dragstart", funcs.start);
-      toggle(cm.display.scroller, "dragenter", funcs.enter);
-      toggle(cm.display.scroller, "dragover", funcs.over);
-      toggle(cm.display.scroller, "dragleave", funcs.leave);
-      toggle(cm.display.scroller, "drop", funcs.drop);
-    }
-  }
-
-  // Called when the window resizes
-  function onResize(cm) {
-    var d = cm.display;
-    if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth)
-      return;
-    // Might be a text scaling operation, clear size caches.
-    d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
-    d.scrollbarsClipped = false;
-    cm.setSize();
-  }
-
-  // MOUSE EVENTS
-
-  // Return true when the given mouse event happened in a widget
-  function eventInWidget(display, e) {
-    for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
-      if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") ||
-          (n.parentNode == display.sizer && n != display.mover))
-        return true;
-    }
-  }
-
-  // Given a mouse event, find the corresponding position. If liberal
-  // is false, it checks whether a gutter or scrollbar was clicked,
-  // and returns null if it was. forRect is used by rectangular
-  // selections, and tries to estimate a character position even for
-  // coordinates beyond the right of the text.
-  function posFromMouse(cm, e, liberal, forRect) {
-    var display = cm.display;
-    if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") return null;
-
-    var x, y, space = display.lineSpace.getBoundingClientRect();
-    // Fails unpredictably on IE[67] when mouse is dragged around quickly.
-    try { x = e.clientX - space.left; y = e.clientY - space.top; }
-    catch (e) { return null; }
-    var coords = coordsChar(cm, x, y), line;
-    if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {
-      var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;
-      coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));
-    }
-    return coords;
-  }
-
-  // A mouse down can be a single click, double click, triple click,
-  // start of selection drag, start of text drag, new cursor
-  // (ctrl-click), rectangle drag (alt-drag), or xwin
-  // middle-click-paste. Or it might be a click on something we should
-  // not interfere with, such as a scrollbar or widget.
-  function onMouseDown(e) {
-    var cm = this, display = cm.display;
-    if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) return;
-    display.shift = e.shiftKey;
-
-    if (eventInWidget(display, e)) {
-      if (!webkit) {
-        // Briefly turn off draggability, to allow widgets to do
-        // normal dragging things.
-        display.scroller.draggable = false;
-        setTimeout(function(){display.scroller.draggable = true;}, 100);
-      }
-      return;
-    }
-    if (clickInGutter(cm, e)) return;
-    var start = posFromMouse(cm, e);
-    window.focus();
-
-    switch (e_button(e)) {
-    case 1:
-      // #3261: make sure, that we're not starting a second selection
-      if (cm.state.selectingText)
-        cm.state.selectingText(e);
-      else if (start)
-        leftButtonDown(cm, e, start);
-      else if (e_target(e) == display.scroller)
-        e_preventDefault(e);
-      break;
-    case 2:
-      if (webkit) cm.state.lastMiddleDown = +new Date;
-      if (start) extendSelection(cm.doc, start);
-      setTimeout(function() {display.input.focus();}, 20);
-      e_preventDefault(e);
-      break;
-    case 3:
-      if (captureRightClick) onContextMenu(cm, e);
-      else delayBlurEvent(cm);
-      break;
-    }
-  }
-
-  var lastClick, lastDoubleClick;
-  function leftButtonDown(cm, e, start) {
-    if (ie) setTimeout(bind(ensureFocus, cm), 0);
-    else cm.curOp.focus = activeElt();
-
-    var now = +new Date, type;
-    if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) {
-      type = "triple";
-    } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) {
-      type = "double";
-      lastDoubleClick = {time: now, pos: start};
-    } else {
-      type = "single";
-      lastClick = {time: now, pos: start};
-    }
-
-    var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey, contained;
-    if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() &&
-        type == "single" && (contained = sel.contains(start)) > -1 &&
-        (cmp((contained = sel.ranges[contained]).from(), start) < 0 || start.xRel > 0) &&
-        (cmp(contained.to(), start) > 0 || start.xRel < 0))
-      leftButtonStartDrag(cm, e, start, modifier);
-    else
-      leftButtonSelect(cm, e, start, type, modifier);
-  }
-
-  // Start a text drag. When it ends, see if any dragging actually
-  // happen, and treat as a click if it didn't.
-  function leftButtonStartDrag(cm, e, start, modifier) {
-    var display = cm.display, startTime = +new Date;
-    var dragEnd = operation(cm, function(e2) {
-      if (webkit) display.scroller.draggable = false;
-      cm.state.draggingText = false;
-      off(document, "mouseup", dragEnd);
-      off(display.scroller, "drop", dragEnd);
-      if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) {
-        e_preventDefault(e2);
-        if (!modifier && +new Date - 200 < startTime)
-          extendSelection(cm.doc, start);
-        // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)
-        if (webkit || ie && ie_version == 9)
-          setTimeout(function() {document.body.focus(); display.input.focus();}, 20);
-        else
-          display.input.focus();
-      }
-    });
-    // Let the drag handler handle this.
-    if (webkit) display.scroller.draggable = true;
-    cm.state.draggingText = dragEnd;
-    // IE's approach to draggable
-    if (display.scroller.dragDrop) display.scroller.dragDrop();
-    on(document, "mouseup", dragEnd);
-    on(display.scroller, "drop", dragEnd);
-  }
-
-  // Normal selection, as opposed to text dragging.
-  function leftButtonSelect(cm, e, start, type, addNew) {
-    var display = cm.display, doc = cm.doc;
-    e_preventDefault(e);
-
-    var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges;
-    if (addNew && !e.shiftKey) {
-      ourIndex = doc.sel.contains(start);
-      if (ourIndex > -1)
-        ourRange = ranges[ourIndex];
-      else
-        ourRange = new Range(start, start);
-    } else {
-      ourRange = doc.sel.primary();
-      ourIndex = doc.sel.primIndex;
-    }
-
-    if (e.altKey) {
-      type = "rect";
-      if (!addNew) ourRange = new Range(start, start);
-      start = posFromMouse(cm, e, true, true);
-      ourIndex = -1;
-    } else if (type == "double") {
-      var word = cm.findWordAt(start);
-      if (cm.display.shift || doc.extend)
-        ourRange = extendRange(doc, ourRange, word.anchor, word.head);
-      else
-        ourRange = word;
-    } else if (type == "triple") {
-      var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0)));
-      if (cm.display.shift || doc.extend)
-        ourRange = extendRange(doc, ourRange, line.anchor, line.head);
-      else
-        ourRange = line;
-    } else {
-      ourRange = extendRange(doc, ourRange, start);
-    }
-
-    if (!addNew) {
-      ourIndex = 0;
-      setSelection(doc, new Selection([ourRange], 0), sel_mouse);
-      startSel = doc.sel;
-    } else if (ourIndex == -1) {
-      ourIndex = ranges.length;
-      setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex),
-                   {scroll: false, origin: "*mouse"});
-    } else if (ranges.length > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) {
-      setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),
-                   {scroll: false, origin: "*mouse"});
-      startSel = doc.sel;
-    } else {
-      replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);
-    }
-
-    var lastPos = start;
-    function extendTo(pos) {
-      if (cmp(lastPos, pos) == 0) return;
-      lastPos = pos;
-
-      if (type == "rect") {
-        var ranges = [], tabSize = cm.options.tabSize;
-        var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);
-        var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);
-        var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);
-        for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));
-             line <= end; line++) {
-          var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);
-          if (left == right)
-            ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos)));
-          else if (text.length > leftPos)
-            ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize))));
-        }
-        if (!ranges.length) ranges.push(new Range(start, start));
-        setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),
-                     {origin: "*mouse", scroll: false});
-        cm.scrollIntoView(pos);
-      } else {
-        var oldRange = ourRange;
-        var anchor = oldRange.anchor, head = pos;
-        if (type != "single") {
-          if (type == "double")
-            var range = cm.findWordAt(pos);
-          else
-            var range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0)));
-          if (cmp(range.anchor, anchor) > 0) {
-            head = range.head;
-            anchor = minPos(oldRange.from(), range.anchor);
-          } else {
-            head = range.anchor;
-            anchor = maxPos(oldRange.to(), range.head);
-          }
-        }
-        var ranges = startSel.ranges.slice(0);
-        ranges[ourIndex] = new Range(clipPos(doc, anchor), head);
-        setSelection(doc, normalizeSelection(ranges, ourIndex), sel_mouse);
-      }
-    }
-
-    var editorSize = display.wrapper.getBoundingClientRect();
-    // Used to ensure timeout re-tries don't fire when another extend
-    // happened in the meantime (clearTimeout isn't reliable -- at
-    // least on Chrome, the timeouts still happen even when cleared,
-    // if the clear happens after their scheduled firing time).
-    var counter = 0;
-
-    function extend(e) {
-      var curCount = ++counter;
-      var cur = posFromMouse(cm, e, true, type == "rect");
-      if (!cur) return;
-      if (cmp(cur, lastPos) != 0) {
-        cm.curOp.focus = activeElt();
-        extendTo(cur);
-        var visible = visibleLines(display, doc);
-        if (cur.line >= visible.to || cur.line < visible.from)
-          setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150);
-      } else {
-        var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
-        if (outside) setTimeout(operation(cm, function() {
-          if (counter != curCount) return;
-          display.scroller.scrollTop += outside;
-          extend(e);
-        }), 50);
-      }
-    }
-
-    function done(e) {
-      cm.state.selectingText = false;
-      counter = Infinity;
-      e_preventDefault(e);
-      display.input.focus();
-      off(document, "mousemove", move);
-      off(document, "mouseup", up);
-      doc.history.lastSelOrigin = null;
-    }
-
-    var move = operation(cm, function(e) {
-      if (!e_button(e)) done(e);
-      else extend(e);
-    });
-    var up = operation(cm, done);
-    cm.state.selectingText = up;
-    on(document, "mousemove", move);
-    on(document, "mouseup", up);
-  }
-
-  // Determines whether an event happened in the gutter, and fires the
-  // handlers for the corresponding event.
-  function gutterEvent(cm, e, type, prevent) {
-    try { var mX = e.clientX, mY = e.clientY; }
-    catch(e) { return false; }
-    if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) return false;
-    if (prevent) e_preventDefault(e);
-
-    var display = cm.display;
-    var lineBox = display.lineDiv.getBoundingClientRect();
-
-    if (mY > lineBox.bottom || !hasHandler(cm, type)) return e_defaultPrevented(e);
-    mY -= lineBox.top - display.viewOffset;
-
-    for (var i = 0; i < cm.options.gutters.length; ++i) {
-      var g = display.gutters.childNodes[i];
-      if (g && g.getBoundingClientRect().right >= mX) {
-        var line = lineAtHeight(cm.doc, mY);
-        var gutter = cm.options.gutters[i];
-        signal(cm, type, cm, line, gutter, e);
-        return e_defaultPrevented(e);
-      }
-    }
-  }
-
-  function clickInGutter(cm, e) {
-    return gutterEvent(cm, e, "gutterClick", true);
-  }
-
-  // Kludge to work around strange IE behavior where it'll sometimes
-  // re-fire a series of drag-related events right after the drop (#1551)
-  var lastDrop = 0;
-
-  function onDrop(e) {
-    var cm = this;
-    clearDragCursor(cm);
-    if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))
-      return;
-    e_preventDefault(e);
-    if (ie) lastDrop = +new Date;
-    var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
-    if (!pos || cm.isReadOnly()) return;
-    // Might be a file drop, in which case we simply extract the text
-    // and insert it.
-    if (files && files.length && window.FileReader && window.File) {
-      var n = files.length, text = Array(n), read = 0;
-      var loadFile = function(file, i) {
-        if (cm.options.allowDropFileTypes &&
-            indexOf(cm.options.allowDropFileTypes, file.type) == -1)
-          return;
-
-        var reader = new FileReader;
-        reader.onload = operation(cm, function() {
-          var content = reader.result;
-          if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) content = "";
-          text[i] = content;
-          if (++read == n) {
-            pos = clipPos(cm.doc, pos);
-            var change = {from: pos, to: pos,
-                          text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())),
-                          origin: "paste"};
-            makeChange(cm.doc, change);
-            setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change)));
-          }
-        });
-        reader.readAsText(file);
-      };
-      for (var i = 0; i < n; ++i) loadFile(files[i], i);
-    } else { // Normal drop
-      // Don't do a replace if the drop happened inside of the selected text.
-      if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {
-        cm.state.draggingText(e);
-        // Ensure the editor is re-focused
-        setTimeout(function() {cm.display.input.focus();}, 20);
-        return;
-      }
-      try {
-        var text = e.dataTransfer.getData("Text");
-        if (text) {
-          if (cm.state.draggingText && !(mac ? e.altKey : e.ctrlKey))
-            var selected = cm.listSelections();
-          setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));
-          if (selected) for (var i = 0; i < selected.length; ++i)
-            replaceRange(cm.doc, "", selected[i].anchor, selected[i].head, "drag");
-          cm.replaceSelection(text, "around", "paste");
-          cm.display.input.focus();
-        }
-      }
-      catch(e){}
-    }
-  }
-
-  function onDragStart(cm, e) {
-    if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return; }
-    if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return;
-
-    e.dataTransfer.setData("Text", cm.getSelection());
-
-    // Use dummy image instead of default browsers image.
-    // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
-    if (e.dataTransfer.setDragImage && !safari) {
-      var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");
-      img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
-      if (presto) {
-        img.width = img.height = 1;
-        cm.display.wrapper.appendChild(img);
-        // Force a relayout, or Opera won't use our image for some obscure reason
-        img._top = img.offsetTop;
-      }
-      e.dataTransfer.setDragImage(img, 0, 0);
-      if (presto) img.parentNode.removeChild(img);
-    }
-  }
-
-  function onDragOver(cm, e) {
-    var pos = posFromMouse(cm, e);
-    if (!pos) return;
-    var frag = document.createDocumentFragment();
-    drawSelectionCursor(cm, pos, frag);
-    if (!cm.display.dragCursor) {
-      cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors");
-      cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv);
-    }
-    removeChildrenAndAdd(cm.display.dragCursor, frag);
-  }
-
-  function clearDragCursor(cm) {
-    if (cm.display.dragCursor) {
-      cm.display.lineSpace.removeChild(cm.display.dragCursor);
-      cm.display.dragCursor = null;
-    }
-  }
-
-  // SCROLL EVENTS
-
-  // Sync the scrollable area and scrollbars, ensure the viewport
-  // covers the visible area.
-  function setScrollTop(cm, val) {
-    if (Math.abs(cm.doc.scrollTop - val) < 2) return;
-    cm.doc.scrollTop = val;
-    if (!gecko) updateDisplaySimple(cm, {top: val});
-    if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val;
-    cm.display.scrollbars.setScrollTop(val);
-    if (gecko) updateDisplaySimple(cm);
-    startWorker(cm, 100);
-  }
-  // Sync scroller and scrollbar, ensure the gutter elements are
-  // aligned.
-  function setScrollLeft(cm, val, isScroller) {
-    if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) return;
-    val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth);
-    cm.doc.scrollLeft = val;
-    alignHorizontally(cm);
-    if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val;
-    cm.display.scrollbars.setScrollLeft(val);
-  }
-
   // Since the delta values reported on mouse wheel events are
   // unstandardized between browsers and even browser versions, and
   // generally horribly unpredictable, this code starts by measuring
@@ -3976,24 +4446,24 b''
   // know one. These don't have to be accurate -- the result of them
   // being wrong would just be a slight flicker on the first wheel
   // scroll (if it is large enough).
-  if (ie) wheelPixelsPerUnit = -.53;
-  else if (gecko) wheelPixelsPerUnit = 15;
-  else if (chrome) wheelPixelsPerUnit = -.7;
-  else if (safari) wheelPixelsPerUnit = -1/3;
-
-  var wheelEventDelta = function(e) {
+  if (ie) { wheelPixelsPerUnit = -.53; }
+  else if (gecko) { wheelPixelsPerUnit = 15; }
+  else if (chrome) { wheelPixelsPerUnit = -.7; }
+  else if (safari) { wheelPixelsPerUnit = -1/3; }
+
+  function wheelEventDelta(e) {
     var dx = e.wheelDeltaX, dy = e.wheelDeltaY;
-    if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail;
-    if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail;
-    else if (dy == null) dy = e.wheelDelta;
-    return {x: dx, y: dy};
-  };
-  CodeMirror.wheelEventPixels = function(e) {
+    if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; }
+    if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; }
+    else if (dy == null) { dy = e.wheelDelta; }
+    return {x: dx, y: dy}
+  }
+  function wheelEventPixels(e) {
     var delta = wheelEventDelta(e);
     delta.x *= wheelPixelsPerUnit;
     delta.y *= wheelPixelsPerUnit;
-    return delta;
-  };
+    return delta
+  }
 
   function onScrollWheel(cm, e) {
     var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y;
@@ -4002,7 +4472,7 b''
     // Quit if there's nothing to scroll here
     var canScrollX = scroll.scrollWidth > scroll.clientWidth;
     var canScrollY = scroll.scrollHeight > scroll.clientHeight;
-    if (!(dx && canScrollX || dy && canScrollY)) return;
+    if (!(dx && canScrollX || dy && canScrollY)) { return }
 
     // Webkit browsers on OS X abort momentum scrolls when the target
     // of the scroll event is removed from the scrollable element.
@@ -4013,7 +4483,7 b''
         for (var i = 0; i < view.length; i++) {
           if (view[i].node == cur) {
             cm.display.currentWheelTarget = cur;
-            break outer;
+            break outer
           }
         }
       }
@@ -4027,16 +4497,16 b''
     // better than glitching out.
     if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {
       if (dy && canScrollY)
-        setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight)));
-      setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth)));
+        { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * wheelPixelsPerUnit)); }
+      setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * wheelPixelsPerUnit));
       // Only prevent default scrolling if vertical scrolling is
       // actually possible. Otherwise, it causes vertical scroll
       // jitter on OSX trackpads when deltaX is small and deltaY
       // is large (issue #3579)
       if (!dy || (dy && canScrollY))
-        e_preventDefault(e);
+        { e_preventDefault(e); }
       display.wheelStartX = null; // Abort measurement, if in progress
-      return;
+      return
     }
 
     // 'Project' the visible viewport to cover the area that is being
@@ -4044,8 +4514,8 b''
     if (dy && wheelPixelsPerUnit != null) {
       var pixels = dy * wheelPixelsPerUnit;
       var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;
-      if (pixels < 0) top = Math.max(0, top + pixels - 50);
-      else bot = Math.min(cm.doc.height, bot + pixels + 50);
+      if (pixels < 0) { top = Math.max(0, top + pixels - 50); }
+      else { bot = Math.min(cm.doc.height, bot + pixels + 50); }
       updateDisplaySimple(cm, {top: top, bottom: bot});
     }
 
@@ -4053,14 +4523,14 b''
       if (display.wheelStartX == null) {
         display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;
         display.wheelDX = dx; display.wheelDY = dy;
-        setTimeout(function() {
-          if (display.wheelStartX == null) return;
+        setTimeout(function () {
+          if (display.wheelStartX == null) { return }
           var movedX = scroll.scrollLeft - display.wheelStartX;
           var movedY = scroll.scrollTop - display.wheelStartY;
           var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||
             (movedX && display.wheelDX && movedX / display.wheelDX);
           display.wheelStartX = display.wheelStartY = null;
-          if (!sample) return;
+          if (!sample) { return }
           wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
           ++wheelSamples;
         }, 200);
@@ -4070,226 +4540,109 b''
     }
   }
 
-  // KEY EVENTS
-
-  // Run a handler that was bound to a key.
-  function doHandleBinding(cm, bound, dropShift) {
-    if (typeof bound == "string") {
-      bound = commands[bound];
-      if (!bound) return false;
-    }
-    // Ensure previous input has been read, so that the handler sees a
-    // consistent view of the document
-    cm.display.input.ensurePolled();
-    var prevShift = cm.display.shift, done = false;
-    try {
-      if (cm.isReadOnly()) cm.state.suppressEdits = true;
-      if (dropShift) cm.display.shift = false;
-      done = bound(cm) != Pass;
-    } finally {
-      cm.display.shift = prevShift;
-      cm.state.suppressEdits = false;
-    }
-    return done;
-  }
-
-  function lookupKeyForEditor(cm, name, handle) {
-    for (var i = 0; i < cm.state.keyMaps.length; i++) {
-      var result = lookupKey(name, cm.state.keyMaps[i], handle, cm);
-      if (result) return result;
-    }
-    return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))
-      || lookupKey(name, cm.options.keyMap, handle, cm);
-  }
-
-  var stopSeq = new Delayed;
-  function dispatchKey(cm, name, e, handle) {
-    var seq = cm.state.keySeq;
-    if (seq) {
-      if (isModifierKey(name)) return "handled";
-      stopSeq.set(50, function() {
-        if (cm.state.keySeq == seq) {
-          cm.state.keySeq = null;
-          cm.display.input.reset();
-        }
-      });
-      name = seq + " " + name;
-    }
-    var result = lookupKeyForEditor(cm, name, handle);
-
-    if (result == "multi")
-      cm.state.keySeq = name;
-    if (result == "handled")
-      signalLater(cm, "keyHandled", cm, name, e);
-
-    if (result == "handled" || result == "multi") {
-      e_preventDefault(e);
-      restartBlink(cm);
-    }
-
-    if (seq && !result && /\'$/.test(name)) {
-      e_preventDefault(e);
-      return true;
-    }
-    return !!result;
-  }
-
-  // Handle a key from the keydown event.
-  function handleKeyBinding(cm, e) {
-    var name = keyName(e, true);
-    if (!name) return false;
-
-    if (e.shiftKey && !cm.state.keySeq) {
-      // First try to resolve full name (including 'Shift-'). Failing
-      // that, see if there is a cursor-motion command (starting with
-      // 'go') bound to the keyname without 'Shift-'.
-      return dispatchKey(cm, "Shift-" + name, e, function(b) {return doHandleBinding(cm, b, true);})
-          || dispatchKey(cm, name, e, function(b) {
-               if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
-                 return doHandleBinding(cm, b);
-             });
-    } else {
-      return dispatchKey(cm, name, e, function(b) { return doHandleBinding(cm, b); });
-    }
-  }
-
-  // Handle a key from the keypress event
-  function handleCharBinding(cm, e, ch) {
-    return dispatchKey(cm, "'" + ch + "'", e,
-                       function(b) { return doHandleBinding(cm, b, true); });
-  }
-
-  var lastStoppedKey = null;
-  function onKeyDown(e) {
-    var cm = this;
-    cm.curOp.focus = activeElt();
-    if (signalDOMEvent(cm, e)) return;
-    // IE does strange things with escape.
-    if (ie && ie_version < 11 && e.keyCode == 27) e.returnValue = false;
-    var code = e.keyCode;
-    cm.display.shift = code == 16 || e.shiftKey;
-    var handled = handleKeyBinding(cm, e);
-    if (presto) {
-      lastStoppedKey = handled ? code : null;
-      // Opera has no cut event... we try to at least catch the key combo
-      if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
-        cm.replaceSelection("", null, "cut");
-    }
-
-    // Turn mouse into crosshair when Alt is held on Mac.
-    if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className))
-      showCrossHair(cm);
-  }
-
-  function showCrossHair(cm) {
-    var lineDiv = cm.display.lineDiv;
-    addClass(lineDiv, "CodeMirror-crosshair");
-
-    function up(e) {
-      if (e.keyCode == 18 || !e.altKey) {
-        rmClass(lineDiv, "CodeMirror-crosshair");
-        off(document, "keyup", up);
-        off(document, "mouseover", up);
-      }
-    }
-    on(document, "keyup", up);
-    on(document, "mouseover", up);
-  }
-
-  function onKeyUp(e) {
-    if (e.keyCode == 16) this.doc.sel.shift = false;
-    signalDOMEvent(this, e);
-  }
-
-  function onKeyPress(e) {
-    var cm = this;
-    if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) return;
-    var keyCode = e.keyCode, charCode = e.charCode;
-    if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;}
-    if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) return;
-    var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
-    if (handleCharBinding(cm, e, ch)) return;
-    cm.display.input.onKeyPress(e);
-  }
-
-  // FOCUS/BLUR EVENTS
-
-  function delayBlurEvent(cm) {
-    cm.state.delayingBlurEvent = true;
-    setTimeout(function() {
-      if (cm.state.delayingBlurEvent) {
-        cm.state.delayingBlurEvent = false;
-        onBlur(cm);
-      }
-    }, 100);
-  }
-
-  function onFocus(cm) {
-    if (cm.state.delayingBlurEvent) cm.state.delayingBlurEvent = false;
-
-    if (cm.options.readOnly == "nocursor") return;
-    if (!cm.state.focused) {
-      signal(cm, "focus", cm);
-      cm.state.focused = true;
-      addClass(cm.display.wrapper, "CodeMirror-focused");
-      // This test prevents this from firing when a context
-      // menu is closed (since the input reset would kill the
-      // select-all detection hack)
-      if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {
-        cm.display.input.reset();
-        if (webkit) setTimeout(function() { cm.display.input.reset(true); }, 20); // Issue #1730
-      }
-      cm.display.input.receivedFocus();
-    }
-    restartBlink(cm);
-  }
-  function onBlur(cm) {
-    if (cm.state.delayingBlurEvent) return;
-
-    if (cm.state.focused) {
-      signal(cm, "blur", cm);
-      cm.state.focused = false;
-      rmClass(cm.display.wrapper, "CodeMirror-focused");
-    }
-    clearInterval(cm.display.blinker);
-    setTimeout(function() {if (!cm.state.focused) cm.display.shift = false;}, 150);
-  }
-
-  // CONTEXT MENU HANDLING
-
-  // To make the context menu work, we need to briefly unhide the
-  // textarea (making it as unobtrusive as possible) to let the
-  // right-click take effect on it.
-  function onContextMenu(cm, e) {
-    if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) return;
-    if (signalDOMEvent(cm, e, "contextmenu")) return;
-    cm.display.input.onContextMenu(e);
-  }
-
-  function contextMenuInGutter(cm, e) {
-    if (!hasHandler(cm, "gutterContextMenu")) return false;
-    return gutterEvent(cm, e, "gutterContextMenu", false);
-  }
-
-  // UPDATING
+  // Selection objects are immutable. A new one is created every time
+  // the selection changes. A selection is one or more non-overlapping
+  // (and non-touching) ranges, sorted, and an integer that indicates
+  // which one is the primary selection (the one that's scrolled into
+  // view, that getCursor returns, etc).
+  var Selection = function(ranges, primIndex) {
+    this.ranges = ranges;
+    this.primIndex = primIndex;
+  };
+
+  Selection.prototype.primary = function () { return this.ranges[this.primIndex] };
+
+  Selection.prototype.equals = function (other) {
+      var this$1 = this;
+
+    if (other == this) { return true }
+    if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false }
+    for (var i = 0; i < this.ranges.length; i++) {
+      var here = this$1.ranges[i], there = other.ranges[i];
+      if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false }
+    }
+    return true
+  };
+
+  Selection.prototype.deepCopy = function () {
+      var this$1 = this;
+
+    var out = [];
+    for (var i = 0; i < this.ranges.length; i++)
+      { out[i] = new Range(copyPos(this$1.ranges[i].anchor), copyPos(this$1.ranges[i].head)); }
+    return new Selection(out, this.primIndex)
+  };
+
+  Selection.prototype.somethingSelected = function () {
+      var this$1 = this;
+
+    for (var i = 0; i < this.ranges.length; i++)
+      { if (!this$1.ranges[i].empty()) { return true } }
+    return false
+  };
+
+  Selection.prototype.contains = function (pos, end) {
+      var this$1 = this;
+
+    if (!end) { end = pos; }
+    for (var i = 0; i < this.ranges.length; i++) {
+      var range = this$1.ranges[i];
+      if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)
+        { return i }
+    }
+    return -1
+  };
+
+  var Range = function(anchor, head) {
+    this.anchor = anchor; this.head = head;
+  };
+
+  Range.prototype.from = function () { return minPos(this.anchor, this.head) };
+  Range.prototype.to = function () { return maxPos(this.anchor, this.head) };
+  Range.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch };
+
+  // Take an unsorted, potentially overlapping set of ranges, and
+  // build a selection out of it. 'Consumes' ranges array (modifying
+  // it).
+  function normalizeSelection(cm, ranges, primIndex) {
+    var mayTouch = cm && cm.options.selectionsMayTouch;
+    var prim = ranges[primIndex];
+    ranges.sort(function (a, b) { return cmp(a.from(), b.from()); });
+    primIndex = indexOf(ranges, prim);
+    for (var i = 1; i < ranges.length; i++) {
+      var cur = ranges[i], prev = ranges[i - 1];
+      var diff = cmp(prev.to(), cur.from());
+      if (mayTouch && !cur.empty() ? diff > 0 : diff >= 0) {
+        var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());
+        var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;
+        if (i <= primIndex) { --primIndex; }
+        ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));
+      }
+    }
+    return new Selection(ranges, primIndex)
+  }
+
+  function simpleSelection(anchor, head) {
+    return new Selection([new Range(anchor, head || anchor)], 0)
+  }
 
   // Compute the position of the end of a change (its 'to' property
   // refers to the pre-change end).
-  var changeEnd = CodeMirror.changeEnd = function(change) {
-    if (!change.text) return change.to;
+  function changeEnd(change) {
+    if (!change.text) { return change.to }
     return Pos(change.from.line + change.text.length - 1,
-               lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0));
-  };
+               lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0))
+  }
 
   // Adjust a position to refer to the post-change position of the
   // same text, or the end of the change if the change covers it.
   function adjustForChange(pos, change) {
-    if (cmp(pos, change.from) < 0) return pos;
-    if (cmp(pos, change.to) <= 0) return changeEnd(change);
+    if (cmp(pos, change.from) < 0) { return pos }
+    if (cmp(pos, change.to) <= 0) { return changeEnd(change) }
 
     var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;
-    if (pos.line == change.to.line) ch += changeEnd(change).ch - change.to.ch;
-    return Pos(line, ch);
+    if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; }
+    return Pos(line, ch)
   }
 
   function computeSelAfterChange(doc, change) {
@@ -4299,14 +4652,14 b''
       out.push(new Range(adjustForChange(range.anchor, change),
                          adjustForChange(range.head, change)));
     }
-    return normalizeSelection(out, doc.sel.primIndex);
+    return normalizeSelection(doc.cm, out, doc.sel.primIndex)
   }
 
   function offsetPos(pos, old, nw) {
     if (pos.line == old.line)
-      return Pos(nw.line, pos.ch - old.ch + nw.ch);
+      { return Pos(nw.line, pos.ch - old.ch + nw.ch) }
     else
-      return Pos(nw.line + (pos.line - old.line), pos.ch);
+      { return Pos(nw.line + (pos.line - old.line), pos.ch) }
   }
 
   // Used by replaceSelections to allow moving the selection to the
@@ -4327,2823 +4680,25 b''
         out[i] = new Range(from, from);
       }
     }
-    return new Selection(out, doc.sel.primIndex);
-  }
-
-  // Allow "beforeChange" event handlers to influence a change
-  function filterChange(doc, change, update) {
-    var obj = {
-      canceled: false,
-      from: change.from,
-      to: change.to,
-      text: change.text,
-      origin: change.origin,
-      cancel: function() { this.canceled = true; }
-    };
-    if (update) obj.update = function(from, to, text, origin) {
-      if (from) this.from = clipPos(doc, from);
-      if (to) this.to = clipPos(doc, to);
-      if (text) this.text = text;
-      if (origin !== undefined) this.origin = origin;
-    };
-    signal(doc, "beforeChange", doc, obj);
-    if (doc.cm) signal(doc.cm, "beforeChange", doc.cm, obj);
-
-    if (obj.canceled) return null;
-    return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin};
-  }
-
-  // Apply a change to a document, and add it to the document's
-  // history, and propagating it to all linked documents.
-  function makeChange(doc, change, ignoreReadOnly) {
-    if (doc.cm) {
-      if (!doc.cm.curOp) return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly);
-      if (doc.cm.state.suppressEdits) return;
-    }
-
-    if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {
-      change = filterChange(doc, change, true);
-      if (!change) return;
-    }
-
-    // Possibly split or suppress the update based on the presence
-    // of read-only spans in its range.
-    var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);
-    if (split) {
-      for (var i = split.length - 1; i >= 0; --i)
-        makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text});
-    } else {
-      makeChangeInner(doc, change);
-    }
-  }
-
-  function makeChangeInner(doc, change) {
-    if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) return;
-    var selAfter = computeSelAfterChange(doc, change);
-    addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);
-
-    makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));
-    var rebased = [];
-
-    linkedDocs(doc, function(doc, sharedHist) {
-      if (!sharedHist && indexOf(rebased, doc.history) == -1) {
-        rebaseHist(doc.history, change);
-        rebased.push(doc.history);
-      }
-      makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));
-    });
-  }
-
-  // Revert a change stored in a document's history.
-  function makeChangeFromHistory(doc, type, allowSelectionOnly) {
-    if (doc.cm && doc.cm.state.suppressEdits) return;
-
-    var hist = doc.history, event, selAfter = doc.sel;
-    var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done;
-
-    // Verify that there is a useable event (so that ctrl-z won't
-    // needlessly clear selection events)
-    for (var i = 0; i < source.length; i++) {
-      event = source[i];
-      if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)
-        break;
-    }
-    if (i == source.length) return;
-    hist.lastOrigin = hist.lastSelOrigin = null;
-
-    for (;;) {
-      event = source.pop();
-      if (event.ranges) {
-        pushSelectionToHistory(event, dest);
-        if (allowSelectionOnly && !event.equals(doc.sel)) {
-          setSelection(doc, event, {clearRedo: false});
-          return;
-        }
-        selAfter = event;
-      }
-      else break;
-    }
-
-    // Build up a reverse change object to add to the opposite history
-    // stack (redo when undoing, and vice versa).
-    var antiChanges = [];
-    pushSelectionToHistory(selAfter, dest);
-    dest.push({changes: antiChanges, generation: hist.generation});
-    hist.generation = event.generation || ++hist.maxGeneration;
-
-    var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange");
-
-    for (var i = event.changes.length - 1; i >= 0; --i) {
-      var change = event.changes[i];
-      change.origin = type;
-      if (filter && !filterChange(doc, change, false)) {
-        source.length = 0;
-        return;
-      }
-
-      antiChanges.push(historyChangeFromChange(doc, change));
-
-      var after = i ? computeSelAfterChange(doc, change) : lst(source);
-      makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));
-      if (!i && doc.cm) doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)});
-      var rebased = [];
-
-      // Propagate to the linked documents
-      linkedDocs(doc, function(doc, sharedHist) {
-        if (!sharedHist && indexOf(rebased, doc.history) == -1) {
-          rebaseHist(doc.history, change);
-          rebased.push(doc.history);
-        }
-        makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));
-      });
-    }
-  }
-
-  // Sub-views need their line numbers shifted when text is added
-  // above or below them in the parent document.
-  function shiftDoc(doc, distance) {
-    if (distance == 0) return;
-    doc.first += distance;
-    doc.sel = new Selection(map(doc.sel.ranges, function(range) {
-      return new Range(Pos(range.anchor.line + distance, range.anchor.ch),
-                       Pos(range.head.line + distance, range.head.ch));
-    }), doc.sel.primIndex);
-    if (doc.cm) {
-      regChange(doc.cm, doc.first, doc.first - distance, distance);
-      for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)
-        regLineChange(doc.cm, l, "gutter");
-    }
-  }
-
-  // More lower-level change function, handling only a single document
-  // (not linked ones).
-  function makeChangeSingleDoc(doc, change, selAfter, spans) {
-    if (doc.cm && !doc.cm.curOp)
-      return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans);
-
-    if (change.to.line < doc.first) {
-      shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));
-      return;
-    }
-    if (change.from.line > doc.lastLine()) return;
-
-    // Clip the change to the size of this doc
-    if (change.from.line < doc.first) {
-      var shift = change.text.length - 1 - (doc.first - change.from.line);
-      shiftDoc(doc, shift);
-      change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),
-                text: [lst(change.text)], origin: change.origin};
-    }
-    var last = doc.lastLine();
-    if (change.to.line > last) {
-      change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),
-                text: [change.text[0]], origin: change.origin};
-    }
-
-    change.removed = getBetween(doc, change.from, change.to);
-
-    if (!selAfter) selAfter = computeSelAfterChange(doc, change);
-    if (doc.cm) makeChangeSingleDocInEditor(doc.cm, change, spans);
-    else updateDoc(doc, change, spans);
-    setSelectionNoUndo(doc, selAfter, sel_dontScroll);
-  }
-
-  // Handle the interaction of a change to a document with the editor
-  // that this document is part of.
-  function makeChangeSingleDocInEditor(cm, change, spans) {
-    var doc = cm.doc, display = cm.display, from = change.from, to = change.to;
-
-    var recomputeMaxLength = false, checkWidthStart = from.line;
-    if (!cm.options.lineWrapping) {
-      checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));
-      doc.iter(checkWidthStart, to.line + 1, function(line) {
-        if (line == display.maxLine) {
-          recomputeMaxLength = true;
-          return true;
-        }
-      });
-    }
-
-    if (doc.sel.contains(change.from, change.to) > -1)
-      signalCursorActivity(cm);
-
-    updateDoc(doc, change, spans, estimateHeight(cm));
-
-    if (!cm.options.lineWrapping) {
-      doc.iter(checkWidthStart, from.line + change.text.length, function(line) {
-        var len = lineLength(line);
-        if (len > display.maxLineLength) {
-          display.maxLine = line;
-          display.maxLineLength = len;
-          display.maxLineChanged = true;
-          recomputeMaxLength = false;
-        }
-      });
-      if (recomputeMaxLength) cm.curOp.updateMaxLine = true;
-    }
-
-    // Adjust frontier, schedule worker
-    doc.frontier = Math.min(doc.frontier, from.line);
-    startWorker(cm, 400);
-
-    var lendiff = change.text.length - (to.line - from.line) - 1;
-    // Remember that these lines changed, for updating the display
-    if (change.full)
-      regChange(cm);
-    else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
-      regLineChange(cm, from.line, "text");
-    else
-      regChange(cm, from.line, to.line + 1, lendiff);
-
-    var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");
-    if (changeHandler || changesHandler) {
-      var obj = {
-        from: from, to: to,
-        text: change.text,
-        removed: change.removed,
-        origin: change.origin
-      };
-      if (changeHandler) signalLater(cm, "change", cm, obj);
-      if (changesHandler) (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj);
-    }
-    cm.display.selForContextMenu = null;
-  }
-
-  function replaceRange(doc, code, from, to, origin) {
-    if (!to) to = from;
-    if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp; }
-    if (typeof code == "string") code = doc.splitLines(code);
-    makeChange(doc, {from: from, to: to, text: code, origin: origin});
-  }
-
-  // SCROLLING THINGS INTO VIEW
-
-  // If an editor sits on the top or bottom of the window, partially
-  // scrolled out of view, this ensures that the cursor is visible.
-  function maybeScrollWindow(cm, coords) {
-    if (signalDOMEvent(cm, "scrollCursorIntoView")) return;
-
-    var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
-    if (coords.top + box.top < 0) doScroll = true;
-    else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false;
-    if (doScroll != null && !phantom) {
-      var scrollNode = elt("div", "\u200b", null, "position: absolute; top: " +
-                           (coords.top - display.viewOffset - paddingTop(cm.display)) + "px; height: " +
-                           (coords.bottom - coords.top + scrollGap(cm) + display.barHeight) + "px; left: " +
-                           coords.left + "px; width: 2px;");
-      cm.display.lineSpace.appendChild(scrollNode);
-      scrollNode.scrollIntoView(doScroll);
-      cm.display.lineSpace.removeChild(scrollNode);
-    }
-  }
-
-  // Scroll a given position into view (immediately), verifying that
-  // it actually became visible (as line heights are accurately
-  // measured, the position of something may 'drift' during drawing).
-  function scrollPosIntoView(cm, pos, end, margin) {
-    if (margin == null) margin = 0;
-    for (var limit = 0; limit < 5; limit++) {
-      var changed = false, coords = cursorCoords(cm, pos);
-      var endCoords = !end || end == pos ? coords : cursorCoords(cm, end);
-      var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left),
-                                         Math.min(coords.top, endCoords.top) - margin,
-                                         Math.max(coords.left, endCoords.left),
-                                         Math.max(coords.bottom, endCoords.bottom) + margin);
-      var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;
-      if (scrollPos.scrollTop != null) {
-        setScrollTop(cm, scrollPos.scrollTop);
-        if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true;
-      }
-      if (scrollPos.scrollLeft != null) {
-        setScrollLeft(cm, scrollPos.scrollLeft);
-        if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true;
-      }
-      if (!changed) break;
-    }
-    return coords;
-  }
-
-  // Scroll a given set of coordinates into view (immediately).
-  function scrollIntoView(cm, x1, y1, x2, y2) {
-    var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2);
-    if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop);
-    if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft);
-  }
-
-  // Calculate a new scroll position needed to scroll the given
-  // rectangle into view. Returns an object with scrollTop and
-  // scrollLeft properties. When these are undefined, the
-  // vertical/horizontal position does not need to be adjusted.
-  function calculateScrollPos(cm, x1, y1, x2, y2) {
-    var display = cm.display, snapMargin = textHeight(cm.display);
-    if (y1 < 0) y1 = 0;
-    var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;
-    var screen = displayHeight(cm), result = {};
-    if (y2 - y1 > screen) y2 = y1 + screen;
-    var docBottom = cm.doc.height + paddingVert(display);
-    var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin;
-    if (y1 < screentop) {
-      result.scrollTop = atTop ? 0 : y1;
-    } else if (y2 > screentop + screen) {
-      var newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen);
-      if (newTop != screentop) result.scrollTop = newTop;
-    }
-
-    var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft;
-    var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0);
-    var tooWide = x2 - x1 > screenw;
-    if (tooWide) x2 = x1 + screenw;
-    if (x1 < 10)
-      result.scrollLeft = 0;
-    else if (x1 < screenleft)
-      result.scrollLeft = Math.max(0, x1 - (tooWide ? 0 : 10));
-    else if (x2 > screenw + screenleft - 3)
-      result.scrollLeft = x2 + (tooWide ? 0 : 10) - screenw;
-    return result;
-  }
-
-  // Store a relative adjustment to the scroll position in the current
-  // operation (to be applied when the operation finishes).
-  function addToScrollPos(cm, left, top) {
-    if (left != null || top != null) resolveScrollToPos(cm);
-    if (left != null)
-      cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left;
-    if (top != null)
-      cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;
-  }
-
-  // Make sure that at the end of the operation the current cursor is
-  // shown.
-  function ensureCursorVisible(cm) {
-    resolveScrollToPos(cm);
-    var cur = cm.getCursor(), from = cur, to = cur;
-    if (!cm.options.lineWrapping) {
-      from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur;
-      to = Pos(cur.line, cur.ch + 1);
-    }
-    cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin, isCursor: true};
-  }
-
-  // When an operation has its scrollToPos property set, and another
-  // scroll action is applied before the end of the operation, this
-  // 'simulates' scrolling that position into view in a cheap way, so
-  // that the effect of intermediate scroll commands is not ignored.
-  function resolveScrollToPos(cm) {
-    var range = cm.curOp.scrollToPos;
-    if (range) {
-      cm.curOp.scrollToPos = null;
-      var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to);
-      var sPos = calculateScrollPos(cm, Math.min(from.left, to.left),
-                                    Math.min(from.top, to.top) - range.margin,
-                                    Math.max(from.right, to.right),
-                                    Math.max(from.bottom, to.bottom) + range.margin);
-      cm.scrollTo(sPos.scrollLeft, sPos.scrollTop);
-    }
-  }
-
-  // API UTILITIES
-
-  // Indent the given line. The how parameter can be "smart",
-  // "add"/null, "subtract", or "prev". When aggressive is false
-  // (typically set to true for forced single-line indents), empty
-  // lines are not indented, and places where the mode returns Pass
-  // are left alone.
-  function indentLine(cm, n, how, aggressive) {
-    var doc = cm.doc, state;
-    if (how == null) how = "add";
-    if (how == "smart") {
-      // Fall back to "prev" when the mode doesn't have an indentation
-      // method.
-      if (!doc.mode.indent) how = "prev";
-      else state = getStateBefore(cm, n);
-    }
-
-    var tabSize = cm.options.tabSize;
-    var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
-    if (line.stateAfter) line.stateAfter = null;
-    var curSpaceString = line.text.match(/^\s*/)[0], indentation;
-    if (!aggressive && !/\S/.test(line.text)) {
-      indentation = 0;
-      how = "not";
-    } else if (how == "smart") {
-      indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
-      if (indentation == Pass || indentation > 150) {
-        if (!aggressive) return;
-        how = "prev";
-      }
-    }
-    if (how == "prev") {
-      if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize);
-      else indentation = 0;
-    } else if (how == "add") {
-      indentation = curSpace + cm.options.indentUnit;
-    } else if (how == "subtract") {
-      indentation = curSpace - cm.options.indentUnit;
-    } else if (typeof how == "number") {
-      indentation = curSpace + how;
-    }
-    indentation = Math.max(0, indentation);
-
-    var indentString = "", pos = 0;
-    if (cm.options.indentWithTabs)
-      for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";}
-    if (pos < indentation) indentString += spaceStr(indentation - pos);
-
-    if (indentString != curSpaceString) {
-      replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");
-      line.stateAfter = null;
-      return true;
-    } else {
-      // Ensure that, if the cursor was in the whitespace at the start
-      // of the line, it is moved to the end of that space.
-      for (var i = 0; i < doc.sel.ranges.length; i++) {
-        var range = doc.sel.ranges[i];
-        if (range.head.line == n && range.head.ch < curSpaceString.length) {
-          var pos = Pos(n, curSpaceString.length);
-          replaceOneSelection(doc, i, new Range(pos, pos));
-          break;
-        }
-      }
-    }
-  }
-
-  // Utility for applying a change to a line by handle or number,
-  // returning the number and optionally registering the line as
-  // changed.
-  function changeLine(doc, handle, changeType, op) {
-    var no = handle, line = handle;
-    if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle));
-    else no = lineNo(handle);
-    if (no == null) return null;
-    if (op(line, no) && doc.cm) regLineChange(doc.cm, no, changeType);
-    return line;
-  }
-
-  // Helper for deleting text near the selection(s), used to implement
-  // backspace, delete, and similar functionality.
-  function deleteNearSelection(cm, compute) {
-    var ranges = cm.doc.sel.ranges, kill = [];
-    // Build up a set of ranges to kill first, merging overlapping
-    // ranges.
-    for (var i = 0; i < ranges.length; i++) {
-      var toKill = compute(ranges[i]);
-      while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {
-        var replaced = kill.pop();
-        if (cmp(replaced.from, toKill.from) < 0) {
-          toKill.from = replaced.from;
-          break;
-        }
-      }
-      kill.push(toKill);
-    }
-    // Next, remove those actual ranges.
-    runInOp(cm, function() {
-      for (var i = kill.length - 1; i >= 0; i--)
-        replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete");
-      ensureCursorVisible(cm);
-    });
-  }
-
-  // Used for horizontal relative motion. Dir is -1 or 1 (left or
-  // right), unit can be "char", "column" (like char, but doesn't
-  // cross line boundaries), "word" (across next word), or "group" (to
-  // the start of next group of word or non-word-non-whitespace
-  // chars). The visually param controls whether, in right-to-left
-  // text, direction 1 means to move towards the next index in the
-  // string, or towards the character to the right of the current
-  // position. The resulting position will have a hitSide=true
-  // property if it reached the end of the document.
-  function findPosH(doc, pos, dir, unit, visually) {
-    var line = pos.line, ch = pos.ch, origDir = dir;
-    var lineObj = getLine(doc, line);
-    function findNextLine() {
-      var l = line + dir;
-      if (l < doc.first || l >= doc.first + doc.size) return false
-      line = l;
-      return lineObj = getLine(doc, l);
-    }
-    function moveOnce(boundToLine) {
-      var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true);
-      if (next == null) {
-        if (!boundToLine && findNextLine()) {
-          if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj);
-          else ch = dir < 0 ? lineObj.text.length : 0;
-        } else return false
-      } else ch = next;
-      return true;
-    }
-
-    if (unit == "char") {
-      moveOnce()
-    } else if (unit == "column") {
-      moveOnce(true)
-    } else if (unit == "word" || unit == "group") {
-      var sawType = null, group = unit == "group";
-      var helper = doc.cm && doc.cm.getHelper(pos, "wordChars");
-      for (var first = true;; first = false) {
-        if (dir < 0 && !moveOnce(!first)) break;
-        var cur = lineObj.text.charAt(ch) || "\n";
-        var type = isWordChar(cur, helper) ? "w"
-          : group && cur == "\n" ? "n"
-          : !group || /\s/.test(cur) ? null
-          : "p";
-        if (group && !first && !type) type = "s";
-        if (sawType && sawType != type) {
-          if (dir < 0) {dir = 1; moveOnce();}
-          break;
-        }
-
-        if (type) sawType = type;
-        if (dir > 0 && !moveOnce(!first)) break;
-      }
-    }
-    var result = skipAtomic(doc, Pos(line, ch), pos, origDir, true);
-    if (!cmp(pos, result)) result.hitSide = true;
-    return result;
-  }
-
-  // For relative vertical movement. Dir may be -1 or 1. Unit can be
-  // "page" or "line". The resulting position will have a hitSide=true
-  // property if it reached the end of the document.
-  function findPosV(cm, pos, dir, unit) {
-    var doc = cm.doc, x = pos.left, y;
-    if (unit == "page") {
-      var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);
-      y = pos.top + dir * (pageSize - (dir < 0 ? 1.5 : .5) * textHeight(cm.display));
-    } else if (unit == "line") {
-      y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
-    }
-    for (;;) {
-      var target = coordsChar(cm, x, y);
-      if (!target.outside) break;
-      if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break; }
-      y += dir * 5;
-    }
-    return target;
-  }
-
-  // EDITOR METHODS
-
-  // The publicly visible API. Note that methodOp(f) means
-  // 'wrap f in an operation, performed on its `this` parameter'.
-
-  // This is not the complete set of editor methods. Most of the
-  // methods defined on the Doc type are also injected into
-  // CodeMirror.prototype, for backwards compatibility and
-  // convenience.
-
-  CodeMirror.prototype = {
-    constructor: CodeMirror,
-    focus: function(){window.focus(); this.display.input.focus();},
-
-    setOption: function(option, value) {
-      var options = this.options, old = options[option];
-      if (options[option] == value && option != "mode") return;
-      options[option] = value;
-      if (optionHandlers.hasOwnProperty(option))
-        operation(this, optionHandlers[option])(this, value, old);
-    },
-
-    getOption: function(option) {return this.options[option];},
-    getDoc: function() {return this.doc;},
-
-    addKeyMap: function(map, bottom) {
-      this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map));
-    },
-    removeKeyMap: function(map) {
-      var maps = this.state.keyMaps;
-      for (var i = 0; i < maps.length; ++i)
-        if (maps[i] == map || maps[i].name == map) {
-          maps.splice(i, 1);
-          return true;
-        }
-    },
-
-    addOverlay: methodOp(function(spec, options) {
-      var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);
-      if (mode.startState) throw new Error("Overlays may not be stateful.");
-      this.state.overlays.push({mode: mode, modeSpec: spec, opaque: options && options.opaque});
-      this.state.modeGen++;
-      regChange(this);
-    }),
-    removeOverlay: methodOp(function(spec) {
-      var overlays = this.state.overlays;
-      for (var i = 0; i < overlays.length; ++i) {
-        var cur = overlays[i].modeSpec;
-        if (cur == spec || typeof spec == "string" && cur.name == spec) {
-          overlays.splice(i, 1);
-          this.state.modeGen++;
-          regChange(this);
-          return;
-        }
-      }
-    }),
-
-    indentLine: methodOp(function(n, dir, aggressive) {
-      if (typeof dir != "string" && typeof dir != "number") {
-        if (dir == null) dir = this.options.smartIndent ? "smart" : "prev";
-        else dir = dir ? "add" : "subtract";
-      }
-      if (isLine(this.doc, n)) indentLine(this, n, dir, aggressive);
-    }),
-    indentSelection: methodOp(function(how) {
-      var ranges = this.doc.sel.ranges, end = -1;
-      for (var i = 0; i < ranges.length; i++) {
-        var range = ranges[i];
-        if (!range.empty()) {
-          var from = range.from(), to = range.to();
-          var start = Math.max(end, from.line);
-          end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;
-          for (var j = start; j < end; ++j)
-            indentLine(this, j, how);
-          var newRanges = this.doc.sel.ranges;
-          if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)
-            replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll);
-        } else if (range.head.line > end) {
-          indentLine(this, range.head.line, how, true);
-          end = range.head.line;
-          if (i == this.doc.sel.primIndex) ensureCursorVisible(this);
-        }
-      }
-    }),
-
-    // Fetch the parser token for a given character. Useful for hacks
-    // that want to inspect the mode state (say, for completion).
-    getTokenAt: function(pos, precise) {
-      return takeToken(this, pos, precise);
-    },
-
-    getLineTokens: function(line, precise) {
-      return takeToken(this, Pos(line), precise, true);
-    },
-
-    getTokenTypeAt: function(pos) {
-      pos = clipPos(this.doc, pos);
-      var styles = getLineStyles(this, getLine(this.doc, pos.line));
-      var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;
-      var type;
-      if (ch == 0) type = styles[2];
-      else for (;;) {
-        var mid = (before + after) >> 1;
-        if ((mid ? styles[mid * 2 - 1] : 0) >= ch) after = mid;
-        else if (styles[mid * 2 + 1] < ch) before = mid + 1;
-        else { type = styles[mid * 2 + 2]; break; }
-      }
-      var cut = type ? type.indexOf("cm-overlay ") : -1;
-      return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1);
-    },
-
-    getModeAt: function(pos) {
-      var mode = this.doc.mode;
-      if (!mode.innerMode) return mode;
-      return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode;
-    },
-
-    getHelper: function(pos, type) {
-      return this.getHelpers(pos, type)[0];
-    },
-
-    getHelpers: function(pos, type) {
-      var found = [];
-      if (!helpers.hasOwnProperty(type)) return found;
-      var help = helpers[type], mode = this.getModeAt(pos);
-      if (typeof mode[type] == "string") {
-        if (help[mode[type]]) found.push(help[mode[type]]);
-      } else if (mode[type]) {
-        for (var i = 0; i < mode[type].length; i++) {
-          var val = help[mode[type][i]];
-          if (val) found.push(val);
-        }
-      } else if (mode.helperType && help[mode.helperType]) {
-        found.push(help[mode.helperType]);
-      } else if (help[mode.name]) {
-        found.push(help[mode.name]);
-      }
-      for (var i = 0; i < help._global.length; i++) {
-        var cur = help._global[i];
-        if (cur.pred(mode, this) && indexOf(found, cur.val) == -1)
-          found.push(cur.val);
-      }
-      return found;
-    },
-
-    getStateAfter: function(line, precise) {
-      var doc = this.doc;
-      line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);
-      return getStateBefore(this, line + 1, precise);
-    },
-
-    cursorCoords: function(start, mode) {
-      var pos, range = this.doc.sel.primary();
-      if (start == null) pos = range.head;
-      else if (typeof start == "object") pos = clipPos(this.doc, start);
-      else pos = start ? range.from() : range.to();
-      return cursorCoords(this, pos, mode || "page");
-    },
-
-    charCoords: function(pos, mode) {
-      return charCoords(this, clipPos(this.doc, pos), mode || "page");
-    },
-
-    coordsChar: function(coords, mode) {
-      coords = fromCoordSystem(this, coords, mode || "page");
-      return coordsChar(this, coords.left, coords.top);
-    },
-
-    lineAtHeight: function(height, mode) {
-      height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top;
-      return lineAtHeight(this.doc, height + this.display.viewOffset);
-    },
-    heightAtLine: function(line, mode) {
-      var end = false, lineObj;
-      if (typeof line == "number") {
-        var last = this.doc.first + this.doc.size - 1;
-        if (line < this.doc.first) line = this.doc.first;
-        else if (line > last) { line = last; end = true; }
-        lineObj = getLine(this.doc, line);
-      } else {
-        lineObj = line;
-      }
-      return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page").top +
-        (end ? this.doc.height - heightAtLine(lineObj) : 0);
-    },
-
-    defaultTextHeight: function() { return textHeight(this.display); },
-    defaultCharWidth: function() { return charWidth(this.display); },
-
-    setGutterMarker: methodOp(function(line, gutterID, value) {
-      return changeLine(this.doc, line, "gutter", function(line) {
-        var markers = line.gutterMarkers || (line.gutterMarkers = {});
-        markers[gutterID] = value;
-        if (!value && isEmpty(markers)) line.gutterMarkers = null;
-        return true;
-      });
-    }),
-
-    clearGutter: methodOp(function(gutterID) {
-      var cm = this, doc = cm.doc, i = doc.first;
-      doc.iter(function(line) {
-        if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
-          line.gutterMarkers[gutterID] = null;
-          regLineChange(cm, i, "gutter");
-          if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null;
-        }
-        ++i;
-      });
-    }),
-
-    lineInfo: function(line) {
-      if (typeof line == "number") {
-        if (!isLine(this.doc, line)) return null;
-        var n = line;
-        line = getLine(this.doc, line);
-        if (!line) return null;
-      } else {
-        var n = lineNo(line);
-        if (n == null) return null;
-      }
-      return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
-              textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
-              widgets: line.widgets};
-    },
-
-    getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo};},
-
-    addWidget: function(pos, node, scroll, vert, horiz) {
-      var display = this.display;
-      pos = cursorCoords(this, clipPos(this.doc, pos));
-      var top = pos.bottom, left = pos.left;
-      node.style.position = "absolute";
-      node.setAttribute("cm-ignore-events", "true");
-      this.display.input.setUneditable(node);
-      display.sizer.appendChild(node);
-      if (vert == "over") {
-        top = pos.top;
-      } else if (vert == "above" || vert == "near") {
-        var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),
-        hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
-        // Default to positioning above (if specified and possible); otherwise default to positioning below
-        if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)
-          top = pos.top - node.offsetHeight;
-        else if (pos.bottom + node.offsetHeight <= vspace)
-          top = pos.bottom;
-        if (left + node.offsetWidth > hspace)
-          left = hspace - node.offsetWidth;
-      }
-      node.style.top = top + "px";
-      node.style.left = node.style.right = "";
-      if (horiz == "right") {
-        left = display.sizer.clientWidth - node.offsetWidth;
-        node.style.right = "0px";
-      } else {
-        if (horiz == "left") left = 0;
-        else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2;
-        node.style.left = left + "px";
-      }
-      if (scroll)
-        scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight);
-    },
-
-    triggerOnKeyDown: methodOp(onKeyDown),
-    triggerOnKeyPress: methodOp(onKeyPress),
-    triggerOnKeyUp: onKeyUp,
-
-    execCommand: function(cmd) {
-      if (commands.hasOwnProperty(cmd))
-        return commands[cmd].call(null, this);
-    },
-
-    triggerElectric: methodOp(function(text) { triggerElectric(this, text); }),
-
-    findPosH: function(from, amount, unit, visually) {
-      var dir = 1;
-      if (amount < 0) { dir = -1; amount = -amount; }
-      for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) {
-        cur = findPosH(this.doc, cur, dir, unit, visually);
-        if (cur.hitSide) break;
-      }
-      return cur;
-    },
-
-    moveH: methodOp(function(dir, unit) {
-      var cm = this;
-      cm.extendSelectionsBy(function(range) {
-        if (cm.display.shift || cm.doc.extend || range.empty())
-          return findPosH(cm.doc, range.head, dir, unit, cm.options.rtlMoveVisually);
-        else
-          return dir < 0 ? range.from() : range.to();
-      }, sel_move);
-    }),
-
-    deleteH: methodOp(function(dir, unit) {
-      var sel = this.doc.sel, doc = this.doc;
-      if (sel.somethingSelected())
-        doc.replaceSelection("", null, "+delete");
-      else
-        deleteNearSelection(this, function(range) {
-          var other = findPosH(doc, range.head, dir, unit, false);
-          return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other};
-        });
-    }),
-
-    findPosV: function(from, amount, unit, goalColumn) {
-      var dir = 1, x = goalColumn;
-      if (amount < 0) { dir = -1; amount = -amount; }
-      for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) {
-        var coords = cursorCoords(this, cur, "div");
-        if (x == null) x = coords.left;
-        else coords.left = x;
-        cur = findPosV(this, coords, dir, unit);
-        if (cur.hitSide) break;
-      }
-      return cur;
-    },
-
-    moveV: methodOp(function(dir, unit) {
-      var cm = this, doc = this.doc, goals = [];
-      var collapse = !cm.display.shift && !doc.extend && doc.sel.somethingSelected();
-      doc.extendSelectionsBy(function(range) {
-        if (collapse)
-          return dir < 0 ? range.from() : range.to();
-        var headPos = cursorCoords(cm, range.head, "div");
-        if (range.goalColumn != null) headPos.left = range.goalColumn;
-        goals.push(headPos.left);
-        var pos = findPosV(cm, headPos, dir, unit);
-        if (unit == "page" && range == doc.sel.primary())
-          addToScrollPos(cm, null, charCoords(cm, pos, "div").top - headPos.top);
-        return pos;
-      }, sel_move);
-      if (goals.length) for (var i = 0; i < doc.sel.ranges.length; i++)
-        doc.sel.ranges[i].goalColumn = goals[i];
-    }),
-
-    // Find the word at the given position (as returned by coordsChar).
-    findWordAt: function(pos) {
-      var doc = this.doc, line = getLine(doc, pos.line).text;
-      var start = pos.ch, end = pos.ch;
-      if (line) {
-        var helper = this.getHelper(pos, "wordChars");
-        if ((pos.xRel < 0 || end == line.length) && start) --start; else ++end;
-        var startChar = line.charAt(start);
-        var check = isWordChar(startChar, helper)
-          ? function(ch) { return isWordChar(ch, helper); }
-          : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);}
-          : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);};
-        while (start > 0 && check(line.charAt(start - 1))) --start;
-        while (end < line.length && check(line.charAt(end))) ++end;
-      }
-      return new Range(Pos(pos.line, start), Pos(pos.line, end));
-    },
-
-    toggleOverwrite: function(value) {
-      if (value != null && value == this.state.overwrite) return;
-      if (this.state.overwrite = !this.state.overwrite)
-        addClass(this.display.cursorDiv, "CodeMirror-overwrite");
-      else
-        rmClass(this.display.cursorDiv, "CodeMirror-overwrite");
-
-      signal(this, "overwriteToggle", this, this.state.overwrite);
-    },
-    hasFocus: function() { return this.display.input.getField() == activeElt(); },
-    isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit); },
-
-    scrollTo: methodOp(function(x, y) {
-      if (x != null || y != null) resolveScrollToPos(this);
-      if (x != null) this.curOp.scrollLeft = x;
-      if (y != null) this.curOp.scrollTop = y;
-    }),
-    getScrollInfo: function() {
-      var scroller = this.display.scroller;
-      return {left: scroller.scrollLeft, top: scroller.scrollTop,
-              height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,
-              width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,
-              clientHeight: displayHeight(this), clientWidth: displayWidth(this)};
-    },
-
-    scrollIntoView: methodOp(function(range, margin) {
-      if (range == null) {
-        range = {from: this.doc.sel.primary().head, to: null};
-        if (margin == null) margin = this.options.cursorScrollMargin;
-      } else if (typeof range == "number") {
-        range = {from: Pos(range, 0), to: null};
-      } else if (range.from == null) {
-        range = {from: range, to: null};
-      }
-      if (!range.to) range.to = range.from;
-      range.margin = margin || 0;
-
-      if (range.from.line != null) {
-        resolveScrollToPos(this);
-        this.curOp.scrollToPos = range;
-      } else {
-        var sPos = calculateScrollPos(this, Math.min(range.from.left, range.to.left),
-                                      Math.min(range.from.top, range.to.top) - range.margin,
-                                      Math.max(range.from.right, range.to.right),
-                                      Math.max(range.from.bottom, range.to.bottom) + range.margin);
-        this.scrollTo(sPos.scrollLeft, sPos.scrollTop);
-      }
-    }),
-
-    setSize: methodOp(function(width, height) {
-      var cm = this;
-      function interpret(val) {
-        return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val;
-      }
-      if (width != null) cm.display.wrapper.style.width = interpret(width);
-      if (height != null) cm.display.wrapper.style.height = interpret(height);
-      if (cm.options.lineWrapping) clearLineMeasurementCache(this);
-      var lineNo = cm.display.viewFrom;
-      cm.doc.iter(lineNo, cm.display.viewTo, function(line) {
-        if (line.widgets) for (var i = 0; i < line.widgets.length; i++)
-          if (line.widgets[i].noHScroll) { regLineChange(cm, lineNo, "widget"); break; }
-        ++lineNo;
-      });
-      cm.curOp.forceUpdate = true;
-      signal(cm, "refresh", this);
-    }),
-
-    operation: function(f){return runInOp(this, f);},
-
-    refresh: methodOp(function() {
-      var oldHeight = this.display.cachedTextHeight;
-      regChange(this);
-      this.curOp.forceUpdate = true;
-      clearCaches(this);
-      this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop);
-      updateGutterSpace(this);
-      if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5)
-        estimateLineHeights(this);
-      signal(this, "refresh", this);
-    }),
-
-    swapDoc: methodOp(function(doc) {
-      var old = this.doc;
-      old.cm = null;
-      attachDoc(this, doc);
-      clearCaches(this);
-      this.display.input.reset();
-      this.scrollTo(doc.scrollLeft, doc.scrollTop);
-      this.curOp.forceScroll = true;
-      signalLater(this, "swapDoc", this, old);
-      return old;
-    }),
-
-    getInputField: function(){return this.display.input.getField();},
-    getWrapperElement: function(){return this.display.wrapper;},
-    getScrollerElement: function(){return this.display.scroller;},
-    getGutterElement: function(){return this.display.gutters;}
-  };
-  eventMixin(CodeMirror);
-
-  // OPTION DEFAULTS
-
-  // The default configuration options.
-  var defaults = CodeMirror.defaults = {};
-  // Functions to run when options are changed.
-  var optionHandlers = CodeMirror.optionHandlers = {};
-
-  function option(name, deflt, handle, notOnInit) {
-    CodeMirror.defaults[name] = deflt;
-    if (handle) optionHandlers[name] =
-      notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle;
-  }
-
-  // Passed to option handlers when there is no old value.
-  var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}};
-
-  // These two are, on init, called from the constructor because they
-  // have to be initialized before the editor can start at all.
-  option("value", "", function(cm, val) {
-    cm.setValue(val);
-  }, true);
-  option("mode", null, function(cm, val) {
-    cm.doc.modeOption = val;
-    loadMode(cm);
-  }, true);
-
-  option("indentUnit", 2, loadMode, true);
-  option("indentWithTabs", false);
-  option("smartIndent", true);
-  option("tabSize", 4, function(cm) {
+    return new Selection(out, doc.sel.primIndex)
+  }
+
+  // Used to get the editor into a consistent state again when options change.
+
+  function loadMode(cm) {
+    cm.doc.mode = getMode(cm.options, cm.doc.modeOption);
     resetModeState(cm);
-    clearCaches(cm);
-    regChange(cm);
-  }, true);
-  option("lineSeparator", null, function(cm, val) {
-    cm.doc.lineSep = val;
-    if (!val) return;
-    var newBreaks = [], lineNo = cm.doc.first;
-    cm.doc.iter(function(line) {
-      for (var pos = 0;;) {
-        var found = line.text.indexOf(val, pos);
-        if (found == -1) break;
-        pos = found + val.length;
-        newBreaks.push(Pos(lineNo, found));
-      }
-      lineNo++;
+  }
+
+  function resetModeState(cm) {
+    cm.doc.iter(function (line) {
+      if (line.stateAfter) { line.stateAfter = null; }
+      if (line.styles) { line.styles = null; }
     });
-    for (var i = newBreaks.length - 1; i >= 0; i--)
-      replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length))
-  });
-  option("specialChars", /[\t\u0000-\u0019\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g, function(cm, val, old) {
-    cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g");
-    if (old != CodeMirror.Init) cm.refresh();
-  });
-  option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function(cm) {cm.refresh();}, true);
-  option("electricChars", true);
-  option("inputStyle", mobile ? "contenteditable" : "textarea", function() {
-    throw new Error("inputStyle can not (yet) be changed in a running editor"); // FIXME
-  }, true);
-  option("rtlMoveVisually", !windows);
-  option("wholeLineUpdateBefore", true);
-
-  option("theme", "default", function(cm) {
-    themeChanged(cm);
-    guttersChanged(cm);
-  }, true);
-  option("keyMap", "default", function(cm, val, old) {
-    var next = getKeyMap(val);
-    var prev = old != CodeMirror.Init && getKeyMap(old);
-    if (prev && prev.detach) prev.detach(cm, next);
-    if (next.attach) next.attach(cm, prev || null);
-  });
-  option("extraKeys", null);
-
-  option("lineWrapping", false, wrappingChanged, true);
-  option("gutters", [], function(cm) {
-    setGuttersForLineNumbers(cm.options);
-    guttersChanged(cm);
-  }, true);
-  option("fixedGutter", true, function(cm, val) {
-    cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";
-    cm.refresh();
-  }, true);
-  option("coverGutterNextToScrollbar", false, function(cm) {updateScrollbars(cm);}, true);
-  option("scrollbarStyle", "native", function(cm) {
-    initScrollbars(cm);
-    updateScrollbars(cm);
-    cm.display.scrollbars.setScrollTop(cm.doc.scrollTop);
-    cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft);
-  }, true);
-  option("lineNumbers", false, function(cm) {
-    setGuttersForLineNumbers(cm.options);
-    guttersChanged(cm);
-  }, true);
-  option("firstLineNumber", 1, guttersChanged, true);
-  option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true);
-  option("showCursorWhenSelecting", false, updateSelection, true);
-
-  option("resetSelectionOnContextMenu", true);
-  option("lineWiseCopyCut", true);
-
-  option("readOnly", false, function(cm, val) {
-    if (val == "nocursor") {
-      onBlur(cm);
-      cm.display.input.blur();
-      cm.display.disabled = true;
-    } else {
-      cm.display.disabled = false;
-    }
-    cm.display.input.readOnlyChanged(val)
-  });
-  option("disableInput", false, function(cm, val) {if (!val) cm.display.input.reset();}, true);
-  option("dragDrop", true, dragDropChanged);
-  option("allowDropFileTypes", null);
-
-  option("cursorBlinkRate", 530);
-  option("cursorScrollMargin", 0);
-  option("cursorHeight", 1, updateSelection, true);
-  option("singleCursorHeightPerLine", true, updateSelection, true);
-  option("workTime", 100);
-  option("workDelay", 100);
-  option("flattenSpans", true, resetModeState, true);
-  option("addModeClass", false, resetModeState, true);
-  option("pollInterval", 100);
-  option("undoDepth", 200, function(cm, val){cm.doc.history.undoDepth = val;});
-  option("historyEventDelay", 1250);
-  option("viewportMargin", 10, function(cm){cm.refresh();}, true);
-  option("maxHighlightLength", 10000, resetModeState, true);
-  option("moveInputWithCursor", true, function(cm, val) {
-    if (!val) cm.display.input.resetPosition();
-  });
-
-  option("tabindex", null, function(cm, val) {
-    cm.display.input.getField().tabIndex = val || "";
-  });
-  option("autofocus", null);
-
-  // MODE DEFINITION AND QUERYING
-
-  // Known modes, by name and by MIME
-  var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {};
-
-  // Extra arguments are stored as the mode's dependencies, which is
-  // used by (legacy) mechanisms like loadmode.js to automatically
-  // load a mode. (Preferred mechanism is the require/define calls.)
-  CodeMirror.defineMode = function(name, mode) {
-    if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name;
-    if (arguments.length > 2)
-      mode.dependencies = Array.prototype.slice.call(arguments, 2);
-    modes[name] = mode;
-  };
-
-  CodeMirror.defineMIME = function(mime, spec) {
-    mimeModes[mime] = spec;
-  };
-
-  // Given a MIME type, a {name, ...options} config object, or a name
-  // string, return a mode config object.
-  CodeMirror.resolveMode = function(spec) {
-    if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
-      spec = mimeModes[spec];
-    } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
-      var found = mimeModes[spec.name];
-      if (typeof found == "string") found = {name: found};
-      spec = createObj(found, spec);
-      spec.name = found.name;
-    } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
-      return CodeMirror.resolveMode("application/xml");
-    }
-    if (typeof spec == "string") return {name: spec};
-    else return spec || {name: "null"};
-  };
-
-  // Given a mode spec (anything that resolveMode accepts), find and
-  // initialize an actual mode object.
-  CodeMirror.getMode = function(options, spec) {
-    var spec = CodeMirror.resolveMode(spec);
-    var mfactory = modes[spec.name];
-    if (!mfactory) return CodeMirror.getMode(options, "text/plain");
-    var modeObj = mfactory(options, spec);
-    if (modeExtensions.hasOwnProperty(spec.name)) {
-      var exts = modeExtensions[spec.name];
-      for (var prop in exts) {
-        if (!exts.hasOwnProperty(prop)) continue;
-        if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop];
-        modeObj[prop] = exts[prop];
-      }
-    }
-    modeObj.name = spec.name;
-    if (spec.helperType) modeObj.helperType = spec.helperType;
-    if (spec.modeProps) for (var prop in spec.modeProps)
-      modeObj[prop] = spec.modeProps[prop];
-
-    return modeObj;
-  };
-
-  // Minimal default mode.
-  CodeMirror.defineMode("null", function() {
-    return {token: function(stream) {stream.skipToEnd();}};
-  });
-  CodeMirror.defineMIME("text/plain", "null");
-
-  // This can be used to attach properties to mode objects from
-  // outside the actual mode definition.
-  var modeExtensions = CodeMirror.modeExtensions = {};
-  CodeMirror.extendMode = function(mode, properties) {
-    var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
-    copyObj(properties, exts);
-  };
-
-  // EXTENSIONS
-
-  CodeMirror.defineExtension = function(name, func) {
-    CodeMirror.prototype[name] = func;
-  };
-  CodeMirror.defineDocExtension = function(name, func) {
-    Doc.prototype[name] = func;
-  };
-  CodeMirror.defineOption = option;
-
-  var initHooks = [];
-  CodeMirror.defineInitHook = function(f) {initHooks.push(f);};
-
-  var helpers = CodeMirror.helpers = {};
-  CodeMirror.registerHelper = function(type, name, value) {
-    if (!helpers.hasOwnProperty(type)) helpers[type] = CodeMirror[type] = {_global: []};
-    helpers[type][name] = value;
-  };
-  CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {
-    CodeMirror.registerHelper(type, name, value);
-    helpers[type]._global.push({pred: predicate, val: value});
-  };
-
-  // MODE STATE HANDLING
-
-  // Utility functions for working with state. Exported because nested
-  // modes need to do this for their inner modes.
-
-  var copyState = CodeMirror.copyState = function(mode, state) {
-    if (state === true) return state;
-    if (mode.copyState) return mode.copyState(state);
-    var nstate = {};
-    for (var n in state) {
-      var val = state[n];
-      if (val instanceof Array) val = val.concat([]);
-      nstate[n] = val;
-    }
-    return nstate;
-  };
-
-  var startState = CodeMirror.startState = function(mode, a1, a2) {
-    return mode.startState ? mode.startState(a1, a2) : true;
-  };
-
-  // Given a mode and a state (for that mode), find the inner mode and
-  // state at the position that the state refers to.
-  CodeMirror.innerMode = function(mode, state) {
-    while (mode.innerMode) {
-      var info = mode.innerMode(state);
-      if (!info || info.mode == mode) break;
-      state = info.state;
-      mode = info.mode;
-    }
-    return info || {mode: mode, state: state};
-  };
-
-  // STANDARD COMMANDS
-
-  // Commands are parameter-less actions that can be performed on an
-  // editor, mostly used for keybindings.
-  var commands = CodeMirror.commands = {
-    selectAll: function(cm) {cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);},
-    singleSelection: function(cm) {
-      cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll);
-    },
-    killLine: function(cm) {
-      deleteNearSelection(cm, function(range) {
-        if (range.empty()) {
-          var len = getLine(cm.doc, range.head.line).text.length;
-          if (range.head.ch == len && range.head.line < cm.lastLine())
-            return {from: range.head, to: Pos(range.head.line + 1, 0)};
-          else
-            return {from: range.head, to: Pos(range.head.line, len)};
-        } else {
-          return {from: range.from(), to: range.to()};
-        }
-      });
-    },
-    deleteLine: function(cm) {
-      deleteNearSelection(cm, function(range) {
-        return {from: Pos(range.from().line, 0),
-                to: clipPos(cm.doc, Pos(range.to().line + 1, 0))};
-      });
-    },
-    delLineLeft: function(cm) {
-      deleteNearSelection(cm, function(range) {
-        return {from: Pos(range.from().line, 0), to: range.from()};
-      });
-    },
-    delWrappedLineLeft: function(cm) {
-      deleteNearSelection(cm, function(range) {
-        var top = cm.charCoords(range.head, "div").top + 5;
-        var leftPos = cm.coordsChar({left: 0, top: top}, "div");
-        return {from: leftPos, to: range.from()};
-      });
-    },
-    delWrappedLineRight: function(cm) {
-      deleteNearSelection(cm, function(range) {
-        var top = cm.charCoords(range.head, "div").top + 5;
-        var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
-        return {from: range.from(), to: rightPos };
-      });
-    },
-    undo: function(cm) {cm.undo();},
-    redo: function(cm) {cm.redo();},
-    undoSelection: function(cm) {cm.undoSelection();},
-    redoSelection: function(cm) {cm.redoSelection();},
-    goDocStart: function(cm) {cm.extendSelection(Pos(cm.firstLine(), 0));},
-    goDocEnd: function(cm) {cm.extendSelection(Pos(cm.lastLine()));},
-    goLineStart: function(cm) {
-      cm.extendSelectionsBy(function(range) { return lineStart(cm, range.head.line); },
-                            {origin: "+move", bias: 1});
-    },
-    goLineStartSmart: function(cm) {
-      cm.extendSelectionsBy(function(range) {
-        return lineStartSmart(cm, range.head);
-      }, {origin: "+move", bias: 1});
-    },
-    goLineEnd: function(cm) {
-      cm.extendSelectionsBy(function(range) { return lineEnd(cm, range.head.line); },
-                            {origin: "+move", bias: -1});
-    },
-    goLineRight: function(cm) {
-      cm.extendSelectionsBy(function(range) {
-        var top = cm.charCoords(range.head, "div").top + 5;
-        return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
-      }, sel_move);
-    },
-    goLineLeft: function(cm) {
-      cm.extendSelectionsBy(function(range) {
-        var top = cm.charCoords(range.head, "div").top + 5;
-        return cm.coordsChar({left: 0, top: top}, "div");
-      }, sel_move);
-    },
-    goLineLeftSmart: function(cm) {
-      cm.extendSelectionsBy(function(range) {
-        var top = cm.charCoords(range.head, "div").top + 5;
-        var pos = cm.coordsChar({left: 0, top: top}, "div");
-        if (pos.ch < cm.getLine(pos.line).search(/\S/)) return lineStartSmart(cm, range.head);
-        return pos;
-      }, sel_move);
-    },
-    goLineUp: function(cm) {cm.moveV(-1, "line");},
-    goLineDown: function(cm) {cm.moveV(1, "line");},
-    goPageUp: function(cm) {cm.moveV(-1, "page");},
-    goPageDown: function(cm) {cm.moveV(1, "page");},
-    goCharLeft: function(cm) {cm.moveH(-1, "char");},
-    goCharRight: function(cm) {cm.moveH(1, "char");},
-    goColumnLeft: function(cm) {cm.moveH(-1, "column");},
-    goColumnRight: function(cm) {cm.moveH(1, "column");},
-    goWordLeft: function(cm) {cm.moveH(-1, "word");},
-    goGroupRight: function(cm) {cm.moveH(1, "group");},
-    goGroupLeft: function(cm) {cm.moveH(-1, "group");},
-    goWordRight: function(cm) {cm.moveH(1, "word");},
-    delCharBefore: function(cm) {cm.deleteH(-1, "char");},
-    delCharAfter: function(cm) {cm.deleteH(1, "char");},
-    delWordBefore: function(cm) {cm.deleteH(-1, "word");},
-    delWordAfter: function(cm) {cm.deleteH(1, "word");},
-    delGroupBefore: function(cm) {cm.deleteH(-1, "group");},
-    delGroupAfter: function(cm) {cm.deleteH(1, "group");},
-    indentAuto: function(cm) {cm.indentSelection("smart");},
-    indentMore: function(cm) {cm.indentSelection("add");},
-    indentLess: function(cm) {cm.indentSelection("subtract");},
-    insertTab: function(cm) {cm.replaceSelection("\t");},
-    insertSoftTab: function(cm) {
-      var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;
-      for (var i = 0; i < ranges.length; i++) {
-        var pos = ranges[i].from();
-        var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);
-        spaces.push(new Array(tabSize - col % tabSize + 1).join(" "));
-      }
-      cm.replaceSelections(spaces);
-    },
-    defaultTab: function(cm) {
-      if (cm.somethingSelected()) cm.indentSelection("add");
-      else cm.execCommand("insertTab");
-    },
-    transposeChars: function(cm) {
-      runInOp(cm, function() {
-        var ranges = cm.listSelections(), newSel = [];
-        for (var i = 0; i < ranges.length; i++) {
-          var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;
-          if (line) {
-            if (cur.ch == line.length) cur = new Pos(cur.line, cur.ch - 1);
-            if (cur.ch > 0) {
-              cur = new Pos(cur.line, cur.ch + 1);
-              cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),
-                              Pos(cur.line, cur.ch - 2), cur, "+transpose");
-            } else if (cur.line > cm.doc.first) {
-              var prev = getLine(cm.doc, cur.line - 1).text;
-              if (prev)
-                cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() +
-                                prev.charAt(prev.length - 1),
-                                Pos(cur.line - 1, prev.length - 1), Pos(cur.line, 1), "+transpose");
-            }
-          }
-          newSel.push(new Range(cur, cur));
-        }
-        cm.setSelections(newSel);
-      });
-    },
-    newlineAndIndent: function(cm) {
-      runInOp(cm, function() {
-        var len = cm.listSelections().length;
-        for (var i = 0; i < len; i++) {
-          var range = cm.listSelections()[i];
-          cm.replaceRange(cm.doc.lineSeparator(), range.anchor, range.head, "+input");
-          cm.indentLine(range.from().line + 1, null, true);
-        }
-        ensureCursorVisible(cm);
-      });
-    },
-    toggleOverwrite: function(cm) {cm.toggleOverwrite();}
-  };
-
-
-  // STANDARD KEYMAPS
-
-  var keyMap = CodeMirror.keyMap = {};
-
-  keyMap.basic = {
-    "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
-    "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
-    "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",
-    "Tab": "defaultTab", "Shift-Tab": "indentAuto",
-    "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",
-    "Esc": "singleSelection"
-  };
-  // Note that the save and find-related commands aren't defined by
-  // default. User code or addons can define them. Unknown commands
-  // are simply ignored.
-  keyMap.pcDefault = {
-    "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
-    "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown",
-    "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
-    "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",
-    "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
-    "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
-    "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",
-    fallthrough: "basic"
-  };
-  // Very basic readline/emacs-style bindings, which are standard on Mac.
-  keyMap.emacsy = {
-    "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
-    "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
-    "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
-    "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars"
-  };
-  keyMap.macDefault = {
-    "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
-    "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",
-    "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore",
-    "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",
-    "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
-    "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",
-    "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",
-    fallthrough: ["basic", "emacsy"]
-  };
-  keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
-
-  // KEYMAP DISPATCH
-
-  function normalizeKeyName(name) {
-    var parts = name.split(/-(?!$)/), name = parts[parts.length - 1];
-    var alt, ctrl, shift, cmd;
-    for (var i = 0; i < parts.length - 1; i++) {
-      var mod = parts[i];
-      if (/^(cmd|meta|m)$/i.test(mod)) cmd = true;
-      else if (/^a(lt)?$/i.test(mod)) alt = true;
-      else if (/^(c|ctrl|control)$/i.test(mod)) ctrl = true;
-      else if (/^s(hift)$/i.test(mod)) shift = true;
-      else throw new Error("Unrecognized modifier name: " + mod);
-    }
-    if (alt) name = "Alt-" + name;
-    if (ctrl) name = "Ctrl-" + name;
-    if (cmd) name = "Cmd-" + name;
-    if (shift) name = "Shift-" + name;
-    return name;
-  }
-
-  // This is a kludge to keep keymaps mostly working as raw objects
-  // (backwards compatibility) while at the same time support features
-  // like normalization and multi-stroke key bindings. It compiles a
-  // new normalized keymap, and then updates the old object to reflect
-  // this.
-  CodeMirror.normalizeKeyMap = function(keymap) {
-    var copy = {};
-    for (var keyname in keymap) if (keymap.hasOwnProperty(keyname)) {
-      var value = keymap[keyname];
-      if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) continue;
-      if (value == "...") { delete keymap[keyname]; continue; }
-
-      var keys = map(keyname.split(" "), normalizeKeyName);
-      for (var i = 0; i < keys.length; i++) {
-        var val, name;
-        if (i == keys.length - 1) {
-          name = keys.join(" ");
-          val = value;
-        } else {
-          name = keys.slice(0, i + 1).join(" ");
-          val = "...";
-        }
-        var prev = copy[name];
-        if (!prev) copy[name] = val;
-        else if (prev != val) throw new Error("Inconsistent bindings for " + name);
-      }
-      delete keymap[keyname];
-    }
-    for (var prop in copy) keymap[prop] = copy[prop];
-    return keymap;
-  };
-
-  var lookupKey = CodeMirror.lookupKey = function(key, map, handle, context) {
-    map = getKeyMap(map);
-    var found = map.call ? map.call(key, context) : map[key];
-    if (found === false) return "nothing";
-    if (found === "...") return "multi";
-    if (found != null && handle(found)) return "handled";
-
-    if (map.fallthrough) {
-      if (Object.prototype.toString.call(map.fallthrough) != "[object Array]")
-        return lookupKey(key, map.fallthrough, handle, context);
-      for (var i = 0; i < map.fallthrough.length; i++) {
-        var result = lookupKey(key, map.fallthrough[i], handle, context);
-        if (result) return result;
-      }
-    }
-  };
-
-  // Modifier key presses don't count as 'real' key presses for the
-  // purpose of keymap fallthrough.
-  var isModifierKey = CodeMirror.isModifierKey = function(value) {
-    var name = typeof value == "string" ? value : keyNames[value.keyCode];
-    return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod";
-  };
-
-  // Look up the name of a key as indicated by an event object.
-  var keyName = CodeMirror.keyName = function(event, noShift) {
-    if (presto && event.keyCode == 34 && event["char"]) return false;
-    var base = keyNames[event.keyCode], name = base;
-    if (name == null || event.altGraphKey) return false;
-    if (event.altKey && base != "Alt") name = "Alt-" + name;
-    if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") name = "Ctrl-" + name;
-    if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") name = "Cmd-" + name;
-    if (!noShift && event.shiftKey && base != "Shift") name = "Shift-" + name;
-    return name;
-  };
-
-  function getKeyMap(val) {
-    return typeof val == "string" ? keyMap[val] : val;
-  }
-
-  // FROMTEXTAREA
-
-  CodeMirror.fromTextArea = function(textarea, options) {
-    options = options ? copyObj(options) : {};
-    options.value = textarea.value;
-    if (!options.tabindex && textarea.tabIndex)
-      options.tabindex = textarea.tabIndex;
-    if (!options.placeholder && textarea.placeholder)
-      options.placeholder = textarea.placeholder;
-    // Set autofocus to true if this textarea is focused, or if it has
-    // autofocus and no other element is focused.
-    if (options.autofocus == null) {
-      var hasFocus = activeElt();
-      options.autofocus = hasFocus == textarea ||
-        textarea.getAttribute("autofocus") != null && hasFocus == document.body;
-    }
-
-    function save() {textarea.value = cm.getValue();}
-    if (textarea.form) {
-      on(textarea.form, "submit", save);
-      // Deplorable hack to make the submit method do the right thing.
-      if (!options.leaveSubmitMethodAlone) {
-        var form = textarea.form, realSubmit = form.submit;
-        try {
-          var wrappedSubmit = form.submit = function() {
-            save();
-            form.submit = realSubmit;
-            form.submit();
-            form.submit = wrappedSubmit;
-          };
-        } catch(e) {}
-      }
-    }
-
-    options.finishInit = function(cm) {
-      cm.save = save;
-      cm.getTextArea = function() { return textarea; };
-      cm.toTextArea = function() {
-        cm.toTextArea = isNaN; // Prevent this from being ran twice
-        save();
-        textarea.parentNode.removeChild(cm.getWrapperElement());
-        textarea.style.display = "";
-        if (textarea.form) {
-          off(textarea.form, "submit", save);
-          if (typeof textarea.form.submit == "function")
-            textarea.form.submit = realSubmit;
-        }
-      };
-    };
-
-    textarea.style.display = "none";
-    var cm = CodeMirror(function(node) {
-      textarea.parentNode.insertBefore(node, textarea.nextSibling);
-    }, options);
-    return cm;
-  };
-
-  // STRING STREAM
-
-  // Fed to the mode parsers, provides helper functions to make
-  // parsers more succinct.
-
-  var StringStream = CodeMirror.StringStream = function(string, tabSize) {
-    this.pos = this.start = 0;
-    this.string = string;
-    this.tabSize = tabSize || 8;
-    this.lastColumnPos = this.lastColumnValue = 0;
-    this.lineStart = 0;
-  };
-
-  StringStream.prototype = {
-    eol: function() {return this.pos >= this.string.length;},
-    sol: function() {return this.pos == this.lineStart;},
-    peek: function() {return this.string.charAt(this.pos) || undefined;},
-    next: function() {
-      if (this.pos < this.string.length)
-        return this.string.charAt(this.pos++);
-    },
-    eat: function(match) {
-      var ch = this.string.charAt(this.pos);
-      if (typeof match == "string") var ok = ch == match;
-      else var ok = ch && (match.test ? match.test(ch) : match(ch));
-      if (ok) {++this.pos; return ch;}
-    },
-    eatWhile: function(match) {
-      var start = this.pos;
-      while (this.eat(match)){}
-      return this.pos > start;
-    },
-    eatSpace: function() {
-      var start = this.pos;
-      while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
-      return this.pos > start;
-    },
-    skipToEnd: function() {this.pos = this.string.length;},
-    skipTo: function(ch) {
-      var found = this.string.indexOf(ch, this.pos);
-      if (found > -1) {this.pos = found; return true;}
-    },
-    backUp: function(n) {this.pos -= n;},
-    column: function() {
-      if (this.lastColumnPos < this.start) {
-        this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
-        this.lastColumnPos = this.start;
-      }
-      return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0);
-    },
-    indentation: function() {
-      return countColumn(this.string, null, this.tabSize) -
-        (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0);
-    },
-    match: function(pattern, consume, caseInsensitive) {
-      if (typeof pattern == "string") {
-        var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;};
-        var substr = this.string.substr(this.pos, pattern.length);
-        if (cased(substr) == cased(pattern)) {
-          if (consume !== false) this.pos += pattern.length;
-          return true;
-        }
-      } else {
-        var match = this.string.slice(this.pos).match(pattern);
-        if (match && match.index > 0) return null;
-        if (match && consume !== false) this.pos += match[0].length;
-        return match;
-      }
-    },
-    current: function(){return this.string.slice(this.start, this.pos);},
-    hideFirstChars: function(n, inner) {
-      this.lineStart += n;
-      try { return inner(); }
-      finally { this.lineStart -= n; }
-    }
-  };
-
-  // TEXTMARKERS
-
-  // Created with markText and setBookmark methods. A TextMarker is a
-  // handle that can be used to clear or find a marked position in the
-  // document. Line objects hold arrays (markedSpans) containing
-  // {from, to, marker} object pointing to such marker objects, and
-  // indicating that such a marker is present on that line. Multiple
-  // lines may point to the same marker when it spans across lines.
-  // The spans will have null for their from/to properties when the
-  // marker continues beyond the start/end of the line. Markers have
-  // links back to the lines they currently touch.
-
-  var nextMarkerId = 0;
-
-  var TextMarker = CodeMirror.TextMarker = function(doc, type) {
-    this.lines = [];
-    this.type = type;
-    this.doc = doc;
-    this.id = ++nextMarkerId;
-  };
-  eventMixin(TextMarker);
-
-  // Clear the marker.
-  TextMarker.prototype.clear = function() {
-    if (this.explicitlyCleared) return;
-    var cm = this.doc.cm, withOp = cm && !cm.curOp;
-    if (withOp) startOperation(cm);
-    if (hasHandler(this, "clear")) {
-      var found = this.find();
-      if (found) signalLater(this, "clear", found.from, found.to);
-    }
-    var min = null, max = null;
-    for (var i = 0; i < this.lines.length; ++i) {
-      var line = this.lines[i];
-      var span = getMarkedSpanFor(line.markedSpans, this);
-      if (cm && !this.collapsed) regLineChange(cm, lineNo(line), "text");
-      else if (cm) {
-        if (span.to != null) max = lineNo(line);
-        if (span.from != null) min = lineNo(line);
-      }
-      line.markedSpans = removeMarkedSpan(line.markedSpans, span);
-      if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm)
-        updateLineHeight(line, textHeight(cm.display));
-    }
-    if (cm && this.collapsed && !cm.options.lineWrapping) for (var i = 0; i < this.lines.length; ++i) {
-      var visual = visualLine(this.lines[i]), len = lineLength(visual);
-      if (len > cm.display.maxLineLength) {
-        cm.display.maxLine = visual;
-        cm.display.maxLineLength = len;
-        cm.display.maxLineChanged = true;
-      }
-    }
-
-    if (min != null && cm && this.collapsed) regChange(cm, min, max + 1);
-    this.lines.length = 0;
-    this.explicitlyCleared = true;
-    if (this.atomic && this.doc.cantEdit) {
-      this.doc.cantEdit = false;
-      if (cm) reCheckSelection(cm.doc);
-    }
-    if (cm) signalLater(cm, "markerCleared", cm, this);
-    if (withOp) endOperation(cm);
-    if (this.parent) this.parent.clear();
-  };
-
-  // Find the position of the marker in the document. Returns a {from,
-  // to} object by default. Side can be passed to get a specific side
-  // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the
-  // Pos objects returned contain a line object, rather than a line
-  // number (used to prevent looking up the same line twice).
-  TextMarker.prototype.find = function(side, lineObj) {
-    if (side == null && this.type == "bookmark") side = 1;
-    var from, to;
-    for (var i = 0; i < this.lines.length; ++i) {
-      var line = this.lines[i];
-      var span = getMarkedSpanFor(line.markedSpans, this);
-      if (span.from != null) {
-        from = Pos(lineObj ? line : lineNo(line), span.from);
-        if (side == -1) return from;
-      }
-      if (span.to != null) {
-        to = Pos(lineObj ? line : lineNo(line), span.to);
-        if (side == 1) return to;
-      }
-    }
-    return from && {from: from, to: to};
-  };
-
-  // Signals that the marker's widget changed, and surrounding layout
-  // should be recomputed.
-  TextMarker.prototype.changed = function() {
-    var pos = this.find(-1, true), widget = this, cm = this.doc.cm;
-    if (!pos || !cm) return;
-    runInOp(cm, function() {
-      var line = pos.line, lineN = lineNo(pos.line);
-      var view = findViewForLine(cm, lineN);
-      if (view) {
-        clearLineMeasurementCacheFor(view);
-        cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;
-      }
-      cm.curOp.updateMaxLine = true;
-      if (!lineIsHidden(widget.doc, line) && widget.height != null) {
-        var oldHeight = widget.height;
-        widget.height = null;
-        var dHeight = widgetHeight(widget) - oldHeight;
-        if (dHeight)
-          updateLineHeight(line, line.height + dHeight);
-      }
-    });
-  };
-
-  TextMarker.prototype.attachLine = function(line) {
-    if (!this.lines.length && this.doc.cm) {
-      var op = this.doc.cm.curOp;
-      if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)
-        (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this);
-    }
-    this.lines.push(line);
-  };
-  TextMarker.prototype.detachLine = function(line) {
-    this.lines.splice(indexOf(this.lines, line), 1);
-    if (!this.lines.length && this.doc.cm) {
-      var op = this.doc.cm.curOp;
-      (op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);
-    }
-  };
-
-  // Collapsed markers have unique ids, in order to be able to order
-  // them, which is needed for uniquely determining an outer marker
-  // when they overlap (they may nest, but not partially overlap).
-  var nextMarkerId = 0;
-
-  // Create a marker, wire it up to the right lines, and
-  function markText(doc, from, to, options, type) {
-    // Shared markers (across linked documents) are handled separately
-    // (markTextShared will call out to this again, once per
-    // document).
-    if (options && options.shared) return markTextShared(doc, from, to, options, type);
-    // Ensure we are in an operation.
-    if (doc.cm && !doc.cm.curOp) return operation(doc.cm, markText)(doc, from, to, options, type);
-
-    var marker = new TextMarker(doc, type), diff = cmp(from, to);
-    if (options) copyObj(options, marker, false);
-    // Don't connect empty markers unless clearWhenEmpty is false
-    if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)
-      return marker;
-    if (marker.replacedWith) {
-      // Showing up as a widget implies collapsed (widget replaces text)
-      marker.collapsed = true;
-      marker.widgetNode = elt("span", [marker.replacedWith], "CodeMirror-widget");
-      if (!options.handleMouseEvents) marker.widgetNode.setAttribute("cm-ignore-events", "true");
-      if (options.insertLeft) marker.widgetNode.insertLeft = true;
-    }
-    if (marker.collapsed) {
-      if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||
-          from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))
-        throw new Error("Inserting collapsed marker partially overlapping an existing one");
-      sawCollapsedSpans = true;
-    }
-
-    if (marker.addToHistory)
-      addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN);
-
-    var curLine = from.line, cm = doc.cm, updateMaxLine;
-    doc.iter(curLine, to.line + 1, function(line) {
-      if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)
-        updateMaxLine = true;
-      if (marker.collapsed && curLine != from.line) updateLineHeight(line, 0);
-      addMarkedSpan(line, new MarkedSpan(marker,
-                                         curLine == from.line ? from.ch : null,
-                                         curLine == to.line ? to.ch : null));
-      ++curLine;
-    });
-    // lineIsHidden depends on the presence of the spans, so needs a second pass
-    if (marker.collapsed) doc.iter(from.line, to.line + 1, function(line) {
-      if (lineIsHidden(doc, line)) updateLineHeight(line, 0);
-    });
-
-    if (marker.clearOnEnter) on(marker, "beforeCursorEnter", function() { marker.clear(); });
-
-    if (marker.readOnly) {
-      sawReadOnlySpans = true;
-      if (doc.history.done.length || doc.history.undone.length)
-        doc.clearHistory();
-    }
-    if (marker.collapsed) {
-      marker.id = ++nextMarkerId;
-      marker.atomic = true;
-    }
-    if (cm) {
-      // Sync editor state
-      if (updateMaxLine) cm.curOp.updateMaxLine = true;
-      if (marker.collapsed)
-        regChange(cm, from.line, to.line + 1);
-      else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css)
-        for (var i = from.line; i <= to.line; i++) regLineChange(cm, i, "text");
-      if (marker.atomic) reCheckSelection(cm.doc);
-      signalLater(cm, "markerAdded", cm, marker);
-    }
-    return marker;
-  }
-
-  // SHARED TEXTMARKERS
-
-  // A shared marker spans multiple linked documents. It is
-  // implemented as a meta-marker-object controlling multiple normal
-  // markers.
-  var SharedTextMarker = CodeMirror.SharedTextMarker = function(markers, primary) {
-    this.markers = markers;
-    this.primary = primary;
-    for (var i = 0; i < markers.length; ++i)
-      markers[i].parent = this;
-  };
-  eventMixin(SharedTextMarker);
-
-  SharedTextMarker.prototype.clear = function() {
-    if (this.explicitlyCleared) return;
-    this.explicitlyCleared = true;
-    for (var i = 0; i < this.markers.length; ++i)
-      this.markers[i].clear();
-    signalLater(this, "clear");
-  };
-  SharedTextMarker.prototype.find = function(side, lineObj) {
-    return this.primary.find(side, lineObj);
-  };
-
-  function markTextShared(doc, from, to, options, type) {
-    options = copyObj(options);
-    options.shared = false;
-    var markers = [markText(doc, from, to, options, type)], primary = markers[0];
-    var widget = options.widgetNode;
-    linkedDocs(doc, function(doc) {
-      if (widget) options.widgetNode = widget.cloneNode(true);
-      markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));
-      for (var i = 0; i < doc.linked.length; ++i)
-        if (doc.linked[i].isParent) return;
-      primary = lst(markers);
-    });
-    return new SharedTextMarker(markers, primary);
-  }
-
-  function findSharedMarkers(doc) {
-    return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())),
-                         function(m) { return m.parent; });
-  }
-
-  function copySharedMarkers(doc, markers) {
-    for (var i = 0; i < markers.length; i++) {
-      var marker = markers[i], pos = marker.find();
-      var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);
-      if (cmp(mFrom, mTo)) {
-        var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);
-        marker.markers.push(subMark);
-        subMark.parent = marker;
-      }
-    }
-  }
-
-  function detachSharedMarkers(markers) {
-    for (var i = 0; i < markers.length; i++) {
-      var marker = markers[i], linked = [marker.primary.doc];;
-      linkedDocs(marker.primary.doc, function(d) { linked.push(d); });
-      for (var j = 0; j < marker.markers.length; j++) {
-        var subMarker = marker.markers[j];
-        if (indexOf(linked, subMarker.doc) == -1) {
-          subMarker.parent = null;
-          marker.markers.splice(j--, 1);
-        }
-      }
-    }
-  }
-
-  // TEXTMARKER SPANS
-
-  function MarkedSpan(marker, from, to) {
-    this.marker = marker;
-    this.from = from; this.to = to;
-  }
-
-  // Search an array of spans for a span matching the given marker.
-  function getMarkedSpanFor(spans, marker) {
-    if (spans) for (var i = 0; i < spans.length; ++i) {
-      var span = spans[i];
-      if (span.marker == marker) return span;
-    }
-  }
-  // Remove a span from an array, returning undefined if no spans are
-  // left (we don't store arrays for lines without spans).
-  function removeMarkedSpan(spans, span) {
-    for (var r, i = 0; i < spans.length; ++i)
-      if (spans[i] != span) (r || (r = [])).push(spans[i]);
-    return r;
-  }
-  // Add a span to a line.
-  function addMarkedSpan(line, span) {
-    line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
-    span.marker.attachLine(line);
-  }
-
-  // Used for the algorithm that adjusts markers for a change in the
-  // document. These functions cut an array of spans at a given
-  // character position, returning an array of remaining chunks (or
-  // undefined if nothing remains).
-  function markedSpansBefore(old, startCh, isInsert) {
-    if (old) for (var i = 0, nw; i < old.length; ++i) {
-      var span = old[i], marker = span.marker;
-      var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
-      if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {
-        var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);
-        (nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));
-      }
-    }
-    return nw;
-  }
-  function markedSpansAfter(old, endCh, isInsert) {
-    if (old) for (var i = 0, nw; i < old.length; ++i) {
-      var span = old[i], marker = span.marker;
-      var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
-      if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {
-        var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);
-        (nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,
-                                              span.to == null ? null : span.to - endCh));
-      }
-    }
-    return nw;
-  }
-
-  // Given a change object, compute the new set of marker spans that
-  // cover the line in which the change took place. Removes spans
-  // entirely within the change, reconnects spans belonging to the
-  // same marker that appear on both sides of the change, and cuts off
-  // spans partially within the change. Returns an array of span
-  // arrays with one element for each line in (after) the change.
-  function stretchSpansOverChange(doc, change) {
-    if (change.full) return null;
-    var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;
-    var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;
-    if (!oldFirst && !oldLast) return null;
-
-    var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;
-    // Get the spans that 'stick out' on both sides
-    var first = markedSpansBefore(oldFirst, startCh, isInsert);
-    var last = markedSpansAfter(oldLast, endCh, isInsert);
-
-    // Next, merge those two ends
-    var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);
-    if (first) {
-      // Fix up .to properties of first
-      for (var i = 0; i < first.length; ++i) {
-        var span = first[i];
-        if (span.to == null) {
-          var found = getMarkedSpanFor(last, span.marker);
-          if (!found) span.to = startCh;
-          else if (sameLine) span.to = found.to == null ? null : found.to + offset;
-        }
-      }
-    }
-    if (last) {
-      // Fix up .from in last (or move them into first in case of sameLine)
-      for (var i = 0; i < last.length; ++i) {
-        var span = last[i];
-        if (span.to != null) span.to += offset;
-        if (span.from == null) {
-          var found = getMarkedSpanFor(first, span.marker);
-          if (!found) {
-            span.from = offset;
-            if (sameLine) (first || (first = [])).push(span);
-          }
-        } else {
-          span.from += offset;
-          if (sameLine) (first || (first = [])).push(span);
-        }
-      }
-    }
-    // Make sure we didn't create any zero-length spans
-    if (first) first = clearEmptySpans(first);
-    if (last && last != first) last = clearEmptySpans(last);
-
-    var newMarkers = [first];
-    if (!sameLine) {
-      // Fill gap with whole-line-spans
-      var gap = change.text.length - 2, gapMarkers;
-      if (gap > 0 && first)
-        for (var i = 0; i < first.length; ++i)
-          if (first[i].to == null)
-            (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i].marker, null, null));
-      for (var i = 0; i < gap; ++i)
-        newMarkers.push(gapMarkers);
-      newMarkers.push(last);
-    }
-    return newMarkers;
-  }
-
-  // Remove spans that are empty and don't have a clearWhenEmpty
-  // option of false.
-  function clearEmptySpans(spans) {
-    for (var i = 0; i < spans.length; ++i) {
-      var span = spans[i];
-      if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
-        spans.splice(i--, 1);
-    }
-    if (!spans.length) return null;
-    return spans;
-  }
-
-  // Used for un/re-doing changes from the history. Combines the
-  // result of computing the existing spans with the set of spans that
-  // existed in the history (so that deleting around a span and then
-  // undoing brings back the span).
-  function mergeOldSpans(doc, change) {
-    var old = getOldSpans(doc, change);
-    var stretched = stretchSpansOverChange(doc, change);
-    if (!old) return stretched;
-    if (!stretched) return old;
-
-    for (var i = 0; i < old.length; ++i) {
-      var oldCur = old[i], stretchCur = stretched[i];
-      if (oldCur && stretchCur) {
-        spans: for (var j = 0; j < stretchCur.length; ++j) {
-          var span = stretchCur[j];
-          for (var k = 0; k < oldCur.length; ++k)
-            if (oldCur[k].marker == span.marker) continue spans;
-          oldCur.push(span);
-        }
-      } else if (stretchCur) {
-        old[i] = stretchCur;
-      }
-    }
-    return old;
-  }
-
-  // Used to 'clip' out readOnly ranges when making a change.
-  function removeReadOnlyRanges(doc, from, to) {
-    var markers = null;
-    doc.iter(from.line, to.line + 1, function(line) {
-      if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) {
-        var mark = line.markedSpans[i].marker;
-        if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
-          (markers || (markers = [])).push(mark);
-      }
-    });
-    if (!markers) return null;
-    var parts = [{from: from, to: to}];
-    for (var i = 0; i < markers.length; ++i) {
-      var mk = markers[i], m = mk.find(0);
-      for (var j = 0; j < parts.length; ++j) {
-        var p = parts[j];
-        if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) continue;
-        var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);
-        if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)
-          newParts.push({from: p.from, to: m.from});
-        if (dto > 0 || !mk.inclusiveRight && !dto)
-          newParts.push({from: m.to, to: p.to});
-        parts.splice.apply(parts, newParts);
-        j += newParts.length - 1;
-      }
-    }
-    return parts;
-  }
-
-  // Connect or disconnect spans from a line.
-  function detachMarkedSpans(line) {
-    var spans = line.markedSpans;
-    if (!spans) return;
-    for (var i = 0; i < spans.length; ++i)
-      spans[i].marker.detachLine(line);
-    line.markedSpans = null;
-  }
-  function attachMarkedSpans(line, spans) {
-    if (!spans) return;
-    for (var i = 0; i < spans.length; ++i)
-      spans[i].marker.attachLine(line);
-    line.markedSpans = spans;
-  }
-
-  // Helpers used when computing which overlapping collapsed span
-  // counts as the larger one.
-  function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0; }
-  function extraRight(marker) { return marker.inclusiveRight ? 1 : 0; }
-
-  // Returns a number indicating which of two overlapping collapsed
-  // spans is larger (and thus includes the other). Falls back to
-  // comparing ids when the spans cover exactly the same range.
-  function compareCollapsedMarkers(a, b) {
-    var lenDiff = a.lines.length - b.lines.length;
-    if (lenDiff != 0) return lenDiff;
-    var aPos = a.find(), bPos = b.find();
-    var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);
-    if (fromCmp) return -fromCmp;
-    var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);
-    if (toCmp) return toCmp;
-    return b.id - a.id;
-  }
-
-  // Find out whether a line ends or starts in a collapsed span. If
-  // so, return the marker for that span.
-  function collapsedSpanAtSide(line, start) {
-    var sps = sawCollapsedSpans && line.markedSpans, found;
-    if (sps) for (var sp, i = 0; i < sps.length; ++i) {
-      sp = sps[i];
-      if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&
-          (!found || compareCollapsedMarkers(found, sp.marker) < 0))
-        found = sp.marker;
-    }
-    return found;
-  }
-  function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true); }
-  function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false); }
-
-  // Test whether there exists a collapsed span that partially
-  // overlaps (covers the start or end, but not both) of a new span.
-  // Such overlap is not allowed.
-  function conflictingCollapsedRange(doc, lineNo, from, to, marker) {
-    var line = getLine(doc, lineNo);
-    var sps = sawCollapsedSpans && line.markedSpans;
-    if (sps) for (var i = 0; i < sps.length; ++i) {
-      var sp = sps[i];
-      if (!sp.marker.collapsed) continue;
-      var found = sp.marker.find(0);
-      var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);
-      var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);
-      if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) continue;
-      if (fromCmp <= 0 && (cmp(found.to, from) > 0 || (sp.marker.inclusiveRight && marker.inclusiveLeft)) ||
-          fromCmp >= 0 && (cmp(found.from, to) < 0 || (sp.marker.inclusiveLeft && marker.inclusiveRight)))
-        return true;
-    }
-  }
-
-  // A visual line is a line as drawn on the screen. Folding, for
-  // example, can cause multiple logical lines to appear on the same
-  // visual line. This finds the start of the visual line that the
-  // given line is part of (usually that is the line itself).
-  function visualLine(line) {
-    var merged;
-    while (merged = collapsedSpanAtStart(line))
-      line = merged.find(-1, true).line;
-    return line;
-  }
-
-  // Returns an array of logical lines that continue the visual line
-  // started by the argument, or undefined if there are no such lines.
-  function visualLineContinued(line) {
-    var merged, lines;
-    while (merged = collapsedSpanAtEnd(line)) {
-      line = merged.find(1, true).line;
-      (lines || (lines = [])).push(line);
-    }
-    return lines;
-  }
-
-  // Get the line number of the start of the visual line that the
-  // given line number is part of.
-  function visualLineNo(doc, lineN) {
-    var line = getLine(doc, lineN), vis = visualLine(line);
-    if (line == vis) return lineN;
-    return lineNo(vis);
-  }
-  // Get the line number of the start of the next visual line after
-  // the given line.
-  function visualLineEndNo(doc, lineN) {
-    if (lineN > doc.lastLine()) return lineN;
-    var line = getLine(doc, lineN), merged;
-    if (!lineIsHidden(doc, line)) return lineN;
-    while (merged = collapsedSpanAtEnd(line))
-      line = merged.find(1, true).line;
-    return lineNo(line) + 1;
-  }
-
-  // Compute whether a line is hidden. Lines count as hidden when they
-  // are part of a visual line that starts with another line, or when
-  // they are entirely covered by collapsed, non-widget span.
-  function lineIsHidden(doc, line) {
-    var sps = sawCollapsedSpans && line.markedSpans;
-    if (sps) for (var sp, i = 0; i < sps.length; ++i) {
-      sp = sps[i];
-      if (!sp.marker.collapsed) continue;
-      if (sp.from == null) return true;
-      if (sp.marker.widgetNode) continue;
-      if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
-        return true;
-    }
-  }
-  function lineIsHiddenInner(doc, line, span) {
-    if (span.to == null) {
-      var end = span.marker.find(1, true);
-      return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker));
-    }
-    if (span.marker.inclusiveRight && span.to == line.text.length)
-      return true;
-    for (var sp, i = 0; i < line.markedSpans.length; ++i) {
-      sp = line.markedSpans[i];
-      if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&
-          (sp.to == null || sp.to != span.from) &&
-          (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
-          lineIsHiddenInner(doc, line, sp)) return true;
-    }
-  }
-
-  // LINE WIDGETS
-
-  // Line widgets are block elements displayed above or below a line.
-
-  var LineWidget = CodeMirror.LineWidget = function(doc, node, options) {
-    if (options) for (var opt in options) if (options.hasOwnProperty(opt))
-      this[opt] = options[opt];
-    this.doc = doc;
-    this.node = node;
-  };
-  eventMixin(LineWidget);
-
-  function adjustScrollWhenAboveVisible(cm, line, diff) {
-    if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))
-      addToScrollPos(cm, null, diff);
-  }
-
-  LineWidget.prototype.clear = function() {
-    var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);
-    if (no == null || !ws) return;
-    for (var i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1);
-    if (!ws.length) line.widgets = null;
-    var height = widgetHeight(this);
-    updateLineHeight(line, Math.max(0, line.height - height));
-    if (cm) runInOp(cm, function() {
-      adjustScrollWhenAboveVisible(cm, line, -height);
-      regLineChange(cm, no, "widget");
-    });
-  };
-  LineWidget.prototype.changed = function() {
-    var oldH = this.height, cm = this.doc.cm, line = this.line;
-    this.height = null;
-    var diff = widgetHeight(this) - oldH;
-    if (!diff) return;
-    updateLineHeight(line, line.height + diff);
-    if (cm) runInOp(cm, function() {
-      cm.curOp.forceUpdate = true;
-      adjustScrollWhenAboveVisible(cm, line, diff);
-    });
-  };
-
-  function widgetHeight(widget) {
-    if (widget.height != null) return widget.height;
-    var cm = widget.doc.cm;
-    if (!cm) return 0;
-    if (!contains(document.body, widget.node)) {
-      var parentStyle = "position: relative;";
-      if (widget.coverGutter)
-        parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;";
-      if (widget.noHScroll)
-        parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;";
-      removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle));
-    }
-    return widget.height = widget.node.parentNode.offsetHeight;
-  }
-
-  function addLineWidget(doc, handle, node, options) {
-    var widget = new LineWidget(doc, node, options);
-    var cm = doc.cm;
-    if (cm && widget.noHScroll) cm.display.alignWidgets = true;
-    changeLine(doc, handle, "widget", function(line) {
-      var widgets = line.widgets || (line.widgets = []);
-      if (widget.insertAt == null) widgets.push(widget);
-      else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget);
-      widget.line = line;
-      if (cm && !lineIsHidden(doc, line)) {
-        var aboveVisible = heightAtLine(line) < doc.scrollTop;
-        updateLineHeight(line, line.height + widgetHeight(widget));
-        if (aboveVisible) addToScrollPos(cm, null, widget.height);
-        cm.curOp.forceUpdate = true;
-      }
-      return true;
-    });
-    return widget;
-  }
-
-  // LINE DATA STRUCTURE
-
-  // Line objects. These hold state related to a line, including
-  // highlighting info (the styles array).
-  var Line = CodeMirror.Line = function(text, markedSpans, estimateHeight) {
-    this.text = text;
-    attachMarkedSpans(this, markedSpans);
-    this.height = estimateHeight ? estimateHeight(this) : 1;
-  };
-  eventMixin(Line);
-  Line.prototype.lineNo = function() { return lineNo(this); };
-
-  // Change the content (text, markers) of a line. Automatically
-  // invalidates cached information and tries to re-estimate the
-  // line's height.
-  function updateLine(line, text, markedSpans, estimateHeight) {
-    line.text = text;
-    if (line.stateAfter) line.stateAfter = null;
-    if (line.styles) line.styles = null;
-    if (line.order != null) line.order = null;
-    detachMarkedSpans(line);
-    attachMarkedSpans(line, markedSpans);
-    var estHeight = estimateHeight ? estimateHeight(line) : 1;
-    if (estHeight != line.height) updateLineHeight(line, estHeight);
-  }
-
-  // Detach a line from the document tree and its markers.
-  function cleanUpLine(line) {
-    line.parent = null;
-    detachMarkedSpans(line);
-  }
-
-  function extractLineClasses(type, output) {
-    if (type) for (;;) {
-      var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/);
-      if (!lineClass) break;
-      type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);
-      var prop = lineClass[1] ? "bgClass" : "textClass";
-      if (output[prop] == null)
-        output[prop] = lineClass[2];
-      else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop]))
-        output[prop] += " " + lineClass[2];
-    }
-    return type;
-  }
-
-  function callBlankLine(mode, state) {
-    if (mode.blankLine) return mode.blankLine(state);
-    if (!mode.innerMode) return;
-    var inner = CodeMirror.innerMode(mode, state);
-    if (inner.mode.blankLine) return inner.mode.blankLine(inner.state);
-  }
-
-  function readToken(mode, stream, state, inner) {
-    for (var i = 0; i < 10; i++) {
-      if (inner) inner[0] = CodeMirror.innerMode(mode, state).mode;
-      var style = mode.token(stream, state);
-      if (stream.pos > stream.start) return style;
-    }
-    throw new Error("Mode " + mode.name + " failed to advance stream.");
-  }
-
-  // Utility for getTokenAt and getLineTokens
-  function takeToken(cm, pos, precise, asArray) {
-    function getObj(copy) {
-      return {start: stream.start, end: stream.pos,
-              string: stream.current(),
-              type: style || null,
-              state: copy ? copyState(doc.mode, state) : state};
-    }
-
-    var doc = cm.doc, mode = doc.mode, style;
-    pos = clipPos(doc, pos);
-    var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise);
-    var stream = new StringStream(line.text, cm.options.tabSize), tokens;
-    if (asArray) tokens = [];
-    while ((asArray || stream.pos < pos.ch) && !stream.eol()) {
-      stream.start = stream.pos;
-      style = readToken(mode, stream, state);
-      if (asArray) tokens.push(getObj(true));
-    }
-    return asArray ? tokens : getObj();
-  }
-
-  // Run the given mode's parser over a line, calling f for each token.
-  function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) {
-    var flattenSpans = mode.flattenSpans;
-    if (flattenSpans == null) flattenSpans = cm.options.flattenSpans;
-    var curStart = 0, curStyle = null;
-    var stream = new StringStream(text, cm.options.tabSize), style;
-    var inner = cm.options.addModeClass && [null];
-    if (text == "") extractLineClasses(callBlankLine(mode, state), lineClasses);
-    while (!stream.eol()) {
-      if (stream.pos > cm.options.maxHighlightLength) {
-        flattenSpans = false;
-        if (forceToEnd) processLine(cm, text, state, stream.pos);
-        stream.pos = text.length;
-        style = null;
-      } else {
-        style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses);
-      }
-      if (inner) {
-        var mName = inner[0].name;
-        if (mName) style = "m-" + (style ? mName + " " + style : mName);
-      }
-      if (!flattenSpans || curStyle != style) {
-        while (curStart < stream.start) {
-          curStart = Math.min(stream.start, curStart + 50000);
-          f(curStart, curStyle);
-        }
-        curStyle = style;
-      }
-      stream.start = stream.pos;
-    }
-    while (curStart < stream.pos) {
-      // Webkit seems to refuse to render text nodes longer than 57444 characters
-      var pos = Math.min(stream.pos, curStart + 50000);
-      f(pos, curStyle);
-      curStart = pos;
-    }
-  }
-
-  // Compute a style array (an array starting with a mode generation
-  // -- for invalidation -- followed by pairs of end positions and
-  // style strings), which is used to highlight the tokens on the
-  // line.
-  function highlightLine(cm, line, state, forceToEnd) {
-    // A styles array always starts with a number identifying the
-    // mode/overlays that it is based on (for easy invalidation).
-    var st = [cm.state.modeGen], lineClasses = {};
-    // Compute the base array of styles
-    runMode(cm, line.text, cm.doc.mode, state, function(end, style) {
-      st.push(end, style);
-    }, lineClasses, forceToEnd);
-
-    // Run overlays, adjust style array.
-    for (var o = 0; o < cm.state.overlays.length; ++o) {
-      var overlay = cm.state.overlays[o], i = 1, at = 0;
-      runMode(cm, line.text, overlay.mode, true, function(end, style) {
-        var start = i;
-        // Ensure there's a token end at the current position, and that i points at it
-        while (at < end) {
-          var i_end = st[i];
-          if (i_end > end)
-            st.splice(i, 1, end, st[i+1], i_end);
-          i += 2;
-          at = Math.min(end, i_end);
-        }
-        if (!style) return;
-        if (overlay.opaque) {
-          st.splice(start, i - start, end, "cm-overlay " + style);
-          i = start + 2;
-        } else {
-          for (; start < i; start += 2) {
-            var cur = st[start+1];
-            st[start+1] = (cur ? cur + " " : "") + "cm-overlay " + style;
-          }
-        }
-      }, lineClasses);
-    }
-
-    return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null};
-  }
-
-  function getLineStyles(cm, line, updateFrontier) {
-    if (!line.styles || line.styles[0] != cm.state.modeGen) {
-      var state = getStateBefore(cm, lineNo(line));
-      var result = highlightLine(cm, line, line.text.length > cm.options.maxHighlightLength ? copyState(cm.doc.mode, state) : state);
-      line.stateAfter = state;
-      line.styles = result.styles;
-      if (result.classes) line.styleClasses = result.classes;
-      else if (line.styleClasses) line.styleClasses = null;
-      if (updateFrontier === cm.doc.frontier) cm.doc.frontier++;
-    }
-    return line.styles;
-  }
-
-  // Lightweight form of highlight -- proceed over this line and
-  // update state, but don't save a style array. Used for lines that
-  // aren't currently visible.
-  function processLine(cm, text, state, startAt) {
-    var mode = cm.doc.mode;
-    var stream = new StringStream(text, cm.options.tabSize);
-    stream.start = stream.pos = startAt || 0;
-    if (text == "") callBlankLine(mode, state);
-    while (!stream.eol()) {
-      readToken(mode, stream, state);
-      stream.start = stream.pos;
-    }
-  }
-
-  // Convert a style as returned by a mode (either null, or a string
-  // containing one or more styles) to a CSS style. This is cached,
-  // and also looks for line-wide styles.
-  var styleToClassCache = {}, styleToClassCacheWithMode = {};
-  function interpretTokenStyle(style, options) {
-    if (!style || /^\s*$/.test(style)) return null;
-    var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;
-    return cache[style] ||
-      (cache[style] = style.replace(/\S+/g, "cm-$&"));
-  }
-
-  // Render the DOM representation of the text of a line. Also builds
-  // up a 'line map', which points at the DOM nodes that represent
-  // specific stretches of text, and is used by the measuring code.
-  // The returned object contains the DOM node, this map, and
-  // information about line-wide styles that were set by the mode.
-  function buildLineContent(cm, lineView) {
-    // The padding-right forces the element to have a 'border', which
-    // is needed on Webkit to be able to get line-level bounding
-    // rectangles for it (in measureChar).
-    var content = elt("span", null, null, webkit ? "padding-right: .1px" : null);
-    var builder = {pre: elt("pre", [content], "CodeMirror-line"), content: content,
-                   col: 0, pos: 0, cm: cm,
-                   splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")};
-    lineView.measure = {};
-
-    // Iterate over the logical lines that make up this visual line.
-    for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
-      var line = i ? lineView.rest[i - 1] : lineView.line, order;
-      builder.pos = 0;
-      builder.addToken = buildToken;
-      // Optionally wire in some hacks into the token-rendering
-      // algorithm, to deal with browser quirks.
-      if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line)))
-        builder.addToken = buildTokenBadBidi(builder.addToken, order);
-      builder.map = [];
-      var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);
-      insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));
-      if (line.styleClasses) {
-        if (line.styleClasses.bgClass)
-          builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || "");
-        if (line.styleClasses.textClass)
-          builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || "");
-      }
-
-      // Ensure at least a single node is present, for measuring.
-      if (builder.map.length == 0)
-        builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure)));
-
-      // Store the map and a cache object for the current logical line
-      if (i == 0) {
-        lineView.measure.map = builder.map;
-        lineView.measure.cache = {};
-      } else {
-        (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map);
-        (lineView.measure.caches || (lineView.measure.caches = [])).push({});
-      }
-    }
-
-    // See issue #2901
-    if (webkit && /\bcm-tab\b/.test(builder.content.lastChild.className))
-      builder.content.className = "cm-tab-wrap-hack";
-
-    signal(cm, "renderLine", cm, lineView.line, builder.pre);
-    if (builder.pre.className)
-      builder.textClass = joinClasses(builder.pre.className, builder.textClass || "");
-
-    return builder;
-  }
-
-  function defaultSpecialCharPlaceholder(ch) {
-    var token = elt("span", "\u2022", "cm-invalidchar");
-    token.title = "\\u" + ch.charCodeAt(0).toString(16);
-    token.setAttribute("aria-label", token.title);
-    return token;
-  }
-
-  // Build up the DOM representation for a single token, and add it to
-  // the line map. Takes care to render special characters separately.
-  function buildToken(builder, text, style, startStyle, endStyle, title, css) {
-    if (!text) return;
-    var displayText = builder.splitSpaces ? text.replace(/ {3,}/g, splitSpaces) : text;
-    var special = builder.cm.state.specialChars, mustWrap = false;
-    if (!special.test(text)) {
-      builder.col += text.length;
-      var content = document.createTextNode(displayText);
-      builder.map.push(builder.pos, builder.pos + text.length, content);
-      if (ie && ie_version < 9) mustWrap = true;
-      builder.pos += text.length;
-    } else {
-      var content = document.createDocumentFragment(), pos = 0;
-      while (true) {
-        special.lastIndex = pos;
-        var m = special.exec(text);
-        var skipped = m ? m.index - pos : text.length - pos;
-        if (skipped) {
-          var txt = document.createTextNode(displayText.slice(pos, pos + skipped));
-          if (ie && ie_version < 9) content.appendChild(elt("span", [txt]));
-          else content.appendChild(txt);
-          builder.map.push(builder.pos, builder.pos + skipped, txt);
-          builder.col += skipped;
-          builder.pos += skipped;
-        }
-        if (!m) break;
-        pos += skipped + 1;
-        if (m[0] == "\t") {
-          var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
-          var txt = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
-          txt.setAttribute("role", "presentation");
-          txt.setAttribute("cm-text", "\t");
-          builder.col += tabWidth;
-        } else if (m[0] == "\r" || m[0] == "\n") {
-          var txt = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar"));
-          txt.setAttribute("cm-text", m[0]);
-          builder.col += 1;
-        } else {
-          var txt = builder.cm.options.specialCharPlaceholder(m[0]);
-          txt.setAttribute("cm-text", m[0]);
-          if (ie && ie_version < 9) content.appendChild(elt("span", [txt]));
-          else content.appendChild(txt);
-          builder.col += 1;
-        }
-        builder.map.push(builder.pos, builder.pos + 1, txt);
-        builder.pos++;
-      }
-    }
-    if (style || startStyle || endStyle || mustWrap || css) {
-      var fullStyle = style || "";
-      if (startStyle) fullStyle += startStyle;
-      if (endStyle) fullStyle += endStyle;
-      var token = elt("span", [content], fullStyle, css);
-      if (title) token.title = title;
-      return builder.content.appendChild(token);
-    }
-    builder.content.appendChild(content);
-  }
-
-  function splitSpaces(old) {
-    var out = " ";
-    for (var i = 0; i < old.length - 2; ++i) out += i % 2 ? " " : "\u00a0";
-    out += " ";
-    return out;
-  }
-
-  // Work around nonsense dimensions being reported for stretches of
-  // right-to-left text.
-  function buildTokenBadBidi(inner, order) {
-    return function(builder, text, style, startStyle, endStyle, title, css) {
-      style = style ? style + " cm-force-border" : "cm-force-border";
-      var start = builder.pos, end = start + text.length;
-      for (;;) {
-        // Find the part that overlaps with the start of this text
-        for (var i = 0; i < order.length; i++) {
-          var part = order[i];
-          if (part.to > start && part.from <= start) break;
-        }
-        if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, title, css);
-        inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css);
-        startStyle = null;
-        text = text.slice(part.to - start);
-        start = part.to;
-      }
-    };
-  }
-
-  function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
-    var widget = !ignoreWidget && marker.widgetNode;
-    if (widget) builder.map.push(builder.pos, builder.pos + size, widget);
-    if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {
-      if (!widget)
-        widget = builder.content.appendChild(document.createElement("span"));
-      widget.setAttribute("cm-marker", marker.id);
-    }
-    if (widget) {
-      builder.cm.display.input.setUneditable(widget);
-      builder.content.appendChild(widget);
-    }
-    builder.pos += size;
-  }
-
-  // Outputs a number of spans to make up a line, taking highlighting
-  // and marked text into account.
-  function insertLineContent(line, builder, styles) {
-    var spans = line.markedSpans, allText = line.text, at = 0;
-    if (!spans) {
-      for (var i = 1; i < styles.length; i+=2)
-        builder.addToken(builder, allText.slice(at, at = styles[i]), interpretTokenStyle(styles[i+1], builder.cm.options));
-      return;
-    }
-
-    var len = allText.length, pos = 0, i = 1, text = "", style, css;
-    var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed;
-    for (;;) {
-      if (nextChange == pos) { // Update current marker set
-        spanStyle = spanEndStyle = spanStartStyle = title = css = "";
-        collapsed = null; nextChange = Infinity;
-        var foundBookmarks = [], endStyles
-        for (var j = 0; j < spans.length; ++j) {
-          var sp = spans[j], m = sp.marker;
-          if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {
-            foundBookmarks.push(m);
-          } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {
-            if (sp.to != null && sp.to != pos && nextChange > sp.to) {
-              nextChange = sp.to;
-              spanEndStyle = "";
-            }
-            if (m.className) spanStyle += " " + m.className;
-            if (m.css) css = (css ? css + ";" : "") + m.css;
-            if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle;
-            if (m.endStyle && sp.to == nextChange) (endStyles || (endStyles = [])).push(m.endStyle, sp.to)
-            if (m.title && !title) title = m.title;
-            if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))
-              collapsed = sp;
-          } else if (sp.from > pos && nextChange > sp.from) {
-            nextChange = sp.from;
-          }
-        }
-        if (endStyles) for (var j = 0; j < endStyles.length; j += 2)
-          if (endStyles[j + 1] == nextChange) spanEndStyle += " " + endStyles[j]
-
-        if (!collapsed || collapsed.from == pos) for (var j = 0; j < foundBookmarks.length; ++j)
-          buildCollapsedSpan(builder, 0, foundBookmarks[j]);
-        if (collapsed && (collapsed.from || 0) == pos) {
-          buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,
-                             collapsed.marker, collapsed.from == null);
-          if (collapsed.to == null) return;
-          if (collapsed.to == pos) collapsed = false;
-        }
-      }
-      if (pos >= len) break;
-
-      var upto = Math.min(len, nextChange);
-      while (true) {
-        if (text) {
-          var end = pos + text.length;
-          if (!collapsed) {
-            var tokenText = end > upto ? text.slice(0, upto - pos) : text;
-            builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
-                             spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css);
-          }
-          if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;}
-          pos = end;
-          spanStartStyle = "";
-        }
-        text = allText.slice(at, at = styles[i++]);
-        style = interpretTokenStyle(styles[i++], builder.cm.options);
-      }
-    }
+    cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first;
+    startWorker(cm, 100);
+    cm.state.modeGen++;
+    if (cm.curOp) { regChange(cm); }
   }
 
   // DOCUMENT DATA STRUCTURE
@@ -7153,20 +4708,21 b''
   // widgets and marker elements with the text behave more intuitive.
   function isWholeLineUpdate(doc, change) {
     return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" &&
-      (!doc.cm || doc.cm.options.wholeLineUpdateBefore);
+      (!doc.cm || doc.cm.options.wholeLineUpdateBefore)
   }
 
   // Perform a change on the document data structure.
-  function updateDoc(doc, change, markedSpans, estimateHeight) {
-    function spansFor(n) {return markedSpans ? markedSpans[n] : null;}
+  function updateDoc(doc, change, markedSpans, estimateHeight$$1) {
+    function spansFor(n) {return markedSpans ? markedSpans[n] : null}
     function update(line, text, spans) {
-      updateLine(line, text, spans, estimateHeight);
+      updateLine(line, text, spans, estimateHeight$$1);
       signalLater(line, "change", line, change);
     }
     function linesFor(start, end) {
-      for (var i = start, result = []; i < end; ++i)
-        result.push(new Line(text[i], spansFor(i), estimateHeight));
-      return result;
+      var result = [];
+      for (var i = start; i < end; ++i)
+        { result.push(new Line(text[i], spansFor(i), estimateHeight$$1)); }
+      return result
     }
 
     var from = change.from, to = change.to, text = change.text;
@@ -7182,16 +4738,16 b''
       // sure line objects move the way they are supposed to.
       var added = linesFor(0, text.length - 1);
       update(lastLine, lastLine.text, lastSpans);
-      if (nlines) doc.remove(from.line, nlines);
-      if (added.length) doc.insert(from.line, added);
+      if (nlines) { doc.remove(from.line, nlines); }
+      if (added.length) { doc.insert(from.line, added); }
     } else if (firstLine == lastLine) {
       if (text.length == 1) {
         update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);
       } else {
-        var added = linesFor(1, text.length - 1);
-        added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight));
+        var added$1 = linesFor(1, text.length - 1);
+        added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight$$1));
         update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
-        doc.insert(from.line + 1, added);
+        doc.insert(from.line + 1, added$1);
       }
     } else if (text.length == 1) {
       update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));
@@ -7199,671 +4755,52 b''
     } else {
       update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
       update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);
-      var added = linesFor(1, text.length - 1);
-      if (nlines > 1) doc.remove(from.line + 1, nlines - 1);
-      doc.insert(from.line + 1, added);
+      var added$2 = linesFor(1, text.length - 1);
+      if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); }
+      doc.insert(from.line + 1, added$2);
     }
 
     signalLater(doc, "change", doc, change);
   }
 
-  // The document is represented as a BTree consisting of leaves, with
-  // chunk of lines in them, and branches, with up to ten leaves or
-  // other branch nodes below them. The top node is always a branch
-  // node, and is the document object itself (meaning it has
-  // additional methods and properties).
-  //
-  // All nodes have parent links. The tree is used both to go from
-  // line numbers to line objects, and to go from objects to numbers.
-  // It also indexes by height, and is used to convert between height
-  // and line object, and to find the total height of the document.
-  //
-  // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html
-
-  function LeafChunk(lines) {
-    this.lines = lines;
-    this.parent = null;
-    for (var i = 0, height = 0; i < lines.length; ++i) {
-      lines[i].parent = this;
-      height += lines[i].height;
-    }
-    this.height = height;
-  }
-
-  LeafChunk.prototype = {
-    chunkSize: function() { return this.lines.length; },
-    // Remove the n lines at offset 'at'.
-    removeInner: function(at, n) {
-      for (var i = at, e = at + n; i < e; ++i) {
-        var line = this.lines[i];
-        this.height -= line.height;
-        cleanUpLine(line);
-        signalLater(line, "delete");
-      }
-      this.lines.splice(at, n);
-    },
-    // Helper used to collapse a small branch into a single leaf.
-    collapse: function(lines) {
-      lines.push.apply(lines, this.lines);
-    },
-    // Insert the given array of lines at offset 'at', count them as
-    // having the given height.
-    insertInner: function(at, lines, height) {
-      this.height += height;
-      this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
-      for (var i = 0; i < lines.length; ++i) lines[i].parent = this;
-    },
-    // Used to iterate over a part of the tree.
-    iterN: function(at, n, op) {
-      for (var e = at + n; at < e; ++at)
-        if (op(this.lines[at])) return true;
-    }
-  };
-
-  function BranchChunk(children) {
-    this.children = children;
-    var size = 0, height = 0;
-    for (var i = 0; i < children.length; ++i) {
-      var ch = children[i];
-      size += ch.chunkSize(); height += ch.height;
-      ch.parent = this;
-    }
-    this.size = size;
-    this.height = height;
-    this.parent = null;
-  }
-
-  BranchChunk.prototype = {
-    chunkSize: function() { return this.size; },
-    removeInner: function(at, n) {
-      this.size -= n;
-      for (var i = 0; i < this.children.length; ++i) {
-        var child = this.children[i], sz = child.chunkSize();
-        if (at < sz) {
-          var rm = Math.min(n, sz - at), oldHeight = child.height;
-          child.removeInner(at, rm);
-          this.height -= oldHeight - child.height;
-          if (sz == rm) { this.children.splice(i--, 1); child.parent = null; }
-          if ((n -= rm) == 0) break;
-          at = 0;
-        } else at -= sz;
-      }
-      // If the result is smaller than 25 lines, ensure that it is a
-      // single leaf node.
-      if (this.size - n < 25 &&
-          (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {
-        var lines = [];
-        this.collapse(lines);
-        this.children = [new LeafChunk(lines)];
-        this.children[0].parent = this;
-      }
-    },
-    collapse: function(lines) {
-      for (var i = 0; i < this.children.length; ++i) this.children[i].collapse(lines);
-    },
-    insertInner: function(at, lines, height) {
-      this.size += lines.length;
-      this.height += height;
-      for (var i = 0; i < this.children.length; ++i) {
-        var child = this.children[i], sz = child.chunkSize();
-        if (at <= sz) {
-          child.insertInner(at, lines, height);
-          if (child.lines && child.lines.length > 50) {
-            while (child.lines.length > 50) {
-              var spilled = child.lines.splice(child.lines.length - 25, 25);
-              var newleaf = new LeafChunk(spilled);
-              child.height -= newleaf.height;
-              this.children.splice(i + 1, 0, newleaf);
-              newleaf.parent = this;
-            }
-            this.maybeSpill();
-          }
-          break;
-        }
-        at -= sz;
-      }
-    },
-    // When a node has grown, check whether it should be split.
-    maybeSpill: function() {
-      if (this.children.length <= 10) return;
-      var me = this;
-      do {
-        var spilled = me.children.splice(me.children.length - 5, 5);
-        var sibling = new BranchChunk(spilled);
-        if (!me.parent) { // Become the parent node
-          var copy = new BranchChunk(me.children);
-          copy.parent = me;
-          me.children = [copy, sibling];
-          me = copy;
-        } else {
-          me.size -= sibling.size;
-          me.height -= sibling.height;
-          var myIndex = indexOf(me.parent.children, me);
-          me.parent.children.splice(myIndex + 1, 0, sibling);
-        }
-        sibling.parent = me.parent;
-      } while (me.children.length > 10);
-      me.parent.maybeSpill();
-    },
-    iterN: function(at, n, op) {
-      for (var i = 0; i < this.children.length; ++i) {
-        var child = this.children[i], sz = child.chunkSize();
-        if (at < sz) {
-          var used = Math.min(n, sz - at);
-          if (child.iterN(at, used, op)) return true;
-          if ((n -= used) == 0) break;
-          at = 0;
-        } else at -= sz;
-      }
-    }
-  };
-
-  var nextDocId = 0;
-  var Doc = CodeMirror.Doc = function(text, mode, firstLine, lineSep) {
-    if (!(this instanceof Doc)) return new Doc(text, mode, firstLine, lineSep);
-    if (firstLine == null) firstLine = 0;
-
-    BranchChunk.call(this, [new LeafChunk([new Line("", null)])]);
-    this.first = firstLine;
-    this.scrollTop = this.scrollLeft = 0;
-    this.cantEdit = false;
-    this.cleanGeneration = 1;
-    this.frontier = firstLine;
-    var start = Pos(firstLine, 0);
-    this.sel = simpleSelection(start);
-    this.history = new History(null);
-    this.id = ++nextDocId;
-    this.modeOption = mode;
-    this.lineSep = lineSep;
-    this.extend = false;
-
-    if (typeof text == "string") text = this.splitLines(text);
-    updateDoc(this, {from: start, to: start, text: text});
-    setSelection(this, simpleSelection(start), sel_dontScroll);
-  };
-
-  Doc.prototype = createObj(BranchChunk.prototype, {
-    constructor: Doc,
-    // Iterate over the document. Supports two forms -- with only one
-    // argument, it calls that for each line in the document. With
-    // three, it iterates over the range given by the first two (with
-    // the second being non-inclusive).
-    iter: function(from, to, op) {
-      if (op) this.iterN(from - this.first, to - from, op);
-      else this.iterN(this.first, this.first + this.size, from);
-    },
-
-    // Non-public interface for adding and removing lines.
-    insert: function(at, lines) {
-      var height = 0;
-      for (var i = 0; i < lines.length; ++i) height += lines[i].height;
-      this.insertInner(at - this.first, lines, height);
-    },
-    remove: function(at, n) { this.removeInner(at - this.first, n); },
-
-    // From here, the methods are part of the public interface. Most
-    // are also available from CodeMirror (editor) instances.
-
-    getValue: function(lineSep) {
-      var lines = getLines(this, this.first, this.first + this.size);
-      if (lineSep === false) return lines;
-      return lines.join(lineSep || this.lineSeparator());
-    },
-    setValue: docMethodOp(function(code) {
-      var top = Pos(this.first, 0), last = this.first + this.size - 1;
-      makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
-                        text: this.splitLines(code), origin: "setValue", full: true}, true);
-      setSelection(this, simpleSelection(top));
-    }),
-    replaceRange: function(code, from, to, origin) {
-      from = clipPos(this, from);
-      to = to ? clipPos(this, to) : from;
-      replaceRange(this, code, from, to, origin);
-    },
-    getRange: function(from, to, lineSep) {
-      var lines = getBetween(this, clipPos(this, from), clipPos(this, to));
-      if (lineSep === false) return lines;
-      return lines.join(lineSep || this.lineSeparator());
-    },
-
-    getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;},
-
-    getLineHandle: function(line) {if (isLine(this, line)) return getLine(this, line);},
-    getLineNumber: function(line) {return lineNo(line);},
-
-    getLineHandleVisualStart: function(line) {
-      if (typeof line == "number") line = getLine(this, line);
-      return visualLine(line);
-    },
-
-    lineCount: function() {return this.size;},
-    firstLine: function() {return this.first;},
-    lastLine: function() {return this.first + this.size - 1;},
-
-    clipPos: function(pos) {return clipPos(this, pos);},
-
-    getCursor: function(start) {
-      var range = this.sel.primary(), pos;
-      if (start == null || start == "head") pos = range.head;
-      else if (start == "anchor") pos = range.anchor;
-      else if (start == "end" || start == "to" || start === false) pos = range.to();
-      else pos = range.from();
-      return pos;
-    },
-    listSelections: function() { return this.sel.ranges; },
-    somethingSelected: function() {return this.sel.somethingSelected();},
-
-    setCursor: docMethodOp(function(line, ch, options) {
-      setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options);
-    }),
-    setSelection: docMethodOp(function(anchor, head, options) {
-      setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);
-    }),
-    extendSelection: docMethodOp(function(head, other, options) {
-      extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);
-    }),
-    extendSelections: docMethodOp(function(heads, options) {
-      extendSelections(this, clipPosArray(this, heads), options);
-    }),
-    extendSelectionsBy: docMethodOp(function(f, options) {
-      var heads = map(this.sel.ranges, f);
-      extendSelections(this, clipPosArray(this, heads), options);
-    }),
-    setSelections: docMethodOp(function(ranges, primary, options) {
-      if (!ranges.length) return;
-      for (var i = 0, out = []; i < ranges.length; i++)
-        out[i] = new Range(clipPos(this, ranges[i].anchor),
-                           clipPos(this, ranges[i].head));
-      if (primary == null) primary = Math.min(ranges.length - 1, this.sel.primIndex);
-      setSelection(this, normalizeSelection(out, primary), options);
-    }),
-    addSelection: docMethodOp(function(anchor, head, options) {
-      var ranges = this.sel.ranges.slice(0);
-      ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));
-      setSelection(this, normalizeSelection(ranges, ranges.length - 1), options);
-    }),
-
-    getSelection: function(lineSep) {
-      var ranges = this.sel.ranges, lines;
-      for (var i = 0; i < ranges.length; i++) {
-        var sel = getBetween(this, ranges[i].from(), ranges[i].to());
-        lines = lines ? lines.concat(sel) : sel;
-      }
-      if (lineSep === false) return lines;
-      else return lines.join(lineSep || this.lineSeparator());
-    },
-    getSelections: function(lineSep) {
-      var parts = [], ranges = this.sel.ranges;
-      for (var i = 0; i < ranges.length; i++) {
-        var sel = getBetween(this, ranges[i].from(), ranges[i].to());
-        if (lineSep !== false) sel = sel.join(lineSep || this.lineSeparator());
-        parts[i] = sel;
-      }
-      return parts;
-    },
-    replaceSelection: function(code, collapse, origin) {
-      var dup = [];
-      for (var i = 0; i < this.sel.ranges.length; i++)
-        dup[i] = code;
-      this.replaceSelections(dup, collapse, origin || "+input");
-    },
-    replaceSelections: docMethodOp(function(code, collapse, origin) {
-      var changes = [], sel = this.sel;
-      for (var i = 0; i < sel.ranges.length; i++) {
-        var range = sel.ranges[i];
-        changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin};
-      }
-      var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse);
-      for (var i = changes.length - 1; i >= 0; i--)
-        makeChange(this, changes[i]);
-      if (newSel) setSelectionReplaceHistory(this, newSel);
-      else if (this.cm) ensureCursorVisible(this.cm);
-    }),
-    undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}),
-    redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}),
-    undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}),
-    redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}),
-
-    setExtending: function(val) {this.extend = val;},
-    getExtending: function() {return this.extend;},
-
-    historySize: function() {
-      var hist = this.history, done = 0, undone = 0;
-      for (var i = 0; i < hist.done.length; i++) if (!hist.done[i].ranges) ++done;
-      for (var i = 0; i < hist.undone.length; i++) if (!hist.undone[i].ranges) ++undone;
-      return {undo: done, redo: undone};
-    },
-    clearHistory: function() {this.history = new History(this.history.maxGeneration);},
-
-    markClean: function() {
-      this.cleanGeneration = this.changeGeneration(true);
-    },
-    changeGeneration: function(forceSplit) {
-      if (forceSplit)
-        this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null;
-      return this.history.generation;
-    },
-    isClean: function (gen) {
-      return this.history.generation == (gen || this.cleanGeneration);
-    },
-
-    getHistory: function() {
-      return {done: copyHistoryArray(this.history.done),
-              undone: copyHistoryArray(this.history.undone)};
-    },
-    setHistory: function(histData) {
-      var hist = this.history = new History(this.history.maxGeneration);
-      hist.done = copyHistoryArray(histData.done.slice(0), null, true);
-      hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);
-    },
-
-    addLineClass: docMethodOp(function(handle, where, cls) {
-      return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) {
-        var prop = where == "text" ? "textClass"
-                 : where == "background" ? "bgClass"
-                 : where == "gutter" ? "gutterClass" : "wrapClass";
-        if (!line[prop]) line[prop] = cls;
-        else if (classTest(cls).test(line[prop])) return false;
-        else line[prop] += " " + cls;
-        return true;
-      });
-    }),
-    removeLineClass: docMethodOp(function(handle, where, cls) {
-      return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) {
-        var prop = where == "text" ? "textClass"
-                 : where == "background" ? "bgClass"
-                 : where == "gutter" ? "gutterClass" : "wrapClass";
-        var cur = line[prop];
-        if (!cur) return false;
-        else if (cls == null) line[prop] = null;
-        else {
-          var found = cur.match(classTest(cls));
-          if (!found) return false;
-          var end = found.index + found[0].length;
-          line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null;
-        }
-        return true;
-      });
-    }),
-
-    addLineWidget: docMethodOp(function(handle, node, options) {
-      return addLineWidget(this, handle, node, options);
-    }),
-    removeLineWidget: function(widget) { widget.clear(); },
-
-    markText: function(from, to, options) {
-      return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range");
-    },
-    setBookmark: function(pos, options) {
-      var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
-                      insertLeft: options && options.insertLeft,
-                      clearWhenEmpty: false, shared: options && options.shared,
-                      handleMouseEvents: options && options.handleMouseEvents};
-      pos = clipPos(this, pos);
-      return markText(this, pos, pos, realOpts, "bookmark");
-    },
-    findMarksAt: function(pos) {
-      pos = clipPos(this, pos);
-      var markers = [], spans = getLine(this, pos.line).markedSpans;
-      if (spans) for (var i = 0; i < spans.length; ++i) {
-        var span = spans[i];
-        if ((span.from == null || span.from <= pos.ch) &&
-            (span.to == null || span.to >= pos.ch))
-          markers.push(span.marker.parent || span.marker);
-      }
-      return markers;
-    },
-    findMarks: function(from, to, filter) {
-      from = clipPos(this, from); to = clipPos(this, to);
-      var found = [], lineNo = from.line;
-      this.iter(from.line, to.line + 1, function(line) {
-        var spans = line.markedSpans;
-        if (spans) for (var i = 0; i < spans.length; i++) {
-          var span = spans[i];
-          if (!(lineNo == from.line && from.ch > span.to ||
-                span.from == null && lineNo != from.line||
-                lineNo == to.line && span.from > to.ch) &&
-              (!filter || filter(span.marker)))
-            found.push(span.marker.parent || span.marker);
-        }
-        ++lineNo;
-      });
-      return found;
-    },
-    getAllMarks: function() {
-      var markers = [];
-      this.iter(function(line) {
-        var sps = line.markedSpans;
-        if (sps) for (var i = 0; i < sps.length; ++i)
-          if (sps[i].from != null) markers.push(sps[i].marker);
-      });
-      return markers;
-    },
-
-    posFromIndex: function(off) {
-      var ch, lineNo = this.first;
-      this.iter(function(line) {
-        var sz = line.text.length + 1;
-        if (sz > off) { ch = off; return true; }
-        off -= sz;
-        ++lineNo;
-      });
-      return clipPos(this, Pos(lineNo, ch));
-    },
-    indexFromPos: function (coords) {
-      coords = clipPos(this, coords);
-      var index = coords.ch;
-      if (coords.line < this.first || coords.ch < 0) return 0;
-      this.iter(this.first, coords.line, function (line) {
-        index += line.text.length + 1;
-      });
-      return index;
-    },
-
-    copy: function(copyHistory) {
-      var doc = new Doc(getLines(this, this.first, this.first + this.size),
-                        this.modeOption, this.first, this.lineSep);
-      doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;
-      doc.sel = this.sel;
-      doc.extend = false;
-      if (copyHistory) {
-        doc.history.undoDepth = this.history.undoDepth;
-        doc.setHistory(this.getHistory());
-      }
-      return doc;
-    },
-
-    linkedDoc: function(options) {
-      if (!options) options = {};
-      var from = this.first, to = this.first + this.size;
-      if (options.from != null && options.from > from) from = options.from;
-      if (options.to != null && options.to < to) to = options.to;
-      var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep);
-      if (options.sharedHist) copy.history = this.history;
-      (this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});
-      copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];
-      copySharedMarkers(copy, findSharedMarkers(this));
-      return copy;
-    },
-    unlinkDoc: function(other) {
-      if (other instanceof CodeMirror) other = other.doc;
-      if (this.linked) for (var i = 0; i < this.linked.length; ++i) {
-        var link = this.linked[i];
-        if (link.doc != other) continue;
-        this.linked.splice(i, 1);
-        other.unlinkDoc(this);
-        detachSharedMarkers(findSharedMarkers(this));
-        break;
-      }
-      // If the histories were shared, split them again
-      if (other.history == this.history) {
-        var splitIds = [other.id];
-        linkedDocs(other, function(doc) {splitIds.push(doc.id);}, true);
-        other.history = new History(null);
-        other.history.done = copyHistoryArray(this.history.done, splitIds);
-        other.history.undone = copyHistoryArray(this.history.undone, splitIds);
-      }
-    },
-    iterLinkedDocs: function(f) {linkedDocs(this, f);},
-
-    getMode: function() {return this.mode;},
-    getEditor: function() {return this.cm;},
-
-    splitLines: function(str) {
-      if (this.lineSep) return str.split(this.lineSep);
-      return splitLinesAuto(str);
-    },
-    lineSeparator: function() { return this.lineSep || "\n"; }
-  });
-
-  // Public alias.
-  Doc.prototype.eachLine = Doc.prototype.iter;
-
-  // Set up methods on CodeMirror's prototype to redirect to the editor's document.
-  var dontDelegate = "iter insert remove copy getEditor constructor".split(" ");
-  for (var prop in Doc.prototype) if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)
-    CodeMirror.prototype[prop] = (function(method) {
-      return function() {return method.apply(this.doc, arguments);};
-    })(Doc.prototype[prop]);
-
-  eventMixin(Doc);
-
   // Call f for all linked documents.
   function linkedDocs(doc, f, sharedHistOnly) {
     function propagate(doc, skip, sharedHist) {
-      if (doc.linked) for (var i = 0; i < doc.linked.length; ++i) {
+      if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) {
         var rel = doc.linked[i];
-        if (rel.doc == skip) continue;
+        if (rel.doc == skip) { continue }
         var shared = sharedHist && rel.sharedHist;
-        if (sharedHistOnly && !shared) continue;
+        if (sharedHistOnly && !shared) { continue }
         f(rel.doc, shared);
         propagate(rel.doc, doc, shared);
-      }
+      } }
     }
     propagate(doc, null, true);
   }
 
   // Attach a document to an editor.
   function attachDoc(cm, doc) {
-    if (doc.cm) throw new Error("This document is already in use.");
+    if (doc.cm) { throw new Error("This document is already in use.") }
     cm.doc = doc;
     doc.cm = cm;
     estimateLineHeights(cm);
     loadMode(cm);
-    if (!cm.options.lineWrapping) findMaxLine(cm);
+    setDirectionClass(cm);
+    if (!cm.options.lineWrapping) { findMaxLine(cm); }
     cm.options.mode = doc.modeOption;
     regChange(cm);
   }
 
-  // LINE UTILITIES
-
-  // Find the line object corresponding to the given line number.
-  function getLine(doc, n) {
-    n -= doc.first;
-    if (n < 0 || n >= doc.size) throw new Error("There is no line " + (n + doc.first) + " in the document.");
-    for (var chunk = doc; !chunk.lines;) {
-      for (var i = 0;; ++i) {
-        var child = chunk.children[i], sz = child.chunkSize();
-        if (n < sz) { chunk = child; break; }
-        n -= sz;
-      }
-    }
-    return chunk.lines[n];
-  }
-
-  // Get the part of a document between two positions, as an array of
-  // strings.
-  function getBetween(doc, start, end) {
-    var out = [], n = start.line;
-    doc.iter(start.line, end.line + 1, function(line) {
-      var text = line.text;
-      if (n == end.line) text = text.slice(0, end.ch);
-      if (n == start.line) text = text.slice(start.ch);
-      out.push(text);
-      ++n;
+  function setDirectionClass(cm) {
+  (cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl");
+  }
+
+  function directionChanged(cm) {
+    runInOp(cm, function () {
+      setDirectionClass(cm);
+      regChange(cm);
     });
-    return out;
-  }
-  // Get the lines between from and to, as array of strings.
-  function getLines(doc, from, to) {
-    var out = [];
-    doc.iter(from, to, function(line) { out.push(line.text); });
-    return out;
-  }
-
-  // Update the height of a line, propagating the height change
-  // upwards to parent nodes.
-  function updateLineHeight(line, height) {
-    var diff = height - line.height;
-    if (diff) for (var n = line; n; n = n.parent) n.height += diff;
-  }
-
-  // Given a line object, find its line number by walking up through
-  // its parent links.
-  function lineNo(line) {
-    if (line.parent == null) return null;
-    var cur = line.parent, no = indexOf(cur.lines, line);
-    for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
-      for (var i = 0;; ++i) {
-        if (chunk.children[i] == cur) break;
-        no += chunk.children[i].chunkSize();
-      }
-    }
-    return no + cur.first;
-  }
-
-  // Find the line at the given vertical position, using the height
-  // information in the document tree.
-  function lineAtHeight(chunk, h) {
-    var n = chunk.first;
-    outer: do {
-      for (var i = 0; i < chunk.children.length; ++i) {
-        var child = chunk.children[i], ch = child.height;
-        if (h < ch) { chunk = child; continue outer; }
-        h -= ch;
-        n += child.chunkSize();
-      }
-      return n;
-    } while (!chunk.lines);
-    for (var i = 0; i < chunk.lines.length; ++i) {
-      var line = chunk.lines[i], lh = line.height;
-      if (h < lh) break;
-      h -= lh;
-    }
-    return n + i;
-  }
-
-
-  // Find the height above the given line.
-  function heightAtLine(lineObj) {
-    lineObj = visualLine(lineObj);
-
-    var h = 0, chunk = lineObj.parent;
-    for (var i = 0; i < chunk.lines.length; ++i) {
-      var line = chunk.lines[i];
-      if (line == lineObj) break;
-      else h += line.height;
-    }
-    for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
-      for (var i = 0; i < p.children.length; ++i) {
-        var cur = p.children[i];
-        if (cur == chunk) break;
-        else h += cur.height;
-      }
-    }
-    return h;
-  }
-
-  // Get the bidi ordering for the given line (and cache it). Returns
-  // false for lines that are fully left-to-right, and an array of
-  // BidiSpan objects otherwise.
-  function getOrder(line) {
-    var order = line.order;
-    if (order == null) order = line.order = bidiOrdering(line.text);
-    return order;
-  }
-
-  // HISTORY
+  }
 
   function History(startGen) {
     // Arrays of change events and selections. Doing something adds an
@@ -7885,8 +4822,8 b''
   function historyChangeFromChange(doc, change) {
     var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};
     attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);
-    linkedDocs(doc, function(doc) {attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);}, true);
-    return histChange;
+    linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true);
+    return histChange
   }
 
   // Pop all selection events off the end of a history array. Stop at
@@ -7894,8 +4831,8 b''
   function clearSelectionEvents(array) {
     while (array.length) {
       var last = lst(array);
-      if (last.ranges) array.pop();
-      else break;
+      if (last.ranges) { array.pop(); }
+      else { break }
     }
   }
 
@@ -7904,30 +4841,31 b''
   function lastChangeEvent(hist, force) {
     if (force) {
       clearSelectionEvents(hist.done);
-      return lst(hist.done);
+      return lst(hist.done)
     } else if (hist.done.length && !lst(hist.done).ranges) {
-      return lst(hist.done);
+      return lst(hist.done)
     } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {
       hist.done.pop();
-      return lst(hist.done);
+      return lst(hist.done)
     }
   }
 
   // Register a change in the history. Merges changes that are within
-  // a single operation, ore are close together with an origin that
+  // a single operation, or are close together with an origin that
   // allows merging (starting with "+") into a single event.
   function addChangeToHistory(doc, change, selAfter, opId) {
     var hist = doc.history;
     hist.undone.length = 0;
     var time = +new Date, cur;
+    var last;
 
     if ((hist.lastOp == opId ||
          hist.lastOrigin == change.origin && change.origin &&
-         ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) ||
+         ((change.origin.charAt(0) == "+" && hist.lastModTime > time - (doc.cm ? doc.cm.options.historyEventDelay : 500)) ||
           change.origin.charAt(0) == "*")) &&
         (cur = lastChangeEvent(hist, hist.lastOp == opId))) {
       // Merge this change into the last event
-      var last = lst(cur.changes);
+      last = lst(cur.changes);
       if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {
         // Optimized case for simple insertion -- don't want to add
         // new changesets for every character typed
@@ -7940,13 +4878,13 b''
       // Can not be merged, start a new event.
       var before = lst(hist.done);
       if (!before || !before.ranges)
-        pushSelectionToHistory(doc.sel, hist.done);
+        { pushSelectionToHistory(doc.sel, hist.done); }
       cur = {changes: [historyChangeFromChange(doc, change)],
              generation: hist.generation};
       hist.done.push(cur);
       while (hist.done.length > hist.undoDepth) {
         hist.done.shift();
-        if (!hist.done[0].ranges) hist.done.shift();
+        if (!hist.done[0].ranges) { hist.done.shift(); }
       }
     }
     hist.done.push(selAfter);
@@ -7955,7 +4893,7 b''
     hist.lastOp = hist.lastSelOp = opId;
     hist.lastOrigin = hist.lastSelOrigin = change.origin;
 
-    if (!last) signal(doc, "historyAdded");
+    if (!last) { signal(doc, "historyAdded"); }
   }
 
   function selectionEventCanBeMerged(doc, origin, prev, sel) {
@@ -7964,7 +4902,7 b''
       ch == "+" &&
       prev.ranges.length == sel.ranges.length &&
       prev.somethingSelected() == sel.somethingSelected() &&
-      new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500);
+      new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500)
   }
 
   // Called whenever the selection changes, sets the new selection as
@@ -7982,29 +4920,29 b''
         (origin && hist.lastSelOrigin == origin &&
          (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||
           selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))
-      hist.done[hist.done.length - 1] = sel;
+      { hist.done[hist.done.length - 1] = sel; }
     else
-      pushSelectionToHistory(sel, hist.done);
+      { pushSelectionToHistory(sel, hist.done); }
 
     hist.lastSelTime = +new Date;
     hist.lastSelOrigin = origin;
     hist.lastSelOp = opId;
     if (options && options.clearRedo !== false)
-      clearSelectionEvents(hist.undone);
+      { clearSelectionEvents(hist.undone); }
   }
 
   function pushSelectionToHistory(sel, dest) {
     var top = lst(dest);
     if (!(top && top.ranges && top.equals(sel)))
-      dest.push(sel);
+      { dest.push(sel); }
   }
 
   // Used to store marked span information in the history.
   function attachLocalSpans(doc, change, from, to) {
     var existing = change["spans_" + doc.id], n = 0;
-    doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function(line) {
+    doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) {
       if (line.markedSpans)
-        (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans;
+        { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; }
       ++n;
     });
   }
@@ -8012,46 +4950,549 b''
   // When un/re-doing restores text containing marked spans, those
   // that have been explicitly cleared should not be restored.
   function removeClearedSpans(spans) {
-    if (!spans) return null;
-    for (var i = 0, out; i < spans.length; ++i) {
-      if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); }
-      else if (out) out.push(spans[i]);
-    }
-    return !out ? spans : out.length ? out : null;
+    if (!spans) { return null }
+    var out;
+    for (var i = 0; i < spans.length; ++i) {
+      if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } }
+      else if (out) { out.push(spans[i]); }
+    }
+    return !out ? spans : out.length ? out : null
   }
 
   // Retrieve and filter the old marked spans stored in a change event.
   function getOldSpans(doc, change) {
     var found = change["spans_" + doc.id];
-    if (!found) return null;
-    for (var i = 0, nw = []; i < change.text.length; ++i)
-      nw.push(removeClearedSpans(found[i]));
-    return nw;
+    if (!found) { return null }
+    var nw = [];
+    for (var i = 0; i < change.text.length; ++i)
+      { nw.push(removeClearedSpans(found[i])); }
+    return nw
+  }
+
+  // Used for un/re-doing changes from the history. Combines the
+  // result of computing the existing spans with the set of spans that
+  // existed in the history (so that deleting around a span and then
+  // undoing brings back the span).
+  function mergeOldSpans(doc, change) {
+    var old = getOldSpans(doc, change);
+    var stretched = stretchSpansOverChange(doc, change);
+    if (!old) { return stretched }
+    if (!stretched) { return old }
+
+    for (var i = 0; i < old.length; ++i) {
+      var oldCur = old[i], stretchCur = stretched[i];
+      if (oldCur && stretchCur) {
+        spans: for (var j = 0; j < stretchCur.length; ++j) {
+          var span = stretchCur[j];
+          for (var k = 0; k < oldCur.length; ++k)
+            { if (oldCur[k].marker == span.marker) { continue spans } }
+          oldCur.push(span);
+        }
+      } else if (stretchCur) {
+        old[i] = stretchCur;
+      }
+    }
+    return old
   }
 
   // Used both to provide a JSON-safe object in .getHistory, and, when
   // detaching a document, to split the history in two
   function copyHistoryArray(events, newGroup, instantiateSel) {
-    for (var i = 0, copy = []; i < events.length; ++i) {
+    var copy = [];
+    for (var i = 0; i < events.length; ++i) {
       var event = events[i];
       if (event.ranges) {
         copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);
-        continue;
+        continue
       }
       var changes = event.changes, newChanges = [];
       copy.push({changes: newChanges});
       for (var j = 0; j < changes.length; ++j) {
-        var change = changes[j], m;
+        var change = changes[j], m = (void 0);
         newChanges.push({from: change.from, to: change.to, text: change.text});
-        if (newGroup) for (var prop in change) if (m = prop.match(/^spans_(\d+)$/)) {
+        if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) {
           if (indexOf(newGroup, Number(m[1])) > -1) {
             lst(newChanges)[prop] = change[prop];
             delete change[prop];
           }
+        } } }
+      }
+    }
+    return copy
+  }
+
+  // The 'scroll' parameter given to many of these indicated whether
+  // the new cursor position should be scrolled into view after
+  // modifying the selection.
+
+  // If shift is held or the extend flag is set, extends a range to
+  // include a given position (and optionally a second position).
+  // Otherwise, simply returns the range between the given positions.
+  // Used for cursor motion and such.
+  function extendRange(range, head, other, extend) {
+    if (extend) {
+      var anchor = range.anchor;
+      if (other) {
+        var posBefore = cmp(head, anchor) < 0;
+        if (posBefore != (cmp(other, anchor) < 0)) {
+          anchor = head;
+          head = other;
+        } else if (posBefore != (cmp(head, other) < 0)) {
+          head = other;
         }
       }
-    }
-    return copy;
+      return new Range(anchor, head)
+    } else {
+      return new Range(other || head, head)
+    }
+  }
+
+  // Extend the primary selection range, discard the rest.
+  function extendSelection(doc, head, other, options, extend) {
+    if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); }
+    setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options);
+  }
+
+  // Extend all selections (pos is an array of selections with length
+  // equal the number of selections)
+  function extendSelections(doc, heads, options) {
+    var out = [];
+    var extend = doc.cm && (doc.cm.display.shift || doc.extend);
+    for (var i = 0; i < doc.sel.ranges.length; i++)
+      { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); }
+    var newSel = normalizeSelection(doc.cm, out, doc.sel.primIndex);
+    setSelection(doc, newSel, options);
+  }
+
+  // Updates a single range in the selection.
+  function replaceOneSelection(doc, i, range, options) {
+    var ranges = doc.sel.ranges.slice(0);
+    ranges[i] = range;
+    setSelection(doc, normalizeSelection(doc.cm, ranges, doc.sel.primIndex), options);
+  }
+
+  // Reset the selection to a single range.
+  function setSimpleSelection(doc, anchor, head, options) {
+    setSelection(doc, simpleSelection(anchor, head), options);
+  }
+
+  // Give beforeSelectionChange handlers a change to influence a
+  // selection update.
+  function filterSelectionChange(doc, sel, options) {
+    var obj = {
+      ranges: sel.ranges,
+      update: function(ranges) {
+        var this$1 = this;
+
+        this.ranges = [];
+        for (var i = 0; i < ranges.length; i++)
+          { this$1.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),
+                                     clipPos(doc, ranges[i].head)); }
+      },
+      origin: options && options.origin
+    };
+    signal(doc, "beforeSelectionChange", doc, obj);
+    if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj); }
+    if (obj.ranges != sel.ranges) { return normalizeSelection(doc.cm, obj.ranges, obj.ranges.length - 1) }
+    else { return sel }
+  }
+
+  function setSelectionReplaceHistory(doc, sel, options) {
+    var done = doc.history.done, last = lst(done);
+    if (last && last.ranges) {
+      done[done.length - 1] = sel;
+      setSelectionNoUndo(doc, sel, options);
+    } else {
+      setSelection(doc, sel, options);
+    }
+  }
+
+  // Set a new selection.
+  function setSelection(doc, sel, options) {
+    setSelectionNoUndo(doc, sel, options);
+    addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);
+  }
+
+  function setSelectionNoUndo(doc, sel, options) {
+    if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))
+      { sel = filterSelectionChange(doc, sel, options); }
+
+    var bias = options && options.bias ||
+      (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);
+    setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));
+
+    if (!(options && options.scroll === false) && doc.cm)
+      { ensureCursorVisible(doc.cm); }
+  }
+
+  function setSelectionInner(doc, sel) {
+    if (sel.equals(doc.sel)) { return }
+
+    doc.sel = sel;
+
+    if (doc.cm) {
+      doc.cm.curOp.updateInput = 1;
+      doc.cm.curOp.selectionChanged = true;
+      signalCursorActivity(doc.cm);
+    }
+    signalLater(doc, "cursorActivity", doc);
+  }
+
+  // Verify that the selection does not partially select any atomic
+  // marked ranges.
+  function reCheckSelection(doc) {
+    setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false));
+  }
+
+  // Return a selection that does not partially select any atomic
+  // ranges.
+  function skipAtomicInSelection(doc, sel, bias, mayClear) {
+    var out;
+    for (var i = 0; i < sel.ranges.length; i++) {
+      var range = sel.ranges[i];
+      var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i];
+      var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear);
+      var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear);
+      if (out || newAnchor != range.anchor || newHead != range.head) {
+        if (!out) { out = sel.ranges.slice(0, i); }
+        out[i] = new Range(newAnchor, newHead);
+      }
+    }
+    return out ? normalizeSelection(doc.cm, out, sel.primIndex) : sel
+  }
+
+  function skipAtomicInner(doc, pos, oldPos, dir, mayClear) {
+    var line = getLine(doc, pos.line);
+    if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
+      var sp = line.markedSpans[i], m = sp.marker;
+
+      // Determine if we should prevent the cursor being placed to the left/right of an atomic marker
+      // Historically this was determined using the inclusiveLeft/Right option, but the new way to control it
+      // is with selectLeft/Right
+      var preventCursorLeft = ("selectLeft" in m) ? !m.selectLeft : m.inclusiveLeft;
+      var preventCursorRight = ("selectRight" in m) ? !m.selectRight : m.inclusiveRight;
+
+      if ((sp.from == null || (preventCursorLeft ? sp.from <= pos.ch : sp.from < pos.ch)) &&
+          (sp.to == null || (preventCursorRight ? sp.to >= pos.ch : sp.to > pos.ch))) {
+        if (mayClear) {
+          signal(m, "beforeCursorEnter");
+          if (m.explicitlyCleared) {
+            if (!line.markedSpans) { break }
+            else {--i; continue}
+          }
+        }
+        if (!m.atomic) { continue }
+
+        if (oldPos) {
+          var near = m.find(dir < 0 ? 1 : -1), diff = (void 0);
+          if (dir < 0 ? preventCursorRight : preventCursorLeft)
+            { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); }
+          if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))
+            { return skipAtomicInner(doc, near, pos, dir, mayClear) }
+        }
+
+        var far = m.find(dir < 0 ? -1 : 1);
+        if (dir < 0 ? preventCursorLeft : preventCursorRight)
+          { far = movePos(doc, far, dir, far.line == pos.line ? line : null); }
+        return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null
+      }
+    } }
+    return pos
+  }
+
+  // Ensure a given position is not inside an atomic range.
+  function skipAtomic(doc, pos, oldPos, bias, mayClear) {
+    var dir = bias || 1;
+    var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) ||
+        (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) ||
+        skipAtomicInner(doc, pos, oldPos, -dir, mayClear) ||
+        (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true));
+    if (!found) {
+      doc.cantEdit = true;
+      return Pos(doc.first, 0)
+    }
+    return found
+  }
+
+  function movePos(doc, pos, dir, line) {
+    if (dir < 0 && pos.ch == 0) {
+      if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) }
+      else { return null }
+    } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) {
+      if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) }
+      else { return null }
+    } else {
+      return new Pos(pos.line, pos.ch + dir)
+    }
+  }
+
+  function selectAll(cm) {
+    cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);
+  }
+
+  // UPDATING
+
+  // Allow "beforeChange" event handlers to influence a change
+  function filterChange(doc, change, update) {
+    var obj = {
+      canceled: false,
+      from: change.from,
+      to: change.to,
+      text: change.text,
+      origin: change.origin,
+      cancel: function () { return obj.canceled = true; }
+    };
+    if (update) { obj.update = function (from, to, text, origin) {
+      if (from) { obj.from = clipPos(doc, from); }
+      if (to) { obj.to = clipPos(doc, to); }
+      if (text) { obj.text = text; }
+      if (origin !== undefined) { obj.origin = origin; }
+    }; }
+    signal(doc, "beforeChange", doc, obj);
+    if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj); }
+
+    if (obj.canceled) {
+      if (doc.cm) { doc.cm.curOp.updateInput = 2; }
+      return null
+    }
+    return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}
+  }
+
+  // Apply a change to a document, and add it to the document's
+  // history, and propagating it to all linked documents.
+  function makeChange(doc, change, ignoreReadOnly) {
+    if (doc.cm) {
+      if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) }
+      if (doc.cm.state.suppressEdits) { return }
+    }
+
+    if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {
+      change = filterChange(doc, change, true);
+      if (!change) { return }
+    }
+
+    // Possibly split or suppress the update based on the presence
+    // of read-only spans in its range.
+    var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);
+    if (split) {
+      for (var i = split.length - 1; i >= 0; --i)
+        { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin}); }
+    } else {
+      makeChangeInner(doc, change);
+    }
+  }
+
+  function makeChangeInner(doc, change) {
+    if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return }
+    var selAfter = computeSelAfterChange(doc, change);
+    addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);
+
+    makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));
+    var rebased = [];
+
+    linkedDocs(doc, function (doc, sharedHist) {
+      if (!sharedHist && indexOf(rebased, doc.history) == -1) {
+        rebaseHist(doc.history, change);
+        rebased.push(doc.history);
+      }
+      makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));
+    });
+  }
+
+  // Revert a change stored in a document's history.
+  function makeChangeFromHistory(doc, type, allowSelectionOnly) {
+    var suppress = doc.cm && doc.cm.state.suppressEdits;
+    if (suppress && !allowSelectionOnly) { return }
+
+    var hist = doc.history, event, selAfter = doc.sel;
+    var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done;
+
+    // Verify that there is a useable event (so that ctrl-z won't
+    // needlessly clear selection events)
+    var i = 0;
+    for (; i < source.length; i++) {
+      event = source[i];
+      if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)
+        { break }
+    }
+    if (i == source.length) { return }
+    hist.lastOrigin = hist.lastSelOrigin = null;
+
+    for (;;) {
+      event = source.pop();
+      if (event.ranges) {
+        pushSelectionToHistory(event, dest);
+        if (allowSelectionOnly && !event.equals(doc.sel)) {
+          setSelection(doc, event, {clearRedo: false});
+          return
+        }
+        selAfter = event;
+      } else if (suppress) {
+        source.push(event);
+        return
+      } else { break }
+    }
+
+    // Build up a reverse change object to add to the opposite history
+    // stack (redo when undoing, and vice versa).
+    var antiChanges = [];
+    pushSelectionToHistory(selAfter, dest);
+    dest.push({changes: antiChanges, generation: hist.generation});
+    hist.generation = event.generation || ++hist.maxGeneration;
+
+    var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange");
+
+    var loop = function ( i ) {
+      var change = event.changes[i];
+      change.origin = type;
+      if (filter && !filterChange(doc, change, false)) {
+        source.length = 0;
+        return {}
+      }
+
+      antiChanges.push(historyChangeFromChange(doc, change));
+
+      var after = i ? computeSelAfterChange(doc, change) : lst(source);
+      makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));
+      if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); }
+      var rebased = [];
+
+      // Propagate to the linked documents
+      linkedDocs(doc, function (doc, sharedHist) {
+        if (!sharedHist && indexOf(rebased, doc.history) == -1) {
+          rebaseHist(doc.history, change);
+          rebased.push(doc.history);
+        }
+        makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));
+      });
+    };
+
+    for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) {
+      var returned = loop( i$1 );
+
+      if ( returned ) return returned.v;
+    }
+  }
+
+  // Sub-views need their line numbers shifted when text is added
+  // above or below them in the parent document.
+  function shiftDoc(doc, distance) {
+    if (distance == 0) { return }
+    doc.first += distance;
+    doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range(
+      Pos(range.anchor.line + distance, range.anchor.ch),
+      Pos(range.head.line + distance, range.head.ch)
+    ); }), doc.sel.primIndex);
+    if (doc.cm) {
+      regChange(doc.cm, doc.first, doc.first - distance, distance);
+      for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)
+        { regLineChange(doc.cm, l, "gutter"); }
+    }
+  }
+
+  // More lower-level change function, handling only a single document
+  // (not linked ones).
+  function makeChangeSingleDoc(doc, change, selAfter, spans) {
+    if (doc.cm && !doc.cm.curOp)
+      { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) }
+
+    if (change.to.line < doc.first) {
+      shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));
+      return
+    }
+    if (change.from.line > doc.lastLine()) { return }
+
+    // Clip the change to the size of this doc
+    if (change.from.line < doc.first) {
+      var shift = change.text.length - 1 - (doc.first - change.from.line);
+      shiftDoc(doc, shift);
+      change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),
+                text: [lst(change.text)], origin: change.origin};
+    }
+    var last = doc.lastLine();
+    if (change.to.line > last) {
+      change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),
+                text: [change.text[0]], origin: change.origin};
+    }
+
+    change.removed = getBetween(doc, change.from, change.to);
+
+    if (!selAfter) { selAfter = computeSelAfterChange(doc, change); }
+    if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); }
+    else { updateDoc(doc, change, spans); }
+    setSelectionNoUndo(doc, selAfter, sel_dontScroll);
+
+    if (doc.cantEdit && skipAtomic(doc, Pos(doc.firstLine(), 0)))
+      { doc.cantEdit = false; }
+  }
+
+  // Handle the interaction of a change to a document with the editor
+  // that this document is part of.
+  function makeChangeSingleDocInEditor(cm, change, spans) {
+    var doc = cm.doc, display = cm.display, from = change.from, to = change.to;
+
+    var recomputeMaxLength = false, checkWidthStart = from.line;
+    if (!cm.options.lineWrapping) {
+      checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));
+      doc.iter(checkWidthStart, to.line + 1, function (line) {
+        if (line == display.maxLine) {
+          recomputeMaxLength = true;
+          return true
+        }
+      });
+    }
+
+    if (doc.sel.contains(change.from, change.to) > -1)
+      { signalCursorActivity(cm); }
+
+    updateDoc(doc, change, spans, estimateHeight(cm));
+
+    if (!cm.options.lineWrapping) {
+      doc.iter(checkWidthStart, from.line + change.text.length, function (line) {
+        var len = lineLength(line);
+        if (len > display.maxLineLength) {
+          display.maxLine = line;
+          display.maxLineLength = len;
+          display.maxLineChanged = true;
+          recomputeMaxLength = false;
+        }
+      });
+      if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; }
+    }
+
+    retreatFrontier(doc, from.line);
+    startWorker(cm, 400);
+
+    var lendiff = change.text.length - (to.line - from.line) - 1;
+    // Remember that these lines changed, for updating the display
+    if (change.full)
+      { regChange(cm); }
+    else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
+      { regLineChange(cm, from.line, "text"); }
+    else
+      { regChange(cm, from.line, to.line + 1, lendiff); }
+
+    var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");
+    if (changeHandler || changesHandler) {
+      var obj = {
+        from: from, to: to,
+        text: change.text,
+        removed: change.removed,
+        origin: change.origin
+      };
+      if (changeHandler) { signalLater(cm, "change", cm, obj); }
+      if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); }
+    }
+    cm.display.selForContextMenu = null;
+  }
+
+  function replaceRange(doc, code, from, to, origin) {
+    var assign;
+
+    if (!to) { to = from; }
+    if (cmp(to, from) < 0) { (assign = [to, from], from = assign[0], to = assign[1]); }
+    if (typeof code == "string") { code = doc.splitLines(code); }
+    makeChange(doc, {from: from, to: to, text: code, origin: origin});
   }
 
   // Rebasing/resetting history to deal with externally-sourced changes
@@ -8081,16 +5522,16 b''
           rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);
           rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);
         }
-        continue;
-      }
-      for (var j = 0; j < sub.changes.length; ++j) {
-        var cur = sub.changes[j];
+        continue
+      }
+      for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) {
+        var cur = sub.changes[j$1];
         if (to < cur.from.line) {
           cur.from = Pos(cur.from.line + diff, cur.from.ch);
           cur.to = Pos(cur.to.line + diff, cur.to.ch);
         } else if (from <= cur.to.line) {
           ok = false;
-          break;
+          break
         }
       }
       if (!ok) {
@@ -8106,785 +5547,4237 b''
     rebaseHistArray(hist.undone, from, to, diff);
   }
 
-  // EVENT UTILITIES
-
-  // Due to the fact that we still support jurassic IE versions, some
-  // compatibility wrappers are needed.
-
-  var e_preventDefault = CodeMirror.e_preventDefault = function(e) {
-    if (e.preventDefault) e.preventDefault();
-    else e.returnValue = false;
-  };
-  var e_stopPropagation = CodeMirror.e_stopPropagation = function(e) {
-    if (e.stopPropagation) e.stopPropagation();
-    else e.cancelBubble = true;
-  };
-  function e_defaultPrevented(e) {
-    return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false;
-  }
-  var e_stop = CodeMirror.e_stop = function(e) {e_preventDefault(e); e_stopPropagation(e);};
-
-  function e_target(e) {return e.target || e.srcElement;}
-  function e_button(e) {
-    var b = e.which;
-    if (b == null) {
-      if (e.button & 1) b = 1;
-      else if (e.button & 2) b = 3;
-      else if (e.button & 4) b = 2;
-    }
-    if (mac && e.ctrlKey && b == 1) b = 3;
-    return b;
-  }
-
-  // EVENT HANDLING
-
-  // Lightweight event framework. on/off also work on DOM nodes,
-  // registering native DOM handlers.
-
-  var on = CodeMirror.on = function(emitter, type, f) {
-    if (emitter.addEventListener)
-      emitter.addEventListener(type, f, false);
-    else if (emitter.attachEvent)
-      emitter.attachEvent("on" + type, f);
-    else {
-      var map = emitter._handlers || (emitter._handlers = {});
-      var arr = map[type] || (map[type] = []);
-      arr.push(f);
-    }
-  };
-
-  var noHandlers = []
-  function getHandlers(emitter, type, copy) {
-    var arr = emitter._handlers && emitter._handlers[type]
-    if (copy) return arr && arr.length > 0 ? arr.slice() : noHandlers
-    else return arr || noHandlers
-  }
-
-  var off = CodeMirror.off = function(emitter, type, f) {
-    if (emitter.removeEventListener)
-      emitter.removeEventListener(type, f, false);
-    else if (emitter.detachEvent)
-      emitter.detachEvent("on" + type, f);
-    else {
-      var handlers = getHandlers(emitter, type, false)
-      for (var i = 0; i < handlers.length; ++i)
-        if (handlers[i] == f) { handlers.splice(i, 1); break; }
-    }
-  };
-
-  var signal = CodeMirror.signal = function(emitter, type /*, values...*/) {
-    var handlers = getHandlers(emitter, type, true)
-    if (!handlers.length) return;
-    var args = Array.prototype.slice.call(arguments, 2);
-    for (var i = 0; i < handlers.length; ++i) handlers[i].apply(null, args);
-  };
-
-  var orphanDelayedCallbacks = null;
-
-  // Often, we want to signal events at a point where we are in the
-  // middle of some work, but don't want the handler to start calling
-  // other methods on the editor, which might be in an inconsistent
-  // state or simply not expect any other events to happen.
-  // signalLater looks whether there are any handlers, and schedules
-  // them to be executed when the last operation ends, or, if no
-  // operation is active, when a timeout fires.
-  function signalLater(emitter, type /*, values...*/) {
-    var arr = getHandlers(emitter, type, false)
-    if (!arr.length) return;
-    var args = Array.prototype.slice.call(arguments, 2), list;
-    if (operationGroup) {
-      list = operationGroup.delayedCallbacks;
-    } else if (orphanDelayedCallbacks) {
-      list = orphanDelayedCallbacks;
-    } else {
-      list = orphanDelayedCallbacks = [];
-      setTimeout(fireOrphanDelayed, 0);
-    }
-    function bnd(f) {return function(){f.apply(null, args);};};
-    for (var i = 0; i < arr.length; ++i)
-      list.push(bnd(arr[i]));
-  }
-
-  function fireOrphanDelayed() {
-    var delayed = orphanDelayedCallbacks;
-    orphanDelayedCallbacks = null;
-    for (var i = 0; i < delayed.length; ++i) delayed[i]();
-  }
-
-  // The DOM events that CodeMirror handles can be overridden by
-  // registering a (non-DOM) handler on the editor for the event name,
-  // and preventDefault-ing the event in that handler.
-  function signalDOMEvent(cm, e, override) {
-    if (typeof e == "string")
-      e = {type: e, preventDefault: function() { this.defaultPrevented = true; }};
-    signal(cm, override || e.type, cm, e);
-    return e_defaultPrevented(e) || e.codemirrorIgnore;
-  }
-
-  function signalCursorActivity(cm) {
-    var arr = cm._handlers && cm._handlers.cursorActivity;
-    if (!arr) return;
-    var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);
-    for (var i = 0; i < arr.length; ++i) if (indexOf(set, arr[i]) == -1)
-      set.push(arr[i]);
-  }
-
-  function hasHandler(emitter, type) {
-    return getHandlers(emitter, type).length > 0
-  }
-
-  // Add on and off methods to a constructor's prototype, to make
-  // registering events on such objects more convenient.
-  function eventMixin(ctor) {
-    ctor.prototype.on = function(type, f) {on(this, type, f);};
-    ctor.prototype.off = function(type, f) {off(this, type, f);};
-  }
-
-  // MISC UTILITIES
-
-  // Number of pixels added to scroller and sizer to hide scrollbar
-  var scrollerGap = 30;
-
-  // Returned or thrown by various protocols to signal 'I'm not
-  // handling this'.
-  var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}};
-
-  // Reused option objects for setSelection & friends
-  var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"};
-
-  function Delayed() {this.id = null;}
-  Delayed.prototype.set = function(ms, f) {
-    clearTimeout(this.id);
-    this.id = setTimeout(f, ms);
-  };
-
-  // Counts the column offset in a string, taking tabs into account.
-  // Used mostly to find indentation.
-  var countColumn = CodeMirror.countColumn = function(string, end, tabSize, startIndex, startValue) {
-    if (end == null) {
-      end = string.search(/[^\s\u00a0]/);
-      if (end == -1) end = string.length;
-    }
-    for (var i = startIndex || 0, n = startValue || 0;;) {
-      var nextTab = string.indexOf("\t", i);
-      if (nextTab < 0 || nextTab >= end)
-        return n + (end - i);
-      n += nextTab - i;
-      n += tabSize - (n % tabSize);
-      i = nextTab + 1;
-    }
-  };
-
-  // The inverse of countColumn -- find the offset that corresponds to
-  // a particular column.
-  var findColumn = CodeMirror.findColumn = function(string, goal, tabSize) {
-    for (var pos = 0, col = 0;;) {
-      var nextTab = string.indexOf("\t", pos);
-      if (nextTab == -1) nextTab = string.length;
-      var skipped = nextTab - pos;
-      if (nextTab == string.length || col + skipped >= goal)
-        return pos + Math.min(skipped, goal - col);
-      col += nextTab - pos;
-      col += tabSize - (col % tabSize);
-      pos = nextTab + 1;
-      if (col >= goal) return pos;
-    }
-  }
-
-  var spaceStrs = [""];
-  function spaceStr(n) {
-    while (spaceStrs.length <= n)
-      spaceStrs.push(lst(spaceStrs) + " ");
-    return spaceStrs[n];
-  }
-
-  function lst(arr) { return arr[arr.length-1]; }
-
-  var selectInput = function(node) { node.select(); };
-  if (ios) // Mobile Safari apparently has a bug where select() is broken.
-    selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; };
-  else if (ie) // Suppress mysterious IE10 errors
-    selectInput = function(node) { try { node.select(); } catch(_e) {} };
-
-  function indexOf(array, elt) {
-    for (var i = 0; i < array.length; ++i)
-      if (array[i] == elt) return i;
-    return -1;
-  }
-  function map(array, f) {
-    var out = [];
-    for (var i = 0; i < array.length; i++) out[i] = f(array[i], i);
-    return out;
-  }
-
-  function nothing() {}
-
-  function createObj(base, props) {
-    var inst;
-    if (Object.create) {
-      inst = Object.create(base);
-    } else {
-      nothing.prototype = base;
-      inst = new nothing();
-    }
-    if (props) copyObj(props, inst);
-    return inst;
-  };
-
-  function copyObj(obj, target, overwrite) {
-    if (!target) target = {};
-    for (var prop in obj)
-      if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
-        target[prop] = obj[prop];
-    return target;
-  }
-
-  function bind(f) {
-    var args = Array.prototype.slice.call(arguments, 1);
-    return function(){return f.apply(null, args);};
-  }
-
-  var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
-  var isWordCharBasic = CodeMirror.isWordChar = function(ch) {
-    return /\w/.test(ch) || ch > "\x80" &&
-      (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch));
-  };
-  function isWordChar(ch, helper) {
-    if (!helper) return isWordCharBasic(ch);
-    if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) return true;
-    return helper.test(ch);
-  }
-
-  function isEmpty(obj) {
-    for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) return false;
-    return true;
-  }
-
-  // Extending unicode characters. A series of a non-extending char +
-  // any number of extending chars is treated as a single unit as far
-  // as editing and measuring is concerned. This is not fully correct,
-  // since some scripts/fonts/browsers also treat other configurations
-  // of code points as a group.
-  var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;
-  function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch); }
-
-  // DOM UTILITIES
-
-  function elt(tag, content, className, style) {
-    var e = document.createElement(tag);
-    if (className) e.className = className;
-    if (style) e.style.cssText = style;
-    if (typeof content == "string") e.appendChild(document.createTextNode(content));
-    else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]);
-    return e;
-  }
-
-  var range;
-  if (document.createRange) range = function(node, start, end, endNode) {
-    var r = document.createRange();
-    r.setEnd(endNode || node, end);
-    r.setStart(node, start);
-    return r;
-  };
-  else range = function(node, start, end) {
-    var r = document.body.createTextRange();
-    try { r.moveToElementText(node.parentNode); }
-    catch(e) { return r; }
-    r.collapse(true);
-    r.moveEnd("character", end);
-    r.moveStart("character", start);
-    return r;
-  };
-
-  function removeChildren(e) {
-    for (var count = e.childNodes.length; count > 0; --count)
-      e.removeChild(e.firstChild);
-    return e;
-  }
-
-  function removeChildrenAndAdd(parent, e) {
-    return removeChildren(parent).appendChild(e);
-  }
-
-  var contains = CodeMirror.contains = function(parent, child) {
-    if (child.nodeType == 3) // Android browser always returns false when child is a textnode
-      child = child.parentNode;
-    if (parent.contains)
-      return parent.contains(child);
-    do {
-      if (child.nodeType == 11) child = child.host;
-      if (child == parent) return true;
-    } while (child = child.parentNode);
-  };
-
-  function activeElt() {
-    var activeElement = document.activeElement;
-    while (activeElement && activeElement.root && activeElement.root.activeElement)
-      activeElement = activeElement.root.activeElement;
-    return activeElement;
-  }
-  // Older versions of IE throws unspecified error when touching
-  // document.activeElement in some cases (during loading, in iframe)
-  if (ie && ie_version < 11) activeElt = function() {
-    try { return document.activeElement; }
-    catch(e) { return document.body; }
-  };
-
-  function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*"); }
-  var rmClass = CodeMirror.rmClass = function(node, cls) {
-    var current = node.className;
-    var match = classTest(cls).exec(current);
-    if (match) {
-      var after = current.slice(match.index + match[0].length);
-      node.className = current.slice(0, match.index) + (after ? match[1] + after : "");
-    }
-  };
-  var addClass = CodeMirror.addClass = function(node, cls) {
-    var current = node.className;
-    if (!classTest(cls).test(current)) node.className += (current ? " " : "") + cls;
-  };
-  function joinClasses(a, b) {
-    var as = a.split(" ");
-    for (var i = 0; i < as.length; i++)
-      if (as[i] && !classTest(as[i]).test(b)) b += " " + as[i];
-    return b;
-  }
-
-  // WINDOW-WIDE EVENTS
+  // Utility for applying a change to a line by handle or number,
+  // returning the number and optionally registering the line as
+  // changed.
+  function changeLine(doc, handle, changeType, op) {
+    var no = handle, line = handle;
+    if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)); }
+    else { no = lineNo(handle); }
+    if (no == null) { return null }
+    if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); }
+    return line
+  }
+
+  // The document is represented as a BTree consisting of leaves, with
+  // chunk of lines in them, and branches, with up to ten leaves or
+  // other branch nodes below them. The top node is always a branch
+  // node, and is the document object itself (meaning it has
+  // additional methods and properties).
+  //
+  // All nodes have parent links. The tree is used both to go from
+  // line numbers to line objects, and to go from objects to numbers.
+  // It also indexes by height, and is used to convert between height
+  // and line object, and to find the total height of the document.
+  //
+  // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html
+
+  function LeafChunk(lines) {
+    var this$1 = this;
+
+    this.lines = lines;
+    this.parent = null;
+    var height = 0;
+    for (var i = 0; i < lines.length; ++i) {
+      lines[i].parent = this$1;
+      height += lines[i].height;
+    }
+    this.height = height;
+  }
+
+  LeafChunk.prototype = {
+    chunkSize: function() { return this.lines.length },
+
+    // Remove the n lines at offset 'at'.
+    removeInner: function(at, n) {
+      var this$1 = this;
+
+      for (var i = at, e = at + n; i < e; ++i) {
+        var line = this$1.lines[i];
+        this$1.height -= line.height;
+        cleanUpLine(line);
+        signalLater(line, "delete");
+      }
+      this.lines.splice(at, n);
+    },
+
+    // Helper used to collapse a small branch into a single leaf.
+    collapse: function(lines) {
+      lines.push.apply(lines, this.lines);
+    },
+
+    // Insert the given array of lines at offset 'at', count them as
+    // having the given height.
+    insertInner: function(at, lines, height) {
+      var this$1 = this;
+
+      this.height += height;
+      this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
+      for (var i = 0; i < lines.length; ++i) { lines[i].parent = this$1; }
+    },
+
+    // Used to iterate over a part of the tree.
+    iterN: function(at, n, op) {
+      var this$1 = this;
+
+      for (var e = at + n; at < e; ++at)
+        { if (op(this$1.lines[at])) { return true } }
+    }
+  };
+
+  function BranchChunk(children) {
+    var this$1 = this;
+
+    this.children = children;
+    var size = 0, height = 0;
+    for (var i = 0; i < children.length; ++i) {
+      var ch = children[i];
+      size += ch.chunkSize(); height += ch.height;
+      ch.parent = this$1;
+    }
+    this.size = size;
+    this.height = height;
+    this.parent = null;
+  }
+
+  BranchChunk.prototype = {
+    chunkSize: function() { return this.size },
+
+    removeInner: function(at, n) {
+      var this$1 = this;
+
+      this.size -= n;
+      for (var i = 0; i < this.children.length; ++i) {
+        var child = this$1.children[i], sz = child.chunkSize();
+        if (at < sz) {
+          var rm = Math.min(n, sz - at), oldHeight = child.height;
+          child.removeInner(at, rm);
+          this$1.height -= oldHeight - child.height;
+          if (sz == rm) { this$1.children.splice(i--, 1); child.parent = null; }
+          if ((n -= rm) == 0) { break }
+          at = 0;
+        } else { at -= sz; }
+      }
+      // If the result is smaller than 25 lines, ensure that it is a
+      // single leaf node.
+      if (this.size - n < 25 &&
+          (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {
+        var lines = [];
+        this.collapse(lines);
+        this.children = [new LeafChunk(lines)];
+        this.children[0].parent = this;
+      }
+    },
+
+    collapse: function(lines) {
+      var this$1 = this;
+
+      for (var i = 0; i < this.children.length; ++i) { this$1.children[i].collapse(lines); }
+    },
+
+    insertInner: function(at, lines, height) {
+      var this$1 = this;
+
+      this.size += lines.length;
+      this.height += height;
+      for (var i = 0; i < this.children.length; ++i) {
+        var child = this$1.children[i], sz = child.chunkSize();
+        if (at <= sz) {
+          child.insertInner(at, lines, height);
+          if (child.lines && child.lines.length > 50) {
+            // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced.
+            // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest.
+            var remaining = child.lines.length % 25 + 25;
+            for (var pos = remaining; pos < child.lines.length;) {
+              var leaf = new LeafChunk(child.lines.slice(pos, pos += 25));
+              child.height -= leaf.height;
+              this$1.children.splice(++i, 0, leaf);
+              leaf.parent = this$1;
+            }
+            child.lines = child.lines.slice(0, remaining);
+            this$1.maybeSpill();
+          }
+          break
+        }
+        at -= sz;
+      }
+    },
+
+    // When a node has grown, check whether it should be split.
+    maybeSpill: function() {
+      if (this.children.length <= 10) { return }
+      var me = this;
+      do {
+        var spilled = me.children.splice(me.children.length - 5, 5);
+        var sibling = new BranchChunk(spilled);
+        if (!me.parent) { // Become the parent node
+          var copy = new BranchChunk(me.children);
+          copy.parent = me;
+          me.children = [copy, sibling];
+          me = copy;
+       } else {
+          me.size -= sibling.size;
+          me.height -= sibling.height;
+          var myIndex = indexOf(me.parent.children, me);
+          me.parent.children.splice(myIndex + 1, 0, sibling);
+        }
+        sibling.parent = me.parent;
+      } while (me.children.length > 10)
+      me.parent.maybeSpill();
+    },
+
+    iterN: function(at, n, op) {
+      var this$1 = this;
+
+      for (var i = 0; i < this.children.length; ++i) {
+        var child = this$1.children[i], sz = child.chunkSize();
+        if (at < sz) {
+          var used = Math.min(n, sz - at);
+          if (child.iterN(at, used, op)) { return true }
+          if ((n -= used) == 0) { break }
+          at = 0;
+        } else { at -= sz; }
+      }
+    }
+  };
+
+  // Line widgets are block elements displayed above or below a line.
+
+  var LineWidget = function(doc, node, options) {
+    var this$1 = this;
+
+    if (options) { for (var opt in options) { if (options.hasOwnProperty(opt))
+      { this$1[opt] = options[opt]; } } }
+    this.doc = doc;
+    this.node = node;
+  };
+
+  LineWidget.prototype.clear = function () {
+      var this$1 = this;
+
+    var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);
+    if (no == null || !ws) { return }
+    for (var i = 0; i < ws.length; ++i) { if (ws[i] == this$1) { ws.splice(i--, 1); } }
+    if (!ws.length) { line.widgets = null; }
+    var height = widgetHeight(this);
+    updateLineHeight(line, Math.max(0, line.height - height));
+    if (cm) {
+      runInOp(cm, function () {
+        adjustScrollWhenAboveVisible(cm, line, -height);
+        regLineChange(cm, no, "widget");
+      });
+      signalLater(cm, "lineWidgetCleared", cm, this, no);
+    }
+  };
+
+  LineWidget.prototype.changed = function () {
+      var this$1 = this;
+
+    var oldH = this.height, cm = this.doc.cm, line = this.line;
+    this.height = null;
+    var diff = widgetHeight(this) - oldH;
+    if (!diff) { return }
+    if (!lineIsHidden(this.doc, line)) { updateLineHeight(line, line.height + diff); }
+    if (cm) {
+      runInOp(cm, function () {
+        cm.curOp.forceUpdate = true;
+        adjustScrollWhenAboveVisible(cm, line, diff);
+        signalLater(cm, "lineWidgetChanged", cm, this$1, lineNo(line));
+      });
+    }
+  };
+  eventMixin(LineWidget);
+
+  function adjustScrollWhenAboveVisible(cm, line, diff) {
+    if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))
+      { addToScrollTop(cm, diff); }
+  }
+
+  function addLineWidget(doc, handle, node, options) {
+    var widget = new LineWidget(doc, node, options);
+    var cm = doc.cm;
+    if (cm && widget.noHScroll) { cm.display.alignWidgets = true; }
+    changeLine(doc, handle, "widget", function (line) {
+      var widgets = line.widgets || (line.widgets = []);
+      if (widget.insertAt == null) { widgets.push(widget); }
+      else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); }
+      widget.line = line;
+      if (cm && !lineIsHidden(doc, line)) {
+        var aboveVisible = heightAtLine(line) < doc.scrollTop;
+        updateLineHeight(line, line.height + widgetHeight(widget));
+        if (aboveVisible) { addToScrollTop(cm, widget.height); }
+        cm.curOp.forceUpdate = true;
+      }
+      return true
+    });
+    if (cm) { signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle)); }
+    return widget
+  }
+
+  // TEXTMARKERS
+
+  // Created with markText and setBookmark methods. A TextMarker is a
+  // handle that can be used to clear or find a marked position in the
+  // document. Line objects hold arrays (markedSpans) containing
+  // {from, to, marker} object pointing to such marker objects, and
+  // indicating that such a marker is present on that line. Multiple
+  // lines may point to the same marker when it spans across lines.
+  // The spans will have null for their from/to properties when the
+  // marker continues beyond the start/end of the line. Markers have
+  // links back to the lines they currently touch.
+
+  // Collapsed markers have unique ids, in order to be able to order
+  // them, which is needed for uniquely determining an outer marker
+  // when they overlap (they may nest, but not partially overlap).
+  var nextMarkerId = 0;
+
+  var TextMarker = function(doc, type) {
+    this.lines = [];
+    this.type = type;
+    this.doc = doc;
+    this.id = ++nextMarkerId;
+  };
+
+  // Clear the marker.
+  TextMarker.prototype.clear = function () {
+      var this$1 = this;
+
+    if (this.explicitlyCleared) { return }
+    var cm = this.doc.cm, withOp = cm && !cm.curOp;
+    if (withOp) { startOperation(cm); }
+    if (hasHandler(this, "clear")) {
+      var found = this.find();
+      if (found) { signalLater(this, "clear", found.from, found.to); }
+    }
+    var min = null, max = null;
+    for (var i = 0; i < this.lines.length; ++i) {
+      var line = this$1.lines[i];
+      var span = getMarkedSpanFor(line.markedSpans, this$1);
+      if (cm && !this$1.collapsed) { regLineChange(cm, lineNo(line), "text"); }
+      else if (cm) {
+        if (span.to != null) { max = lineNo(line); }
+        if (span.from != null) { min = lineNo(line); }
+      }
+      line.markedSpans = removeMarkedSpan(line.markedSpans, span);
+      if (span.from == null && this$1.collapsed && !lineIsHidden(this$1.doc, line) && cm)
+        { updateLineHeight(line, textHeight(cm.display)); }
+    }
+    if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) {
+      var visual = visualLine(this$1.lines[i$1]), len = lineLength(visual);
+      if (len > cm.display.maxLineLength) {
+        cm.display.maxLine = visual;
+        cm.display.maxLineLength = len;
+        cm.display.maxLineChanged = true;
+      }
+    } }
+
+    if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); }
+    this.lines.length = 0;
+    this.explicitlyCleared = true;
+    if (this.atomic && this.doc.cantEdit) {
+      this.doc.cantEdit = false;
+      if (cm) { reCheckSelection(cm.doc); }
+    }
+    if (cm) { signalLater(cm, "markerCleared", cm, this, min, max); }
+    if (withOp) { endOperation(cm); }
+    if (this.parent) { this.parent.clear(); }
+  };
+
+  // Find the position of the marker in the document. Returns a {from,
+  // to} object by default. Side can be passed to get a specific side
+  // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the
+  // Pos objects returned contain a line object, rather than a line
+  // number (used to prevent looking up the same line twice).
+  TextMarker.prototype.find = function (side, lineObj) {
+      var this$1 = this;
+
+    if (side == null && this.type == "bookmark") { side = 1; }
+    var from, to;
+    for (var i = 0; i < this.lines.length; ++i) {
+      var line = this$1.lines[i];
+      var span = getMarkedSpanFor(line.markedSpans, this$1);
+      if (span.from != null) {
+        from = Pos(lineObj ? line : lineNo(line), span.from);
+        if (side == -1) { return from }
+      }
+      if (span.to != null) {
+        to = Pos(lineObj ? line : lineNo(line), span.to);
+        if (side == 1) { return to }
+      }
+    }
+    return from && {from: from, to: to}
+  };
+
+  // Signals that the marker's widget changed, and surrounding layout
+  // should be recomputed.
+  TextMarker.prototype.changed = function () {
+      var this$1 = this;
+
+    var pos = this.find(-1, true), widget = this, cm = this.doc.cm;
+    if (!pos || !cm) { return }
+    runInOp(cm, function () {
+      var line = pos.line, lineN = lineNo(pos.line);
+      var view = findViewForLine(cm, lineN);
+      if (view) {
+        clearLineMeasurementCacheFor(view);
+        cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;
+      }
+      cm.curOp.updateMaxLine = true;
+      if (!lineIsHidden(widget.doc, line) && widget.height != null) {
+        var oldHeight = widget.height;
+        widget.height = null;
+        var dHeight = widgetHeight(widget) - oldHeight;
+        if (dHeight)
+          { updateLineHeight(line, line.height + dHeight); }
+      }
+      signalLater(cm, "markerChanged", cm, this$1);
+    });
+  };
+
+  TextMarker.prototype.attachLine = function (line) {
+    if (!this.lines.length && this.doc.cm) {
+      var op = this.doc.cm.curOp;
+      if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)
+        { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); }
+    }
+    this.lines.push(line);
+  };
+
+  TextMarker.prototype.detachLine = function (line) {
+    this.lines.splice(indexOf(this.lines, line), 1);
+    if (!this.lines.length && this.doc.cm) {
+      var op = this.doc.cm.curOp
+      ;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);
+    }
+  };
+  eventMixin(TextMarker);
+
+  // Create a marker, wire it up to the right lines, and
+  function markText(doc, from, to, options, type) {
+    // Shared markers (across linked documents) are handled separately
+    // (markTextShared will call out to this again, once per
+    // document).
+    if (options && options.shared) { return markTextShared(doc, from, to, options, type) }
+    // Ensure we are in an operation.
+    if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) }
+
+    var marker = new TextMarker(doc, type), diff = cmp(from, to);
+    if (options) { copyObj(options, marker, false); }
+    // Don't connect empty markers unless clearWhenEmpty is false
+    if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)
+      { return marker }
+    if (marker.replacedWith) {
+      // Showing up as a widget implies collapsed (widget replaces text)
+      marker.collapsed = true;
+      marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget");
+      if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true"); }
+      if (options.insertLeft) { marker.widgetNode.insertLeft = true; }
+    }
+    if (marker.collapsed) {
+      if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||
+          from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))
+        { throw new Error("Inserting collapsed marker partially overlapping an existing one") }
+      seeCollapsedSpans();
+    }
+
+    if (marker.addToHistory)
+      { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); }
+
+    var curLine = from.line, cm = doc.cm, updateMaxLine;
+    doc.iter(curLine, to.line + 1, function (line) {
+      if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)
+        { updateMaxLine = true; }
+      if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); }
+      addMarkedSpan(line, new MarkedSpan(marker,
+                                         curLine == from.line ? from.ch : null,
+                                         curLine == to.line ? to.ch : null));
+      ++curLine;
+    });
+    // lineIsHidden depends on the presence of the spans, so needs a second pass
+    if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) {
+      if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); }
+    }); }
+
+    if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }); }
+
+    if (marker.readOnly) {
+      seeReadOnlySpans();
+      if (doc.history.done.length || doc.history.undone.length)
+        { doc.clearHistory(); }
+    }
+    if (marker.collapsed) {
+      marker.id = ++nextMarkerId;
+      marker.atomic = true;
+    }
+    if (cm) {
+      // Sync editor state
+      if (updateMaxLine) { cm.curOp.updateMaxLine = true; }
+      if (marker.collapsed)
+        { regChange(cm, from.line, to.line + 1); }
+      else if (marker.className || marker.startStyle || marker.endStyle || marker.css ||
+               marker.attributes || marker.title)
+        { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text"); } }
+      if (marker.atomic) { reCheckSelection(cm.doc); }
+      signalLater(cm, "markerAdded", cm, marker);
+    }
+    return marker
+  }
+
+  // SHARED TEXTMARKERS
+
+  // A shared marker spans multiple linked documents. It is
+  // implemented as a meta-marker-object controlling multiple normal
+  // markers.
+  var SharedTextMarker = function(markers, primary) {
+    var this$1 = this;
+
+    this.markers = markers;
+    this.primary = primary;
+    for (var i = 0; i < markers.length; ++i)
+      { markers[i].parent = this$1; }
+  };
+
+  SharedTextMarker.prototype.clear = function () {
+      var this$1 = this;
+
+    if (this.explicitlyCleared) { return }
+    this.explicitlyCleared = true;
+    for (var i = 0; i < this.markers.length; ++i)
+      { this$1.markers[i].clear(); }
+    signalLater(this, "clear");
+  };
+
+  SharedTextMarker.prototype.find = function (side, lineObj) {
+    return this.primary.find(side, lineObj)
+  };
+  eventMixin(SharedTextMarker);
+
+  function markTextShared(doc, from, to, options, type) {
+    options = copyObj(options);
+    options.shared = false;
+    var markers = [markText(doc, from, to, options, type)], primary = markers[0];
+    var widget = options.widgetNode;
+    linkedDocs(doc, function (doc) {
+      if (widget) { options.widgetNode = widget.cloneNode(true); }
+      markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));
+      for (var i = 0; i < doc.linked.length; ++i)
+        { if (doc.linked[i].isParent) { return } }
+      primary = lst(markers);
+    });
+    return new SharedTextMarker(markers, primary)
+  }
+
+  function findSharedMarkers(doc) {
+    return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; })
+  }
+
+  function copySharedMarkers(doc, markers) {
+    for (var i = 0; i < markers.length; i++) {
+      var marker = markers[i], pos = marker.find();
+      var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);
+      if (cmp(mFrom, mTo)) {
+        var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);
+        marker.markers.push(subMark);
+        subMark.parent = marker;
+      }
+    }
+  }
+
+  function detachSharedMarkers(markers) {
+    var loop = function ( i ) {
+      var marker = markers[i], linked = [marker.primary.doc];
+      linkedDocs(marker.primary.doc, function (d) { return linked.push(d); });
+      for (var j = 0; j < marker.markers.length; j++) {
+        var subMarker = marker.markers[j];
+        if (indexOf(linked, subMarker.doc) == -1) {
+          subMarker.parent = null;
+          marker.markers.splice(j--, 1);
+        }
+      }
+    };
+
+    for (var i = 0; i < markers.length; i++) loop( i );
+  }
+
+  var nextDocId = 0;
+  var Doc = function(text, mode, firstLine, lineSep, direction) {
+    if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) }
+    if (firstLine == null) { firstLine = 0; }
+
+    BranchChunk.call(this, [new LeafChunk([new Line("", null)])]);
+    this.first = firstLine;
+    this.scrollTop = this.scrollLeft = 0;
+    this.cantEdit = false;
+    this.cleanGeneration = 1;
+    this.modeFrontier = this.highlightFrontier = firstLine;
+    var start = Pos(firstLine, 0);
+    this.sel = simpleSelection(start);
+    this.history = new History(null);
+    this.id = ++nextDocId;
+    this.modeOption = mode;
+    this.lineSep = lineSep;
+    this.direction = (direction == "rtl") ? "rtl" : "ltr";
+    this.extend = false;
+
+    if (typeof text == "string") { text = this.splitLines(text); }
+    updateDoc(this, {from: start, to: start, text: text});
+    setSelection(this, simpleSelection(start), sel_dontScroll);
+  };
+
+  Doc.prototype = createObj(BranchChunk.prototype, {
+    constructor: Doc,
+    // Iterate over the document. Supports two forms -- with only one
+    // argument, it calls that for each line in the document. With
+    // three, it iterates over the range given by the first two (with
+    // the second being non-inclusive).
+    iter: function(from, to, op) {
+      if (op) { this.iterN(from - this.first, to - from, op); }
+      else { this.iterN(this.first, this.first + this.size, from); }
+    },
+
+    // Non-public interface for adding and removing lines.
+    insert: function(at, lines) {
+      var height = 0;
+      for (var i = 0; i < lines.length; ++i) { height += lines[i].height; }
+      this.insertInner(at - this.first, lines, height);
+    },
+    remove: function(at, n) { this.removeInner(at - this.first, n); },
+
+    // From here, the methods are part of the public interface. Most
+    // are also available from CodeMirror (editor) instances.
+
+    getValue: function(lineSep) {
+      var lines = getLines(this, this.first, this.first + this.size);
+      if (lineSep === false) { return lines }
+      return lines.join(lineSep || this.lineSeparator())
+    },
+    setValue: docMethodOp(function(code) {
+      var top = Pos(this.first, 0), last = this.first + this.size - 1;
+      makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
+                        text: this.splitLines(code), origin: "setValue", full: true}, true);
+      if (this.cm) { scrollToCoords(this.cm, 0, 0); }
+      setSelection(this, simpleSelection(top), sel_dontScroll);
+    }),
+    replaceRange: function(code, from, to, origin) {
+      from = clipPos(this, from);
+      to = to ? clipPos(this, to) : from;
+      replaceRange(this, code, from, to, origin);
+    },
+    getRange: function(from, to, lineSep) {
+      var lines = getBetween(this, clipPos(this, from), clipPos(this, to));
+      if (lineSep === false) { return lines }
+      return lines.join(lineSep || this.lineSeparator())
+    },
+
+    getLine: function(line) {var l = this.getLineHandle(line); return l && l.text},
+
+    getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }},
+    getLineNumber: function(line) {return lineNo(line)},
+
+    getLineHandleVisualStart: function(line) {
+      if (typeof line == "number") { line = getLine(this, line); }
+      return visualLine(line)
+    },
+
+    lineCount: function() {return this.size},
+    firstLine: function() {return this.first},
+    lastLine: function() {return this.first + this.size - 1},
+
+    clipPos: function(pos) {return clipPos(this, pos)},
+
+    getCursor: function(start) {
+      var range$$1 = this.sel.primary(), pos;
+      if (start == null || start == "head") { pos = range$$1.head; }
+      else if (start == "anchor") { pos = range$$1.anchor; }
+      else if (start == "end" || start == "to" || start === false) { pos = range$$1.to(); }
+      else { pos = range$$1.from(); }
+      return pos
+    },
+    listSelections: function() { return this.sel.ranges },
+    somethingSelected: function() {return this.sel.somethingSelected()},
+
+    setCursor: docMethodOp(function(line, ch, options) {
+      setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options);
+    }),
+    setSelection: docMethodOp(function(anchor, head, options) {
+      setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);
+    }),
+    extendSelection: docMethodOp(function(head, other, options) {
+      extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);
+    }),
+    extendSelections: docMethodOp(function(heads, options) {
+      extendSelections(this, clipPosArray(this, heads), options);
+    }),
+    extendSelectionsBy: docMethodOp(function(f, options) {
+      var heads = map(this.sel.ranges, f);
+      extendSelections(this, clipPosArray(this, heads), options);
+    }),
+    setSelections: docMethodOp(function(ranges, primary, options) {
+      var this$1 = this;
+
+      if (!ranges.length) { return }
+      var out = [];
+      for (var i = 0; i < ranges.length; i++)
+        { out[i] = new Range(clipPos(this$1, ranges[i].anchor),
+                           clipPos(this$1, ranges[i].head)); }
+      if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); }
+      setSelection(this, normalizeSelection(this.cm, out, primary), options);
+    }),
+    addSelection: docMethodOp(function(anchor, head, options) {
+      var ranges = this.sel.ranges.slice(0);
+      ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));
+      setSelection(this, normalizeSelection(this.cm, ranges, ranges.length - 1), options);
+    }),
+
+    getSelection: function(lineSep) {
+      var this$1 = this;
+
+      var ranges = this.sel.ranges, lines;
+      for (var i = 0; i < ranges.length; i++) {
+        var sel = getBetween(this$1, ranges[i].from(), ranges[i].to());
+        lines = lines ? lines.concat(sel) : sel;
+      }
+      if (lineSep === false) { return lines }
+      else { return lines.join(lineSep || this.lineSeparator()) }
+    },
+    getSelections: function(lineSep) {
+      var this$1 = this;
+
+      var parts = [], ranges = this.sel.ranges;
+      for (var i = 0; i < ranges.length; i++) {
+        var sel = getBetween(this$1, ranges[i].from(), ranges[i].to());
+        if (lineSep !== false) { sel = sel.join(lineSep || this$1.lineSeparator()); }
+        parts[i] = sel;
+      }
+      return parts
+    },
+    replaceSelection: function(code, collapse, origin) {
+      var dup = [];
+      for (var i = 0; i < this.sel.ranges.length; i++)
+        { dup[i] = code; }
+      this.replaceSelections(dup, collapse, origin || "+input");
+    },
+    replaceSelections: docMethodOp(function(code, collapse, origin) {
+      var this$1 = this;
+
+      var changes = [], sel = this.sel;
+      for (var i = 0; i < sel.ranges.length; i++) {
+        var range$$1 = sel.ranges[i];
+        changes[i] = {from: range$$1.from(), to: range$$1.to(), text: this$1.splitLines(code[i]), origin: origin};
+      }
+      var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse);
+      for (var i$1 = changes.length - 1; i$1 >= 0; i$1--)
+        { makeChange(this$1, changes[i$1]); }
+      if (newSel) { setSelectionReplaceHistory(this, newSel); }
+      else if (this.cm) { ensureCursorVisible(this.cm); }
+    }),
+    undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}),
+    redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}),
+    undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}),
+    redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}),
+
+    setExtending: function(val) {this.extend = val;},
+    getExtending: function() {return this.extend},
+
+    historySize: function() {
+      var hist = this.history, done = 0, undone = 0;
+      for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } }
+      for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } }
+      return {undo: done, redo: undone}
+    },
+    clearHistory: function() {this.history = new History(this.history.maxGeneration);},
+
+    markClean: function() {
+      this.cleanGeneration = this.changeGeneration(true);
+    },
+    changeGeneration: function(forceSplit) {
+      if (forceSplit)
+        { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; }
+      return this.history.generation
+    },
+    isClean: function (gen) {
+      return this.history.generation == (gen || this.cleanGeneration)
+    },
+
+    getHistory: function() {
+      return {done: copyHistoryArray(this.history.done),
+              undone: copyHistoryArray(this.history.undone)}
+    },
+    setHistory: function(histData) {
+      var hist = this.history = new History(this.history.maxGeneration);
+      hist.done = copyHistoryArray(histData.done.slice(0), null, true);
+      hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);
+    },
+
+    setGutterMarker: docMethodOp(function(line, gutterID, value) {
+      return changeLine(this, line, "gutter", function (line) {
+        var markers = line.gutterMarkers || (line.gutterMarkers = {});
+        markers[gutterID] = value;
+        if (!value && isEmpty(markers)) { line.gutterMarkers = null; }
+        return true
+      })
+    }),
+
+    clearGutter: docMethodOp(function(gutterID) {
+      var this$1 = this;
+
+      this.iter(function (line) {
+        if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
+          changeLine(this$1, line, "gutter", function () {
+            line.gutterMarkers[gutterID] = null;
+            if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; }
+            return true
+          });
+        }
+      });
+    }),
+
+    lineInfo: function(line) {
+      var n;
+      if (typeof line == "number") {
+        if (!isLine(this, line)) { return null }
+        n = line;
+        line = getLine(this, line);
+        if (!line) { return null }
+      } else {
+        n = lineNo(line);
+        if (n == null) { return null }
+      }
+      return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
+              textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
+              widgets: line.widgets}
+    },
+
+    addLineClass: docMethodOp(function(handle, where, cls) {
+      return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
+        var prop = where == "text" ? "textClass"
+                 : where == "background" ? "bgClass"
+                 : where == "gutter" ? "gutterClass" : "wrapClass";
+        if (!line[prop]) { line[prop] = cls; }
+        else if (classTest(cls).test(line[prop])) { return false }
+        else { line[prop] += " " + cls; }
+        return true
+      })
+    }),
+    removeLineClass: docMethodOp(function(handle, where, cls) {
+      return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
+        var prop = where == "text" ? "textClass"
+                 : where == "background" ? "bgClass"
+                 : where == "gutter" ? "gutterClass" : "wrapClass";
+        var cur = line[prop];
+        if (!cur) { return false }
+        else if (cls == null) { line[prop] = null; }
+        else {
+          var found = cur.match(classTest(cls));
+          if (!found) { return false }
+          var end = found.index + found[0].length;
+          line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null;
+        }
+        return true
+      })
+    }),
+
+    addLineWidget: docMethodOp(function(handle, node, options) {
+      return addLineWidget(this, handle, node, options)
+    }),
+    removeLineWidget: function(widget) { widget.clear(); },
+
+    markText: function(from, to, options) {
+      return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range")
+    },
+    setBookmark: function(pos, options) {
+      var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
+                      insertLeft: options && options.insertLeft,
+                      clearWhenEmpty: false, shared: options && options.shared,
+                      handleMouseEvents: options && options.handleMouseEvents};
+      pos = clipPos(this, pos);
+      return markText(this, pos, pos, realOpts, "bookmark")
+    },
+    findMarksAt: function(pos) {
+      pos = clipPos(this, pos);
+      var markers = [], spans = getLine(this, pos.line).markedSpans;
+      if (spans) { for (var i = 0; i < spans.length; ++i) {
+        var span = spans[i];
+        if ((span.from == null || span.from <= pos.ch) &&
+            (span.to == null || span.to >= pos.ch))
+          { markers.push(span.marker.parent || span.marker); }
+      } }
+      return markers
+    },
+    findMarks: function(from, to, filter) {
+      from = clipPos(this, from); to = clipPos(this, to);
+      var found = [], lineNo$$1 = from.line;
+      this.iter(from.line, to.line + 1, function (line) {
+        var spans = line.markedSpans;
+        if (spans) { for (var i = 0; i < spans.length; i++) {
+          var span = spans[i];
+          if (!(span.to != null && lineNo$$1 == from.line && from.ch >= span.to ||
+                span.from == null && lineNo$$1 != from.line ||
+                span.from != null && lineNo$$1 == to.line && span.from >= to.ch) &&
+              (!filter || filter(span.marker)))
+            { found.push(span.marker.parent || span.marker); }
+        } }
+        ++lineNo$$1;
+      });
+      return found
+    },
+    getAllMarks: function() {
+      var markers = [];
+      this.iter(function (line) {
+        var sps = line.markedSpans;
+        if (sps) { for (var i = 0; i < sps.length; ++i)
+          { if (sps[i].from != null) { markers.push(sps[i].marker); } } }
+      });
+      return markers
+    },
+
+    posFromIndex: function(off) {
+      var ch, lineNo$$1 = this.first, sepSize = this.lineSeparator().length;
+      this.iter(function (line) {
+        var sz = line.text.length + sepSize;
+        if (sz > off) { ch = off; return true }
+        off -= sz;
+        ++lineNo$$1;
+      });
+      return clipPos(this, Pos(lineNo$$1, ch))
+    },
+    indexFromPos: function (coords) {
+      coords = clipPos(this, coords);
+      var index = coords.ch;
+      if (coords.line < this.first || coords.ch < 0) { return 0 }
+      var sepSize = this.lineSeparator().length;
+      this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value
+        index += line.text.length + sepSize;
+      });
+      return index
+    },
+
+    copy: function(copyHistory) {
+      var doc = new Doc(getLines(this, this.first, this.first + this.size),
+                        this.modeOption, this.first, this.lineSep, this.direction);
+      doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;
+      doc.sel = this.sel;
+      doc.extend = false;
+      if (copyHistory) {
+        doc.history.undoDepth = this.history.undoDepth;
+        doc.setHistory(this.getHistory());
+      }
+      return doc
+    },
+
+    linkedDoc: function(options) {
+      if (!options) { options = {}; }
+      var from = this.first, to = this.first + this.size;
+      if (options.from != null && options.from > from) { from = options.from; }
+      if (options.to != null && options.to < to) { to = options.to; }
+      var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction);
+      if (options.sharedHist) { copy.history = this.history
+      ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});
+      copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];
+      copySharedMarkers(copy, findSharedMarkers(this));
+      return copy
+    },
+    unlinkDoc: function(other) {
+      var this$1 = this;
+
+      if (other instanceof CodeMirror) { other = other.doc; }
+      if (this.linked) { for (var i = 0; i < this.linked.length; ++i) {
+        var link = this$1.linked[i];
+        if (link.doc != other) { continue }
+        this$1.linked.splice(i, 1);
+        other.unlinkDoc(this$1);
+        detachSharedMarkers(findSharedMarkers(this$1));
+        break
+      } }
+      // If the histories were shared, split them again
+      if (other.history == this.history) {
+        var splitIds = [other.id];
+        linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true);
+        other.history = new History(null);
+        other.history.done = copyHistoryArray(this.history.done, splitIds);
+        other.history.undone = copyHistoryArray(this.history.undone, splitIds);
+      }
+    },
+    iterLinkedDocs: function(f) {linkedDocs(this, f);},
+
+    getMode: function() {return this.mode},
+    getEditor: function() {return this.cm},
+
+    splitLines: function(str) {
+      if (this.lineSep) { return str.split(this.lineSep) }
+      return splitLinesAuto(str)
+    },
+    lineSeparator: function() { return this.lineSep || "\n" },
+
+    setDirection: docMethodOp(function (dir) {
+      if (dir != "rtl") { dir = "ltr"; }
+      if (dir == this.direction) { return }
+      this.direction = dir;
+      this.iter(function (line) { return line.order = null; });
+      if (this.cm) { directionChanged(this.cm); }
+    })
+  });
+
+  // Public alias.
+  Doc.prototype.eachLine = Doc.prototype.iter;
+
+  // Kludge to work around strange IE behavior where it'll sometimes
+  // re-fire a series of drag-related events right after the drop (#1551)
+  var lastDrop = 0;
+
+  function onDrop(e) {
+    var cm = this;
+    clearDragCursor(cm);
+    if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))
+      { return }
+    e_preventDefault(e);
+    if (ie) { lastDrop = +new Date; }
+    var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
+    if (!pos || cm.isReadOnly()) { return }
+    // Might be a file drop, in which case we simply extract the text
+    // and insert it.
+    if (files && files.length && window.FileReader && window.File) {
+      var n = files.length, text = Array(n), read = 0;
+      var loadFile = function (file, i) {
+        if (cm.options.allowDropFileTypes &&
+            indexOf(cm.options.allowDropFileTypes, file.type) == -1)
+          { return }
+
+        var reader = new FileReader;
+        reader.onload = operation(cm, function () {
+          var content = reader.result;
+          if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) { content = ""; }
+          text[i] = content;
+          if (++read == n) {
+            pos = clipPos(cm.doc, pos);
+            var change = {from: pos, to: pos,
+                          text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())),
+                          origin: "paste"};
+            makeChange(cm.doc, change);
+            setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change)));
+          }
+        });
+        reader.readAsText(file);
+      };
+      for (var i = 0; i < n; ++i) { loadFile(files[i], i); }
+    } else { // Normal drop
+      // Don't do a replace if the drop happened inside of the selected text.
+      if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {
+        cm.state.draggingText(e);
+        // Ensure the editor is re-focused
+        setTimeout(function () { return cm.display.input.focus(); }, 20);
+        return
+      }
+      try {
+        var text$1 = e.dataTransfer.getData("Text");
+        if (text$1) {
+          var selected;
+          if (cm.state.draggingText && !cm.state.draggingText.copy)
+            { selected = cm.listSelections(); }
+          setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));
+          if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1)
+            { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag"); } }
+          cm.replaceSelection(text$1, "around", "paste");
+          cm.display.input.focus();
+        }
+      }
+      catch(e){}
+    }
+  }
+
+  function onDragStart(cm, e) {
+    if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return }
+    if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return }
+
+    e.dataTransfer.setData("Text", cm.getSelection());
+    e.dataTransfer.effectAllowed = "copyMove";
+
+    // Use dummy image instead of default browsers image.
+    // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
+    if (e.dataTransfer.setDragImage && !safari) {
+      var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");
+      img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
+      if (presto) {
+        img.width = img.height = 1;
+        cm.display.wrapper.appendChild(img);
+        // Force a relayout, or Opera won't use our image for some obscure reason
+        img._top = img.offsetTop;
+      }
+      e.dataTransfer.setDragImage(img, 0, 0);
+      if (presto) { img.parentNode.removeChild(img); }
+    }
+  }
+
+  function onDragOver(cm, e) {
+    var pos = posFromMouse(cm, e);
+    if (!pos) { return }
+    var frag = document.createDocumentFragment();
+    drawSelectionCursor(cm, pos, frag);
+    if (!cm.display.dragCursor) {
+      cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors");
+      cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv);
+    }
+    removeChildrenAndAdd(cm.display.dragCursor, frag);
+  }
+
+  function clearDragCursor(cm) {
+    if (cm.display.dragCursor) {
+      cm.display.lineSpace.removeChild(cm.display.dragCursor);
+      cm.display.dragCursor = null;
+    }
+  }
 
   // These must be handled carefully, because naively registering a
   // handler for each editor will cause the editors to never be
   // garbage collected.
 
   function forEachCodeMirror(f) {
-    if (!document.body.getElementsByClassName) return;
-    var byClass = document.body.getElementsByClassName("CodeMirror");
+    if (!document.getElementsByClassName) { return }
+    var byClass = document.getElementsByClassName("CodeMirror"), editors = [];
     for (var i = 0; i < byClass.length; i++) {
       var cm = byClass[i].CodeMirror;
-      if (cm) f(cm);
-    }
+      if (cm) { editors.push(cm); }
+    }
+    if (editors.length) { editors[0].operation(function () {
+      for (var i = 0; i < editors.length; i++) { f(editors[i]); }
+    }); }
   }
 
   var globalsRegistered = false;
   function ensureGlobalHandlers() {
-    if (globalsRegistered) return;
+    if (globalsRegistered) { return }
     registerGlobalHandlers();
     globalsRegistered = true;
   }
   function registerGlobalHandlers() {
     // When the window resizes, we need to refresh active editors.
     var resizeTimer;
-    on(window, "resize", function() {
-      if (resizeTimer == null) resizeTimer = setTimeout(function() {
+    on(window, "resize", function () {
+      if (resizeTimer == null) { resizeTimer = setTimeout(function () {
         resizeTimer = null;
         forEachCodeMirror(onResize);
-      }, 100);
+      }, 100); }
     });
     // When the window loses focus, we want to show the editor as blurred
-    on(window, "blur", function() {
-      forEachCodeMirror(onBlur);
-    });
-  }
-
-  // FEATURE DETECTION
-
-  // Detect drag-and-drop
-  var dragAndDrop = function() {
-    // There is *some* kind of drag-and-drop support in IE6-8, but I
-    // couldn't get it to work yet.
-    if (ie && ie_version < 9) return false;
-    var div = elt('div');
-    return "draggable" in div || "dragDrop" in div;
-  }();
-
-  var zwspSupported;
-  function zeroWidthElement(measure) {
-    if (zwspSupported == null) {
-      var test = elt("span", "\u200b");
-      removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
-      if (measure.firstChild.offsetHeight != 0)
-        zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8);
-    }
-    var node = zwspSupported ? elt("span", "\u200b") :
-      elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
-    node.setAttribute("cm-text", "");
-    return node;
-  }
-
-  // Feature-detect IE's crummy client rect reporting for bidi text
-  var badBidiRects;
-  function hasBadBidiRects(measure) {
-    if (badBidiRects != null) return badBidiRects;
-    var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA"));
-    var r0 = range(txt, 0, 1).getBoundingClientRect();
-    if (!r0 || r0.left == r0.right) return false; // Safari returns null in some cases (#2780)
-    var r1 = range(txt, 1, 2).getBoundingClientRect();
-    return badBidiRects = (r1.right - r0.right < 3);
-  }
-
-  // See if "".split is the broken IE version, if so, provide an
-  // alternative way to split lines.
-  var splitLinesAuto = CodeMirror.splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) {
-    var pos = 0, result = [], l = string.length;
-    while (pos <= l) {
-      var nl = string.indexOf("\n", pos);
-      if (nl == -1) nl = string.length;
-      var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
-      var rt = line.indexOf("\r");
-      if (rt != -1) {
-        result.push(line.slice(0, rt));
-        pos += rt + 1;
-      } else {
-        result.push(line);
-        pos = nl + 1;
-      }
-    }
-    return result;
-  } : function(string){return string.split(/\r\n?|\n/);};
-
-  var hasSelection = window.getSelection ? function(te) {
-    try { return te.selectionStart != te.selectionEnd; }
-    catch(e) { return false; }
-  } : function(te) {
-    try {var range = te.ownerDocument.selection.createRange();}
-    catch(e) {}
-    if (!range || range.parentElement() != te) return false;
-    return range.compareEndPoints("StartToEnd", range) != 0;
-  };
-
-  var hasCopyEvent = (function() {
-    var e = elt("div");
-    if ("oncopy" in e) return true;
-    e.setAttribute("oncopy", "return;");
-    return typeof e.oncopy == "function";
-  })();
-
-  var badZoomedRects = null;
-  function hasBadZoomedRects(measure) {
-    if (badZoomedRects != null) return badZoomedRects;
-    var node = removeChildrenAndAdd(measure, elt("span", "x"));
-    var normal = node.getBoundingClientRect();
-    var fromRange = range(node, 0, 1).getBoundingClientRect();
-    return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1;
-  }
-
-  // KEY NAMES
-
-  var keyNames = CodeMirror.keyNames = {
-    3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
+    on(window, "blur", function () { return forEachCodeMirror(onBlur); });
+  }
+  // Called when the window resizes
+  function onResize(cm) {
+    var d = cm.display;
+    // Might be a text scaling operation, clear size caches.
+    d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
+    d.scrollbarsClipped = false;
+    cm.setSize();
+  }
+
+  var keyNames = {
+    3: "Pause", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
     19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
     36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
     46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod",
-    106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete",
+    106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 145: "ScrollLock",
     173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
     221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete",
     63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"
   };
-  (function() {
-    // Number keys
-    for (var i = 0; i < 10; i++) keyNames[i + 48] = keyNames[i + 96] = String(i);
-    // Alphabetic keys
-    for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i);
-    // Function keys
-    for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i;
-  })();
-
-  // BIDI HELPERS
-
-  function iterateBidiSections(order, from, to, f) {
-    if (!order) return f(from, to, "ltr");
-    var found = false;
-    for (var i = 0; i < order.length; ++i) {
-      var part = order[i];
-      if (part.from < to && part.to > from || from == to && part.to == from) {
-        f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr");
-        found = true;
-      }
-    }
-    if (!found) f(from, to, "ltr");
-  }
-
-  function bidiLeft(part) { return part.level % 2 ? part.to : part.from; }
-  function bidiRight(part) { return part.level % 2 ? part.from : part.to; }
-
-  function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; }
-  function lineRight(line) {
-    var order = getOrder(line);
-    if (!order) return line.text.length;
-    return bidiRight(lst(order));
-  }
+
+  // Number keys
+  for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); }
+  // Alphabetic keys
+  for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); }
+  // Function keys
+  for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2; }
+
+  var keyMap = {};
+
+  keyMap.basic = {
+    "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
+    "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
+    "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",
+    "Tab": "defaultTab", "Shift-Tab": "indentAuto",
+    "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",
+    "Esc": "singleSelection"
+  };
+  // Note that the save and find-related commands aren't defined by
+  // default. User code or addons can define them. Unknown commands
+  // are simply ignored.
+  keyMap.pcDefault = {
+    "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
+    "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown",
+    "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
+    "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",
+    "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
+    "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
+    "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",
+    "fallthrough": "basic"
+  };
+  // Very basic readline/emacs-style bindings, which are standard on Mac.
+  keyMap.emacsy = {
+    "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
+    "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
+    "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
+    "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars",
+    "Ctrl-O": "openLine"
+  };
+  keyMap.macDefault = {
+    "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
+    "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",
+    "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore",
+    "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",
+    "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
+    "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",
+    "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",
+    "fallthrough": ["basic", "emacsy"]
+  };
+  keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
+
+  // KEYMAP DISPATCH
+
+  function normalizeKeyName(name) {
+    var parts = name.split(/-(?!$)/);
+    name = parts[parts.length - 1];
+    var alt, ctrl, shift, cmd;
+    for (var i = 0; i < parts.length - 1; i++) {
+      var mod = parts[i];
+      if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; }
+      else if (/^a(lt)?$/i.test(mod)) { alt = true; }
+      else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; }
+      else if (/^s(hift)?$/i.test(mod)) { shift = true; }
+      else { throw new Error("Unrecognized modifier name: " + mod) }
+    }
+    if (alt) { name = "Alt-" + name; }
+    if (ctrl) { name = "Ctrl-" + name; }
+    if (cmd) { name = "Cmd-" + name; }
+    if (shift) { name = "Shift-" + name; }
+    return name
+  }
+
+  // This is a kludge to keep keymaps mostly working as raw objects
+  // (backwards compatibility) while at the same time support features
+  // like normalization and multi-stroke key bindings. It compiles a
+  // new normalized keymap, and then updates the old object to reflect
+  // this.
+  function normalizeKeyMap(keymap) {
+    var copy = {};
+    for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) {
+      var value = keymap[keyname];
+      if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue }
+      if (value == "...") { delete keymap[keyname]; continue }
+
+      var keys = map(keyname.split(" "), normalizeKeyName);
+      for (var i = 0; i < keys.length; i++) {
+        var val = (void 0), name = (void 0);
+        if (i == keys.length - 1) {
+          name = keys.join(" ");
+          val = value;
+        } else {
+          name = keys.slice(0, i + 1).join(" ");
+          val = "...";
+        }
+        var prev = copy[name];
+        if (!prev) { copy[name] = val; }
+        else if (prev != val) { throw new Error("Inconsistent bindings for " + name) }
+      }
+      delete keymap[keyname];
+    } }
+    for (var prop in copy) { keymap[prop] = copy[prop]; }
+    return keymap
+  }
+
+  function lookupKey(key, map$$1, handle, context) {
+    map$$1 = getKeyMap(map$$1);
+    var found = map$$1.call ? map$$1.call(key, context) : map$$1[key];
+    if (found === false) { return "nothing" }
+    if (found === "...") { return "multi" }
+    if (found != null && handle(found)) { return "handled" }
+
+    if (map$$1.fallthrough) {
+      if (Object.prototype.toString.call(map$$1.fallthrough) != "[object Array]")
+        { return lookupKey(key, map$$1.fallthrough, handle, context) }
+      for (var i = 0; i < map$$1.fallthrough.length; i++) {
+        var result = lookupKey(key, map$$1.fallthrough[i], handle, context);
+        if (result) { return result }
+      }
+    }
+  }
+
+  // Modifier key presses don't count as 'real' key presses for the
+  // purpose of keymap fallthrough.
+  function isModifierKey(value) {
+    var name = typeof value == "string" ? value : keyNames[value.keyCode];
+    return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"
+  }
+
+  function addModifierNames(name, event, noShift) {
+    var base = name;
+    if (event.altKey && base != "Alt") { name = "Alt-" + name; }
+    if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name; }
+    if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") { name = "Cmd-" + name; }
+    if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name; }
+    return name
+  }
+
+  // Look up the name of a key as indicated by an event object.
+  function keyName(event, noShift) {
+    if (presto && event.keyCode == 34 && event["char"]) { return false }
+    var name = keyNames[event.keyCode];
+    if (name == null || event.altGraphKey) { return false }
+    // Ctrl-ScrollLock has keyCode 3, same as Ctrl-Pause,
+    // so we'll use event.code when available (Chrome 48+, FF 38+, Safari 10.1+)
+    if (event.keyCode == 3 && event.code) { name = event.code; }
+    return addModifierNames(name, event, noShift)
+  }
+
+  function getKeyMap(val) {
+    return typeof val == "string" ? keyMap[val] : val
+  }
+
+  // Helper for deleting text near the selection(s), used to implement
+  // backspace, delete, and similar functionality.
+  function deleteNearSelection(cm, compute) {
+    var ranges = cm.doc.sel.ranges, kill = [];
+    // Build up a set of ranges to kill first, merging overlapping
+    // ranges.
+    for (var i = 0; i < ranges.length; i++) {
+      var toKill = compute(ranges[i]);
+      while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {
+        var replaced = kill.pop();
+        if (cmp(replaced.from, toKill.from) < 0) {
+          toKill.from = replaced.from;
+          break
+        }
+      }
+      kill.push(toKill);
+    }
+    // Next, remove those actual ranges.
+    runInOp(cm, function () {
+      for (var i = kill.length - 1; i >= 0; i--)
+        { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); }
+      ensureCursorVisible(cm);
+    });
+  }
+
+  function moveCharLogically(line, ch, dir) {
+    var target = skipExtendingChars(line.text, ch + dir, dir);
+    return target < 0 || target > line.text.length ? null : target
+  }
+
+  function moveLogically(line, start, dir) {
+    var ch = moveCharLogically(line, start.ch, dir);
+    return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before")
+  }
+
+  function endOfLine(visually, cm, lineObj, lineNo, dir) {
+    if (visually) {
+      var order = getOrder(lineObj, cm.doc.direction);
+      if (order) {
+        var part = dir < 0 ? lst(order) : order[0];
+        var moveInStorageOrder = (dir < 0) == (part.level == 1);
+        var sticky = moveInStorageOrder ? "after" : "before";
+        var ch;
+        // With a wrapped rtl chunk (possibly spanning multiple bidi parts),
+        // it could be that the last bidi part is not on the last visual line,
+        // since visual lines contain content order-consecutive chunks.
+        // Thus, in rtl, we are looking for the first (content-order) character
+        // in the rtl chunk that is on the last line (that is, the same line
+        // as the last (content-order) character).
+        if (part.level > 0 || cm.doc.direction == "rtl") {
+          var prep = prepareMeasureForLine(cm, lineObj);
+          ch = dir < 0 ? lineObj.text.length - 1 : 0;
+          var targetTop = measureCharPrepared(cm, prep, ch).top;
+          ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch);
+          if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1); }
+        } else { ch = dir < 0 ? part.to : part.from; }
+        return new Pos(lineNo, ch, sticky)
+      }
+    }
+    return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after")
+  }
+
+  function moveVisually(cm, line, start, dir) {
+    var bidi = getOrder(line, cm.doc.direction);
+    if (!bidi) { return moveLogically(line, start, dir) }
+    if (start.ch >= line.text.length) {
+      start.ch = line.text.length;
+      start.sticky = "before";
+    } else if (start.ch <= 0) {
+      start.ch = 0;
+      start.sticky = "after";
+    }
+    var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos];
+    if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) {
+      // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines,
+      // nothing interesting happens.
+      return moveLogically(line, start, dir)
+    }
+
+    var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); };
+    var prep;
+    var getWrappedLineExtent = function (ch) {
+      if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} }
+      prep = prep || prepareMeasureForLine(cm, line);
+      return wrappedLineExtentChar(cm, line, prep, ch)
+    };
+    var wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch);
+
+    if (cm.doc.direction == "rtl" || part.level == 1) {
+      var moveInStorageOrder = (part.level == 1) == (dir < 0);
+      var ch = mv(start, moveInStorageOrder ? 1 : -1);
+      if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) {
+        // Case 2: We move within an rtl part or in an rtl editor on the same visual line
+        var sticky = moveInStorageOrder ? "before" : "after";
+        return new Pos(start.line, ch, sticky)
+      }
+    }
+
+    // Case 3: Could not move within this bidi part in this visual line, so leave
+    // the current bidi part
+
+    var searchInVisualLine = function (partPos, dir, wrappedLineExtent) {
+      var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder
+        ? new Pos(start.line, mv(ch, 1), "before")
+        : new Pos(start.line, ch, "after"); };
+
+      for (; partPos >= 0 && partPos < bidi.length; partPos += dir) {
+        var part = bidi[partPos];
+        var moveInStorageOrder = (dir > 0) == (part.level != 1);
+        var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1);
+        if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) }
+        ch = moveInStorageOrder ? part.from : mv(part.to, -1);
+        if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) }
+      }
+    };
+
+    // Case 3a: Look for other bidi parts on the same visual line
+    var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent);
+    if (res) { return res }
+
+    // Case 3b: Look for other bidi parts on the next visual line
+    var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1);
+    if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) {
+      res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh));
+      if (res) { return res }
+    }
+
+    // Case 4: Nowhere to move
+    return null
+  }
+
+  // Commands are parameter-less actions that can be performed on an
+  // editor, mostly used for keybindings.
+  var commands = {
+    selectAll: selectAll,
+    singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); },
+    killLine: function (cm) { return deleteNearSelection(cm, function (range) {
+      if (range.empty()) {
+        var len = getLine(cm.doc, range.head.line).text.length;
+        if (range.head.ch == len && range.head.line < cm.lastLine())
+          { return {from: range.head, to: Pos(range.head.line + 1, 0)} }
+        else
+          { return {from: range.head, to: Pos(range.head.line, len)} }
+      } else {
+        return {from: range.from(), to: range.to()}
+      }
+    }); },
+    deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({
+      from: Pos(range.from().line, 0),
+      to: clipPos(cm.doc, Pos(range.to().line + 1, 0))
+    }); }); },
+    delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({
+      from: Pos(range.from().line, 0), to: range.from()
+    }); }); },
+    delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) {
+      var top = cm.charCoords(range.head, "div").top + 5;
+      var leftPos = cm.coordsChar({left: 0, top: top}, "div");
+      return {from: leftPos, to: range.from()}
+    }); },
+    delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) {
+      var top = cm.charCoords(range.head, "div").top + 5;
+      var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
+      return {from: range.from(), to: rightPos }
+    }); },
+    undo: function (cm) { return cm.undo(); },
+    redo: function (cm) { return cm.redo(); },
+    undoSelection: function (cm) { return cm.undoSelection(); },
+    redoSelection: function (cm) { return cm.redoSelection(); },
+    goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); },
+    goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); },
+    goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); },
+      {origin: "+move", bias: 1}
+    ); },
+    goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); },
+      {origin: "+move", bias: 1}
+    ); },
+    goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); },
+      {origin: "+move", bias: -1}
+    ); },
+    goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) {
+      var top = cm.cursorCoords(range.head, "div").top + 5;
+      return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div")
+    }, sel_move); },
+    goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) {
+      var top = cm.cursorCoords(range.head, "div").top + 5;
+      return cm.coordsChar({left: 0, top: top}, "div")
+    }, sel_move); },
+    goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) {
+      var top = cm.cursorCoords(range.head, "div").top + 5;
+      var pos = cm.coordsChar({left: 0, top: top}, "div");
+      if (pos.ch < cm.getLine(pos.line).search(/\S/)) { return lineStartSmart(cm, range.head) }
+      return pos
+    }, sel_move); },
+    goLineUp: function (cm) { return cm.moveV(-1, "line"); },
+    goLineDown: function (cm) { return cm.moveV(1, "line"); },
+    goPageUp: function (cm) { return cm.moveV(-1, "page"); },
+    goPageDown: function (cm) { return cm.moveV(1, "page"); },
+    goCharLeft: function (cm) { return cm.moveH(-1, "char"); },
+    goCharRight: function (cm) { return cm.moveH(1, "char"); },
+    goColumnLeft: function (cm) { return cm.moveH(-1, "column"); },
+    goColumnRight: function (cm) { return cm.moveH(1, "column"); },
+    goWordLeft: function (cm) { return cm.moveH(-1, "word"); },
+    goGroupRight: function (cm) { return cm.moveH(1, "group"); },
+    goGroupLeft: function (cm) { return cm.moveH(-1, "group"); },
+    goWordRight: function (cm) { return cm.moveH(1, "word"); },
+    delCharBefore: function (cm) { return cm.deleteH(-1, "char"); },
+    delCharAfter: function (cm) { return cm.deleteH(1, "char"); },
+    delWordBefore: function (cm) { return cm.deleteH(-1, "word"); },
+    delWordAfter: function (cm) { return cm.deleteH(1, "word"); },
+    delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); },
+    delGroupAfter: function (cm) { return cm.deleteH(1, "group"); },
+    indentAuto: function (cm) { return cm.indentSelection("smart"); },
+    indentMore: function (cm) { return cm.indentSelection("add"); },
+    indentLess: function (cm) { return cm.indentSelection("subtract"); },
+    insertTab: function (cm) { return cm.replaceSelection("\t"); },
+    insertSoftTab: function (cm) {
+      var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;
+      for (var i = 0; i < ranges.length; i++) {
+        var pos = ranges[i].from();
+        var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);
+        spaces.push(spaceStr(tabSize - col % tabSize));
+      }
+      cm.replaceSelections(spaces);
+    },
+    defaultTab: function (cm) {
+      if (cm.somethingSelected()) { cm.indentSelection("add"); }
+      else { cm.execCommand("insertTab"); }
+    },
+    // Swap the two chars left and right of each selection's head.
+    // Move cursor behind the two swapped characters afterwards.
+    //
+    // Doesn't consider line feeds a character.
+    // Doesn't scan more than one line above to find a character.
+    // Doesn't do anything on an empty line.
+    // Doesn't do anything with non-empty selections.
+    transposeChars: function (cm) { return runInOp(cm, function () {
+      var ranges = cm.listSelections(), newSel = [];
+      for (var i = 0; i < ranges.length; i++) {
+        if (!ranges[i].empty()) { continue }
+        var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;
+        if (line) {
+          if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); }
+          if (cur.ch > 0) {
+            cur = new Pos(cur.line, cur.ch + 1);
+            cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),
+                            Pos(cur.line, cur.ch - 2), cur, "+transpose");
+          } else if (cur.line > cm.doc.first) {
+            var prev = getLine(cm.doc, cur.line - 1).text;
+            if (prev) {
+              cur = new Pos(cur.line, 1);
+              cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() +
+                              prev.charAt(prev.length - 1),
+                              Pos(cur.line - 1, prev.length - 1), cur, "+transpose");
+            }
+          }
+        }
+        newSel.push(new Range(cur, cur));
+      }
+      cm.setSelections(newSel);
+    }); },
+    newlineAndIndent: function (cm) { return runInOp(cm, function () {
+      var sels = cm.listSelections();
+      for (var i = sels.length - 1; i >= 0; i--)
+        { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input"); }
+      sels = cm.listSelections();
+      for (var i$1 = 0; i$1 < sels.length; i$1++)
+        { cm.indentLine(sels[i$1].from().line, null, true); }
+      ensureCursorVisible(cm);
+    }); },
+    openLine: function (cm) { return cm.replaceSelection("\n", "start"); },
+    toggleOverwrite: function (cm) { return cm.toggleOverwrite(); }
+  };
+
 
   function lineStart(cm, lineN) {
     var line = getLine(cm.doc, lineN);
     var visual = visualLine(line);
-    if (visual != line) lineN = lineNo(visual);
-    var order = getOrder(visual);
-    var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual);
-    return Pos(lineN, ch);
+    if (visual != line) { lineN = lineNo(visual); }
+    return endOfLine(true, cm, visual, lineN, 1)
   }
   function lineEnd(cm, lineN) {
-    var merged, line = getLine(cm.doc, lineN);
-    while (merged = collapsedSpanAtEnd(line)) {
-      line = merged.find(1, true).line;
-      lineN = null;
-    }
-    var order = getOrder(line);
-    var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line);
-    return Pos(lineN == null ? lineNo(line) : lineN, ch);
+    var line = getLine(cm.doc, lineN);
+    var visual = visualLineEnd(line);
+    if (visual != line) { lineN = lineNo(visual); }
+    return endOfLine(true, cm, line, lineN, -1)
   }
   function lineStartSmart(cm, pos) {
     var start = lineStart(cm, pos.line);
     var line = getLine(cm.doc, start.line);
-    var order = getOrder(line);
+    var order = getOrder(line, cm.doc.direction);
     if (!order || order[0].level == 0) {
       var firstNonWS = Math.max(0, line.text.search(/\S/));
       var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch;
-      return Pos(start.line, inWS ? 0 : firstNonWS);
-    }
-    return start;
-  }
-
-  function compareBidiLevel(order, a, b) {
-    var linedir = order[0].level;
-    if (a == linedir) return true;
-    if (b == linedir) return false;
-    return a < b;
-  }
-  var bidiOther;
-  function getBidiPartAt(order, pos) {
-    bidiOther = null;
-    for (var i = 0, found; i < order.length; ++i) {
-      var cur = order[i];
-      if (cur.from < pos && cur.to > pos) return i;
-      if ((cur.from == pos || cur.to == pos)) {
-        if (found == null) {
-          found = i;
-        } else if (compareBidiLevel(order, cur.level, order[found].level)) {
-          if (cur.from != cur.to) bidiOther = found;
-          return i;
-        } else {
-          if (cur.from != cur.to) bidiOther = i;
-          return found;
-        }
-      }
-    }
-    return found;
-  }
-
-  function moveInLine(line, pos, dir, byUnit) {
-    if (!byUnit) return pos + dir;
-    do pos += dir;
-    while (pos > 0 && isExtendingChar(line.text.charAt(pos)));
-    return pos;
-  }
-
-  // This is needed in order to move 'visually' through bi-directional
-  // text -- i.e., pressing left should make the cursor go left, even
-  // when in RTL text. The tricky part is the 'jumps', where RTL and
-  // LTR text touch each other. This often requires the cursor offset
-  // to move more than one unit, in order to visually move one unit.
-  function moveVisually(line, start, dir, byUnit) {
-    var bidi = getOrder(line);
-    if (!bidi) return moveLogically(line, start, dir, byUnit);
-    var pos = getBidiPartAt(bidi, start), part = bidi[pos];
-    var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit);
-
-    for (;;) {
-      if (target > part.from && target < part.to) return target;
-      if (target == part.from || target == part.to) {
-        if (getBidiPartAt(bidi, target) == pos) return target;
-        part = bidi[pos += dir];
-        return (dir > 0) == part.level % 2 ? part.to : part.from;
-      } else {
-        part = bidi[pos += dir];
-        if (!part) return null;
-        if ((dir > 0) == part.level % 2)
-          target = moveInLine(line, part.to, -1, byUnit);
+      return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky)
+    }
+    return start
+  }
+
+  // Run a handler that was bound to a key.
+  function doHandleBinding(cm, bound, dropShift) {
+    if (typeof bound == "string") {
+      bound = commands[bound];
+      if (!bound) { return false }
+    }
+    // Ensure previous input has been read, so that the handler sees a
+    // consistent view of the document
+    cm.display.input.ensurePolled();
+    var prevShift = cm.display.shift, done = false;
+    try {
+      if (cm.isReadOnly()) { cm.state.suppressEdits = true; }
+      if (dropShift) { cm.display.shift = false; }
+      done = bound(cm) != Pass;
+    } finally {
+      cm.display.shift = prevShift;
+      cm.state.suppressEdits = false;
+    }
+    return done
+  }
+
+  function lookupKeyForEditor(cm, name, handle) {
+    for (var i = 0; i < cm.state.keyMaps.length; i++) {
+      var result = lookupKey(name, cm.state.keyMaps[i], handle, cm);
+      if (result) { return result }
+    }
+    return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))
+      || lookupKey(name, cm.options.keyMap, handle, cm)
+  }
+
+  // Note that, despite the name, this function is also used to check
+  // for bound mouse clicks.
+
+  var stopSeq = new Delayed;
+
+  function dispatchKey(cm, name, e, handle) {
+    var seq = cm.state.keySeq;
+    if (seq) {
+      if (isModifierKey(name)) { return "handled" }
+      if (/\'$/.test(name))
+        { cm.state.keySeq = null; }
+      else
+        { stopSeq.set(50, function () {
+          if (cm.state.keySeq == seq) {
+            cm.state.keySeq = null;
+            cm.display.input.reset();
+          }
+        }); }
+      if (dispatchKeyInner(cm, seq + " " + name, e, handle)) { return true }
+    }
+    return dispatchKeyInner(cm, name, e, handle)
+  }
+
+  function dispatchKeyInner(cm, name, e, handle) {
+    var result = lookupKeyForEditor(cm, name, handle);
+
+    if (result == "multi")
+      { cm.state.keySeq = name; }
+    if (result == "handled")
+      { signalLater(cm, "keyHandled", cm, name, e); }
+
+    if (result == "handled" || result == "multi") {
+      e_preventDefault(e);
+      restartBlink(cm);
+    }
+
+    return !!result
+  }
+
+  // Handle a key from the keydown event.
+  function handleKeyBinding(cm, e) {
+    var name = keyName(e, true);
+    if (!name) { return false }
+
+    if (e.shiftKey && !cm.state.keySeq) {
+      // First try to resolve full name (including 'Shift-'). Failing
+      // that, see if there is a cursor-motion command (starting with
+      // 'go') bound to the keyname without 'Shift-'.
+      return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); })
+          || dispatchKey(cm, name, e, function (b) {
+               if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
+                 { return doHandleBinding(cm, b) }
+             })
+    } else {
+      return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); })
+    }
+  }
+
+  // Handle a key from the keypress event
+  function handleCharBinding(cm, e, ch) {
+    return dispatchKey(cm, "'" + ch + "'", e, function (b) { return doHandleBinding(cm, b, true); })
+  }
+
+  var lastStoppedKey = null;
+  function onKeyDown(e) {
+    var cm = this;
+    cm.curOp.focus = activeElt();
+    if (signalDOMEvent(cm, e)) { return }
+    // IE does strange things with escape.
+    if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; }
+    var code = e.keyCode;
+    cm.display.shift = code == 16 || e.shiftKey;
+    var handled = handleKeyBinding(cm, e);
+    if (presto) {
+      lastStoppedKey = handled ? code : null;
+      // Opera has no cut event... we try to at least catch the key combo
+      if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
+        { cm.replaceSelection("", null, "cut"); }
+    }
+
+    // Turn mouse into crosshair when Alt is held on Mac.
+    if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className))
+      { showCrossHair(cm); }
+  }
+
+  function showCrossHair(cm) {
+    var lineDiv = cm.display.lineDiv;
+    addClass(lineDiv, "CodeMirror-crosshair");
+
+    function up(e) {
+      if (e.keyCode == 18 || !e.altKey) {
+        rmClass(lineDiv, "CodeMirror-crosshair");
+        off(document, "keyup", up);
+        off(document, "mouseover", up);
+      }
+    }
+    on(document, "keyup", up);
+    on(document, "mouseover", up);
+  }
+
+  function onKeyUp(e) {
+    if (e.keyCode == 16) { this.doc.sel.shift = false; }
+    signalDOMEvent(this, e);
+  }
+
+  function onKeyPress(e) {
+    var cm = this;
+    if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return }
+    var keyCode = e.keyCode, charCode = e.charCode;
+    if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return}
+    if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return }
+    var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
+    // Some browsers fire keypress events for backspace
+    if (ch == "\x08") { return }
+    if (handleCharBinding(cm, e, ch)) { return }
+    cm.display.input.onKeyPress(e);
+  }
+
+  var DOUBLECLICK_DELAY = 400;
+
+  var PastClick = function(time, pos, button) {
+    this.time = time;
+    this.pos = pos;
+    this.button = button;
+  };
+
+  PastClick.prototype.compare = function (time, pos, button) {
+    return this.time + DOUBLECLICK_DELAY > time &&
+      cmp(pos, this.pos) == 0 && button == this.button
+  };
+
+  var lastClick, lastDoubleClick;
+  function clickRepeat(pos, button) {
+    var now = +new Date;
+    if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) {
+      lastClick = lastDoubleClick = null;
+      return "triple"
+    } else if (lastClick && lastClick.compare(now, pos, button)) {
+      lastDoubleClick = new PastClick(now, pos, button);
+      lastClick = null;
+      return "double"
+    } else {
+      lastClick = new PastClick(now, pos, button);
+      lastDoubleClick = null;
+      return "single"
+    }
+  }
+
+  // A mouse down can be a single click, double click, triple click,
+  // start of selection drag, start of text drag, new cursor
+  // (ctrl-click), rectangle drag (alt-drag), or xwin
+  // middle-click-paste. Or it might be a click on something we should
+  // not interfere with, such as a scrollbar or widget.
+  function onMouseDown(e) {
+    var cm = this, display = cm.display;
+    if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return }
+    display.input.ensurePolled();
+    display.shift = e.shiftKey;
+
+    if (eventInWidget(display, e)) {
+      if (!webkit) {
+        // Briefly turn off draggability, to allow widgets to do
+        // normal dragging things.
+        display.scroller.draggable = false;
+        setTimeout(function () { return display.scroller.draggable = true; }, 100);
+      }
+      return
+    }
+    if (clickInGutter(cm, e)) { return }
+    var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : "single";
+    window.focus();
+
+    // #3261: make sure, that we're not starting a second selection
+    if (button == 1 && cm.state.selectingText)
+      { cm.state.selectingText(e); }
+
+    if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return }
+
+    if (button == 1) {
+      if (pos) { leftButtonDown(cm, pos, repeat, e); }
+      else if (e_target(e) == display.scroller) { e_preventDefault(e); }
+    } else if (button == 2) {
+      if (pos) { extendSelection(cm.doc, pos); }
+      setTimeout(function () { return display.input.focus(); }, 20);
+    } else if (button == 3) {
+      if (captureRightClick) { cm.display.input.onContextMenu(e); }
+      else { delayBlurEvent(cm); }
+    }
+  }
+
+  function handleMappedButton(cm, button, pos, repeat, event) {
+    var name = "Click";
+    if (repeat == "double") { name = "Double" + name; }
+    else if (repeat == "triple") { name = "Triple" + name; }
+    name = (button == 1 ? "Left" : button == 2 ? "Middle" : "Right") + name;
+
+    return dispatchKey(cm,  addModifierNames(name, event), event, function (bound) {
+      if (typeof bound == "string") { bound = commands[bound]; }
+      if (!bound) { return false }
+      var done = false;
+      try {
+        if (cm.isReadOnly()) { cm.state.suppressEdits = true; }
+        done = bound(cm, pos) != Pass;
+      } finally {
+        cm.state.suppressEdits = false;
+      }
+      return done
+    })
+  }
+
+  function configureMouse(cm, repeat, event) {
+    var option = cm.getOption("configureMouse");
+    var value = option ? option(cm, repeat, event) : {};
+    if (value.unit == null) {
+      var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey;
+      value.unit = rect ? "rectangle" : repeat == "single" ? "char" : repeat == "double" ? "word" : "line";
+    }
+    if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; }
+    if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; }
+    if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); }
+    return value
+  }
+
+  function leftButtonDown(cm, pos, repeat, event) {
+    if (ie) { setTimeout(bind(ensureFocus, cm), 0); }
+    else { cm.curOp.focus = activeElt(); }
+
+    var behavior = configureMouse(cm, repeat, event);
+
+    var sel = cm.doc.sel, contained;
+    if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() &&
+        repeat == "single" && (contained = sel.contains(pos)) > -1 &&
+        (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) &&
+        (cmp(contained.to(), pos) > 0 || pos.xRel < 0))
+      { leftButtonStartDrag(cm, event, pos, behavior); }
+    else
+      { leftButtonSelect(cm, event, pos, behavior); }
+  }
+
+  // Start a text drag. When it ends, see if any dragging actually
+  // happen, and treat as a click if it didn't.
+  function leftButtonStartDrag(cm, event, pos, behavior) {
+    var display = cm.display, moved = false;
+    var dragEnd = operation(cm, function (e) {
+      if (webkit) { display.scroller.draggable = false; }
+      cm.state.draggingText = false;
+      off(display.wrapper.ownerDocument, "mouseup", dragEnd);
+      off(display.wrapper.ownerDocument, "mousemove", mouseMove);
+      off(display.scroller, "dragstart", dragStart);
+      off(display.scroller, "drop", dragEnd);
+      if (!moved) {
+        e_preventDefault(e);
+        if (!behavior.addNew)
+          { extendSelection(cm.doc, pos, null, null, behavior.extend); }
+        // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)
+        if (webkit || ie && ie_version == 9)
+          { setTimeout(function () {display.wrapper.ownerDocument.body.focus(); display.input.focus();}, 20); }
         else
-          target = moveInLine(line, part.from, 1, byUnit);
-      }
-    }
-  }
-
-  function moveLogically(line, start, dir, byUnit) {
-    var target = start + dir;
-    if (byUnit) while (target > 0 && isExtendingChar(line.text.charAt(target))) target += dir;
-    return target < 0 || target > line.text.length ? null : target;
-  }
-
-  // Bidirectional ordering algorithm
-  // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
-  // that this (partially) implements.
-
-  // One-char codes used for character types:
-  // L (L):   Left-to-Right
-  // R (R):   Right-to-Left
-  // r (AL):  Right-to-Left Arabic
-  // 1 (EN):  European Number
-  // + (ES):  European Number Separator
-  // % (ET):  European Number Terminator
-  // n (AN):  Arabic Number
-  // , (CS):  Common Number Separator
-  // m (NSM): Non-Spacing Mark
-  // b (BN):  Boundary Neutral
-  // s (B):   Paragraph Separator
-  // t (S):   Segment Separator
-  // w (WS):  Whitespace
-  // N (ON):  Other Neutrals
-
-  // Returns null if characters are ordered as they appear
-  // (left-to-right), or an array of sections ({from, to, level}
-  // objects) in the order in which they occur visually.
-  var bidiOrdering = (function() {
-    // Character types for codepoints 0 to 0xff
-    var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";
-    // Character types for codepoints 0x600 to 0x6ff
-    var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmm";
-    function charType(code) {
-      if (code <= 0xf7) return lowTypes.charAt(code);
-      else if (0x590 <= code && code <= 0x5f4) return "R";
-      else if (0x600 <= code && code <= 0x6ed) return arabicTypes.charAt(code - 0x600);
-      else if (0x6ee <= code && code <= 0x8ac) return "r";
-      else if (0x2000 <= code && code <= 0x200b) return "w";
-      else if (code == 0x200c) return "b";
-      else return "L";
-    }
-
-    var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
-    var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
-    // Browsers seem to always treat the boundaries of block elements as being L.
-    var outerType = "L";
-
-    function BidiSpan(level, from, to) {
-      this.level = level;
-      this.from = from; this.to = to;
-    }
-
-    return function(str) {
-      if (!bidiRE.test(str)) return false;
-      var len = str.length, types = [];
-      for (var i = 0, type; i < len; ++i)
-        types.push(type = charType(str.charCodeAt(i)));
-
-      // W1. Examine each non-spacing mark (NSM) in the level run, and
-      // change the type of the NSM to the type of the previous
-      // character. If the NSM is at the start of the level run, it will
-      // get the type of sor.
-      for (var i = 0, prev = outerType; i < len; ++i) {
-        var type = types[i];
-        if (type == "m") types[i] = prev;
-        else prev = type;
-      }
-
-      // W2. Search backwards from each instance of a European number
-      // until the first strong type (R, L, AL, or sor) is found. If an
-      // AL is found, change the type of the European number to Arabic
-      // number.
-      // W3. Change all ALs to R.
-      for (var i = 0, cur = outerType; i < len; ++i) {
-        var type = types[i];
-        if (type == "1" && cur == "r") types[i] = "n";
-        else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; }
-      }
-
-      // W4. A single European separator between two European numbers
-      // changes to a European number. A single common separator between
-      // two numbers of the same type changes to that type.
-      for (var i = 1, prev = types[0]; i < len - 1; ++i) {
-        var type = types[i];
-        if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1";
-        else if (type == "," && prev == types[i+1] &&
-                 (prev == "1" || prev == "n")) types[i] = prev;
-        prev = type;
-      }
-
-      // W5. A sequence of European terminators adjacent to European
-      // numbers changes to all European numbers.
-      // W6. Otherwise, separators and terminators change to Other
-      // Neutral.
-      for (var i = 0; i < len; ++i) {
-        var type = types[i];
-        if (type == ",") types[i] = "N";
-        else if (type == "%") {
-          for (var end = i + 1; end < len && types[end] == "%"; ++end) {}
-          var replace = (i && types[i-1] == "!") || (end < len && types[end] == "1") ? "1" : "N";
-          for (var j = i; j < end; ++j) types[j] = replace;
-          i = end - 1;
+          { display.input.focus(); }
+      }
+    });
+    var mouseMove = function(e2) {
+      moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10;
+    };
+    var dragStart = function () { return moved = true; };
+    // Let the drag handler handle this.
+    if (webkit) { display.scroller.draggable = true; }
+    cm.state.draggingText = dragEnd;
+    dragEnd.copy = !behavior.moveOnDrag;
+    // IE's approach to draggable
+    if (display.scroller.dragDrop) { display.scroller.dragDrop(); }
+    on(display.wrapper.ownerDocument, "mouseup", dragEnd);
+    on(display.wrapper.ownerDocument, "mousemove", mouseMove);
+    on(display.scroller, "dragstart", dragStart);
+    on(display.scroller, "drop", dragEnd);
+
+    delayBlurEvent(cm);
+    setTimeout(function () { return display.input.focus(); }, 20);
+  }
+
+  function rangeForUnit(cm, pos, unit) {
+    if (unit == "char") { return new Range(pos, pos) }
+    if (unit == "word") { return cm.findWordAt(pos) }
+    if (unit == "line") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) }
+    var result = unit(cm, pos);
+    return new Range(result.from, result.to)
+  }
+
+  // Normal selection, as opposed to text dragging.
+  function leftButtonSelect(cm, event, start, behavior) {
+    var display = cm.display, doc = cm.doc;
+    e_preventDefault(event);
+
+    var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges;
+    if (behavior.addNew && !behavior.extend) {
+      ourIndex = doc.sel.contains(start);
+      if (ourIndex > -1)
+        { ourRange = ranges[ourIndex]; }
+      else
+        { ourRange = new Range(start, start); }
+    } else {
+      ourRange = doc.sel.primary();
+      ourIndex = doc.sel.primIndex;
+    }
+
+    if (behavior.unit == "rectangle") {
+      if (!behavior.addNew) { ourRange = new Range(start, start); }
+      start = posFromMouse(cm, event, true, true);
+      ourIndex = -1;
+    } else {
+      var range$$1 = rangeForUnit(cm, start, behavior.unit);
+      if (behavior.extend)
+        { ourRange = extendRange(ourRange, range$$1.anchor, range$$1.head, behavior.extend); }
+      else
+        { ourRange = range$$1; }
+    }
+
+    if (!behavior.addNew) {
+      ourIndex = 0;
+      setSelection(doc, new Selection([ourRange], 0), sel_mouse);
+      startSel = doc.sel;
+    } else if (ourIndex == -1) {
+      ourIndex = ranges.length;
+      setSelection(doc, normalizeSelection(cm, ranges.concat([ourRange]), ourIndex),
+                   {scroll: false, origin: "*mouse"});
+    } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) {
+      setSelection(doc, normalizeSelection(cm, ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),
+                   {scroll: false, origin: "*mouse"});
+      startSel = doc.sel;
+    } else {
+      replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);
+    }
+
+    var lastPos = start;
+    function extendTo(pos) {
+      if (cmp(lastPos, pos) == 0) { return }
+      lastPos = pos;
+
+      if (behavior.unit == "rectangle") {
+        var ranges = [], tabSize = cm.options.tabSize;
+        var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);
+        var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);
+        var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);
+        for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));
+             line <= end; line++) {
+          var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);
+          if (left == right)
+            { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); }
+          else if (text.length > leftPos)
+            { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); }
+        }
+        if (!ranges.length) { ranges.push(new Range(start, start)); }
+        setSelection(doc, normalizeSelection(cm, startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),
+                     {origin: "*mouse", scroll: false});
+        cm.scrollIntoView(pos);
+      } else {
+        var oldRange = ourRange;
+        var range$$1 = rangeForUnit(cm, pos, behavior.unit);
+        var anchor = oldRange.anchor, head;
+        if (cmp(range$$1.anchor, anchor) > 0) {
+          head = range$$1.head;
+          anchor = minPos(oldRange.from(), range$$1.anchor);
+        } else {
+          head = range$$1.anchor;
+          anchor = maxPos(oldRange.to(), range$$1.head);
+        }
+        var ranges$1 = startSel.ranges.slice(0);
+        ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head));
+        setSelection(doc, normalizeSelection(cm, ranges$1, ourIndex), sel_mouse);
+      }
+    }
+
+    var editorSize = display.wrapper.getBoundingClientRect();
+    // Used to ensure timeout re-tries don't fire when another extend
+    // happened in the meantime (clearTimeout isn't reliable -- at
+    // least on Chrome, the timeouts still happen even when cleared,
+    // if the clear happens after their scheduled firing time).
+    var counter = 0;
+
+    function extend(e) {
+      var curCount = ++counter;
+      var cur = posFromMouse(cm, e, true, behavior.unit == "rectangle");
+      if (!cur) { return }
+      if (cmp(cur, lastPos) != 0) {
+        cm.curOp.focus = activeElt();
+        extendTo(cur);
+        var visible = visibleLines(display, doc);
+        if (cur.line >= visible.to || cur.line < visible.from)
+          { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); }
+      } else {
+        var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
+        if (outside) { setTimeout(operation(cm, function () {
+          if (counter != curCount) { return }
+          display.scroller.scrollTop += outside;
+          extend(e);
+        }), 50); }
+      }
+    }
+
+    function done(e) {
+      cm.state.selectingText = false;
+      counter = Infinity;
+      // If e is null or undefined we interpret this as someone trying
+      // to explicitly cancel the selection rather than the user
+      // letting go of the mouse button.
+      if (e) {
+        e_preventDefault(e);
+        display.input.focus();
+      }
+      off(display.wrapper.ownerDocument, "mousemove", move);
+      off(display.wrapper.ownerDocument, "mouseup", up);
+      doc.history.lastSelOrigin = null;
+    }
+
+    var move = operation(cm, function (e) {
+      if (e.buttons === 0 || !e_button(e)) { done(e); }
+      else { extend(e); }
+    });
+    var up = operation(cm, done);
+    cm.state.selectingText = up;
+    on(display.wrapper.ownerDocument, "mousemove", move);
+    on(display.wrapper.ownerDocument, "mouseup", up);
+  }
+
+  // Used when mouse-selecting to adjust the anchor to the proper side
+  // of a bidi jump depending on the visual position of the head.
+  function bidiSimplify(cm, range$$1) {
+    var anchor = range$$1.anchor;
+    var head = range$$1.head;
+    var anchorLine = getLine(cm.doc, anchor.line);
+    if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range$$1 }
+    var order = getOrder(anchorLine);
+    if (!order) { return range$$1 }
+    var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index];
+    if (part.from != anchor.ch && part.to != anchor.ch) { return range$$1 }
+    var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1);
+    if (boundary == 0 || boundary == order.length) { return range$$1 }
+
+    // Compute the relative visual position of the head compared to the
+    // anchor (<0 is to the left, >0 to the right)
+    var leftSide;
+    if (head.line != anchor.line) {
+      leftSide = (head.line - anchor.line) * (cm.doc.direction == "ltr" ? 1 : -1) > 0;
+    } else {
+      var headIndex = getBidiPartAt(order, head.ch, head.sticky);
+      var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1);
+      if (headIndex == boundary - 1 || headIndex == boundary)
+        { leftSide = dir < 0; }
+      else
+        { leftSide = dir > 0; }
+    }
+
+    var usePart = order[boundary + (leftSide ? -1 : 0)];
+    var from = leftSide == (usePart.level == 1);
+    var ch = from ? usePart.from : usePart.to, sticky = from ? "after" : "before";
+    return anchor.ch == ch && anchor.sticky == sticky ? range$$1 : new Range(new Pos(anchor.line, ch, sticky), head)
+  }
+
+
+  // Determines whether an event happened in the gutter, and fires the
+  // handlers for the corresponding event.
+  function gutterEvent(cm, e, type, prevent) {
+    var mX, mY;
+    if (e.touches) {
+      mX = e.touches[0].clientX;
+      mY = e.touches[0].clientY;
+    } else {
+      try { mX = e.clientX; mY = e.clientY; }
+      catch(e) { return false }
+    }
+    if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false }
+    if (prevent) { e_preventDefault(e); }
+
+    var display = cm.display;
+    var lineBox = display.lineDiv.getBoundingClientRect();
+
+    if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) }
+    mY -= lineBox.top - display.viewOffset;
+
+    for (var i = 0; i < cm.display.gutterSpecs.length; ++i) {
+      var g = display.gutters.childNodes[i];
+      if (g && g.getBoundingClientRect().right >= mX) {
+        var line = lineAtHeight(cm.doc, mY);
+        var gutter = cm.display.gutterSpecs[i];
+        signal(cm, type, cm, line, gutter.className, e);
+        return e_defaultPrevented(e)
+      }
+    }
+  }
+
+  function clickInGutter(cm, e) {
+    return gutterEvent(cm, e, "gutterClick", true)
+  }
+
+  // CONTEXT MENU HANDLING
+
+  // To make the context menu work, we need to briefly unhide the
+  // textarea (making it as unobtrusive as possible) to let the
+  // right-click take effect on it.
+  function onContextMenu(cm, e) {
+    if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return }
+    if (signalDOMEvent(cm, e, "contextmenu")) { return }
+    if (!captureRightClick) { cm.display.input.onContextMenu(e); }
+  }
+
+  function contextMenuInGutter(cm, e) {
+    if (!hasHandler(cm, "gutterContextMenu")) { return false }
+    return gutterEvent(cm, e, "gutterContextMenu", false)
+  }
+
+  function themeChanged(cm) {
+    cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
+      cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
+    clearCaches(cm);
+  }
+
+  var Init = {toString: function(){return "CodeMirror.Init"}};
+
+  var defaults = {};
+  var optionHandlers = {};
+
+  function defineOptions(CodeMirror) {
+    var optionHandlers = CodeMirror.optionHandlers;
+
+    function option(name, deflt, handle, notOnInit) {
+      CodeMirror.defaults[name] = deflt;
+      if (handle) { optionHandlers[name] =
+        notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; }
+    }
+
+    CodeMirror.defineOption = option;
+
+    // Passed to option handlers when there is no old value.
+    CodeMirror.Init = Init;
+
+    // These two are, on init, called from the constructor because they
+    // have to be initialized before the editor can start at all.
+    option("value", "", function (cm, val) { return cm.setValue(val); }, true);
+    option("mode", null, function (cm, val) {
+      cm.doc.modeOption = val;
+      loadMode(cm);
+    }, true);
+
+    option("indentUnit", 2, loadMode, true);
+    option("indentWithTabs", false);
+    option("smartIndent", true);
+    option("tabSize", 4, function (cm) {
+      resetModeState(cm);
+      clearCaches(cm);
+      regChange(cm);
+    }, true);
+
+    option("lineSeparator", null, function (cm, val) {
+      cm.doc.lineSep = val;
+      if (!val) { return }
+      var newBreaks = [], lineNo = cm.doc.first;
+      cm.doc.iter(function (line) {
+        for (var pos = 0;;) {
+          var found = line.text.indexOf(val, pos);
+          if (found == -1) { break }
+          pos = found + val.length;
+          newBreaks.push(Pos(lineNo, found));
+        }
+        lineNo++;
+      });
+      for (var i = newBreaks.length - 1; i >= 0; i--)
+        { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); }
+    });
+    option("specialChars", /[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b-\u200f\u2028\u2029\ufeff\ufff9-\ufffc]/g, function (cm, val, old) {
+      cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g");
+      if (old != Init) { cm.refresh(); }
+    });
+    option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true);
+    option("electricChars", true);
+    option("inputStyle", mobile ? "contenteditable" : "textarea", function () {
+      throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME
+    }, true);
+    option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true);
+    option("autocorrect", false, function (cm, val) { return cm.getInputField().autocorrect = val; }, true);
+    option("autocapitalize", false, function (cm, val) { return cm.getInputField().autocapitalize = val; }, true);
+    option("rtlMoveVisually", !windows);
+    option("wholeLineUpdateBefore", true);
+
+    option("theme", "default", function (cm) {
+      themeChanged(cm);
+      updateGutters(cm);
+    }, true);
+    option("keyMap", "default", function (cm, val, old) {
+      var next = getKeyMap(val);
+      var prev = old != Init && getKeyMap(old);
+      if (prev && prev.detach) { prev.detach(cm, next); }
+      if (next.attach) { next.attach(cm, prev || null); }
+    });
+    option("extraKeys", null);
+    option("configureMouse", null);
+
+    option("lineWrapping", false, wrappingChanged, true);
+    option("gutters", [], function (cm, val) {
+      cm.display.gutterSpecs = getGutters(val, cm.options.lineNumbers);
+      updateGutters(cm);
+    }, true);
+    option("fixedGutter", true, function (cm, val) {
+      cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";
+      cm.refresh();
+    }, true);
+    option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true);
+    option("scrollbarStyle", "native", function (cm) {
+      initScrollbars(cm);
+      updateScrollbars(cm);
+      cm.display.scrollbars.setScrollTop(cm.doc.scrollTop);
+      cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft);
+    }, true);
+    option("lineNumbers", false, function (cm, val) {
+      cm.display.gutterSpecs = getGutters(cm.options.gutters, val);
+      updateGutters(cm);
+    }, true);
+    option("firstLineNumber", 1, updateGutters, true);
+    option("lineNumberFormatter", function (integer) { return integer; }, updateGutters, true);
+    option("showCursorWhenSelecting", false, updateSelection, true);
+
+    option("resetSelectionOnContextMenu", true);
+    option("lineWiseCopyCut", true);
+    option("pasteLinesPerSelection", true);
+    option("selectionsMayTouch", false);
+
+    option("readOnly", false, function (cm, val) {
+      if (val == "nocursor") {
+        onBlur(cm);
+        cm.display.input.blur();
+      }
+      cm.display.input.readOnlyChanged(val);
+    });
+    option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true);
+    option("dragDrop", true, dragDropChanged);
+    option("allowDropFileTypes", null);
+
+    option("cursorBlinkRate", 530);
+    option("cursorScrollMargin", 0);
+    option("cursorHeight", 1, updateSelection, true);
+    option("singleCursorHeightPerLine", true, updateSelection, true);
+    option("workTime", 100);
+    option("workDelay", 100);
+    option("flattenSpans", true, resetModeState, true);
+    option("addModeClass", false, resetModeState, true);
+    option("pollInterval", 100);
+    option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; });
+    option("historyEventDelay", 1250);
+    option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true);
+    option("maxHighlightLength", 10000, resetModeState, true);
+    option("moveInputWithCursor", true, function (cm, val) {
+      if (!val) { cm.display.input.resetPosition(); }
+    });
+
+    option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; });
+    option("autofocus", null);
+    option("direction", "ltr", function (cm, val) { return cm.doc.setDirection(val); }, true);
+    option("phrases", null);
+  }
+
+  function dragDropChanged(cm, value, old) {
+    var wasOn = old && old != Init;
+    if (!value != !wasOn) {
+      var funcs = cm.display.dragFunctions;
+      var toggle = value ? on : off;
+      toggle(cm.display.scroller, "dragstart", funcs.start);
+      toggle(cm.display.scroller, "dragenter", funcs.enter);
+      toggle(cm.display.scroller, "dragover", funcs.over);
+      toggle(cm.display.scroller, "dragleave", funcs.leave);
+      toggle(cm.display.scroller, "drop", funcs.drop);
+    }
+  }
+
+  function wrappingChanged(cm) {
+    if (cm.options.lineWrapping) {
+      addClass(cm.display.wrapper, "CodeMirror-wrap");
+      cm.display.sizer.style.minWidth = "";
+      cm.display.sizerWidth = null;
+    } else {
+      rmClass(cm.display.wrapper, "CodeMirror-wrap");
+      findMaxLine(cm);
+    }
+    estimateLineHeights(cm);
+    regChange(cm);
+    clearCaches(cm);
+    setTimeout(function () { return updateScrollbars(cm); }, 100);
+  }
+
+  // A CodeMirror instance represents an editor. This is the object
+  // that user code is usually dealing with.
+
+  function CodeMirror(place, options) {
+    var this$1 = this;
+
+    if (!(this instanceof CodeMirror)) { return new CodeMirror(place, options) }
+
+    this.options = options = options ? copyObj(options) : {};
+    // Determine effective options based on given values and defaults.
+    copyObj(defaults, options, false);
+
+    var doc = options.value;
+    if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); }
+    else if (options.mode) { doc.modeOption = options.mode; }
+    this.doc = doc;
+
+    var input = new CodeMirror.inputStyles[options.inputStyle](this);
+    var display = this.display = new Display(place, doc, input, options);
+    display.wrapper.CodeMirror = this;
+    themeChanged(this);
+    if (options.lineWrapping)
+      { this.display.wrapper.className += " CodeMirror-wrap"; }
+    initScrollbars(this);
+
+    this.state = {
+      keyMaps: [],  // stores maps added by addKeyMap
+      overlays: [], // highlighting overlays, as added by addOverlay
+      modeGen: 0,   // bumped when mode/overlay changes, used to invalidate highlighting info
+      overwrite: false,
+      delayingBlurEvent: false,
+      focused: false,
+      suppressEdits: false, // used to disable editing during key handlers when in readOnly mode
+      pasteIncoming: -1, cutIncoming: -1, // help recognize paste/cut edits in input.poll
+      selectingText: false,
+      draggingText: false,
+      highlight: new Delayed(), // stores highlight worker timeout
+      keySeq: null,  // Unfinished key sequence
+      specialChars: null
+    };
+
+    if (options.autofocus && !mobile) { display.input.focus(); }
+
+    // Override magic textarea content restore that IE sometimes does
+    // on our hidden textarea on reload
+    if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20); }
+
+    registerEventHandlers(this);
+    ensureGlobalHandlers();
+
+    startOperation(this);
+    this.curOp.forceUpdate = true;
+    attachDoc(this, doc);
+
+    if ((options.autofocus && !mobile) || this.hasFocus())
+      { setTimeout(bind(onFocus, this), 20); }
+    else
+      { onBlur(this); }
+
+    for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt))
+      { optionHandlers[opt](this$1, options[opt], Init); } }
+    maybeUpdateLineNumberWidth(this);
+    if (options.finishInit) { options.finishInit(this); }
+    for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this$1); }
+    endOperation(this);
+    // Suppress optimizelegibility in Webkit, since it breaks text
+    // measuring on line wrapping boundaries.
+    if (webkit && options.lineWrapping &&
+        getComputedStyle(display.lineDiv).textRendering == "optimizelegibility")
+      { display.lineDiv.style.textRendering = "auto"; }
+  }
+
+  // The default configuration options.
+  CodeMirror.defaults = defaults;
+  // Functions to run when options are changed.
+  CodeMirror.optionHandlers = optionHandlers;
+
+  // Attach the necessary event handlers when initializing the editor
+  function registerEventHandlers(cm) {
+    var d = cm.display;
+    on(d.scroller, "mousedown", operation(cm, onMouseDown));
+    // Older IE's will not fire a second mousedown for a double click
+    if (ie && ie_version < 11)
+      { on(d.scroller, "dblclick", operation(cm, function (e) {
+        if (signalDOMEvent(cm, e)) { return }
+        var pos = posFromMouse(cm, e);
+        if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return }
+        e_preventDefault(e);
+        var word = cm.findWordAt(pos);
+        extendSelection(cm.doc, word.anchor, word.head);
+      })); }
+    else
+      { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); }
+    // Some browsers fire contextmenu *after* opening the menu, at
+    // which point we can't mess with it anymore. Context menu is
+    // handled in onMouseDown for these browsers.
+    on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); });
+
+    // Used to suppress mouse event handling when a touch happens
+    var touchFinished, prevTouch = {end: 0};
+    function finishTouch() {
+      if (d.activeTouch) {
+        touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000);
+        prevTouch = d.activeTouch;
+        prevTouch.end = +new Date;
+      }
+    }
+    function isMouseLikeTouchEvent(e) {
+      if (e.touches.length != 1) { return false }
+      var touch = e.touches[0];
+      return touch.radiusX <= 1 && touch.radiusY <= 1
+    }
+    function farAway(touch, other) {
+      if (other.left == null) { return true }
+      var dx = other.left - touch.left, dy = other.top - touch.top;
+      return dx * dx + dy * dy > 20 * 20
+    }
+    on(d.scroller, "touchstart", function (e) {
+      if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) {
+        d.input.ensurePolled();
+        clearTimeout(touchFinished);
+        var now = +new Date;
+        d.activeTouch = {start: now, moved: false,
+                         prev: now - prevTouch.end <= 300 ? prevTouch : null};
+        if (e.touches.length == 1) {
+          d.activeTouch.left = e.touches[0].pageX;
+          d.activeTouch.top = e.touches[0].pageY;
+        }
+      }
+    });
+    on(d.scroller, "touchmove", function () {
+      if (d.activeTouch) { d.activeTouch.moved = true; }
+    });
+    on(d.scroller, "touchend", function (e) {
+      var touch = d.activeTouch;
+      if (touch && !eventInWidget(d, e) && touch.left != null &&
+          !touch.moved && new Date - touch.start < 300) {
+        var pos = cm.coordsChar(d.activeTouch, "page"), range;
+        if (!touch.prev || farAway(touch, touch.prev)) // Single tap
+          { range = new Range(pos, pos); }
+        else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap
+          { range = cm.findWordAt(pos); }
+        else // Triple tap
+          { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); }
+        cm.setSelection(range.anchor, range.head);
+        cm.focus();
+        e_preventDefault(e);
+      }
+      finishTouch();
+    });
+    on(d.scroller, "touchcancel", finishTouch);
+
+    // Sync scrolling between fake scrollbars and real scrollable
+    // area, ensure viewport is updated when scrolling.
+    on(d.scroller, "scroll", function () {
+      if (d.scroller.clientHeight) {
+        updateScrollTop(cm, d.scroller.scrollTop);
+        setScrollLeft(cm, d.scroller.scrollLeft, true);
+        signal(cm, "scroll", cm);
+      }
+    });
+
+    // Listen to wheel events in order to try and update the viewport on time.
+    on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); });
+    on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); });
+
+    // Prevent wrapper from ever scrolling
+    on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });
+
+    d.dragFunctions = {
+      enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }},
+      over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }},
+      start: function (e) { return onDragStart(cm, e); },
+      drop: operation(cm, onDrop),
+      leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }}
+    };
+
+    var inp = d.input.getField();
+    on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); });
+    on(inp, "keydown", operation(cm, onKeyDown));
+    on(inp, "keypress", operation(cm, onKeyPress));
+    on(inp, "focus", function (e) { return onFocus(cm, e); });
+    on(inp, "blur", function (e) { return onBlur(cm, e); });
+  }
+
+  var initHooks = [];
+  CodeMirror.defineInitHook = function (f) { return initHooks.push(f); };
+
+  // Indent the given line. The how parameter can be "smart",
+  // "add"/null, "subtract", or "prev". When aggressive is false
+  // (typically set to true for forced single-line indents), empty
+  // lines are not indented, and places where the mode returns Pass
+  // are left alone.
+  function indentLine(cm, n, how, aggressive) {
+    var doc = cm.doc, state;
+    if (how == null) { how = "add"; }
+    if (how == "smart") {
+      // Fall back to "prev" when the mode doesn't have an indentation
+      // method.
+      if (!doc.mode.indent) { how = "prev"; }
+      else { state = getContextBefore(cm, n).state; }
+    }
+
+    var tabSize = cm.options.tabSize;
+    var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
+    if (line.stateAfter) { line.stateAfter = null; }
+    var curSpaceString = line.text.match(/^\s*/)[0], indentation;
+    if (!aggressive && !/\S/.test(line.text)) {
+      indentation = 0;
+      how = "not";
+    } else if (how == "smart") {
+      indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
+      if (indentation == Pass || indentation > 150) {
+        if (!aggressive) { return }
+        how = "prev";
+      }
+    }
+    if (how == "prev") {
+      if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); }
+      else { indentation = 0; }
+    } else if (how == "add") {
+      indentation = curSpace + cm.options.indentUnit;
+    } else if (how == "subtract") {
+      indentation = curSpace - cm.options.indentUnit;
+    } else if (typeof how == "number") {
+      indentation = curSpace + how;
+    }
+    indentation = Math.max(0, indentation);
+
+    var indentString = "", pos = 0;
+    if (cm.options.indentWithTabs)
+      { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} }
+    if (pos < indentation) { indentString += spaceStr(indentation - pos); }
+
+    if (indentString != curSpaceString) {
+      replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");
+      line.stateAfter = null;
+      return true
+    } else {
+      // Ensure that, if the cursor was in the whitespace at the start
+      // of the line, it is moved to the end of that space.
+      for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) {
+        var range = doc.sel.ranges[i$1];
+        if (range.head.line == n && range.head.ch < curSpaceString.length) {
+          var pos$1 = Pos(n, curSpaceString.length);
+          replaceOneSelection(doc, i$1, new Range(pos$1, pos$1));
+          break
+        }
+      }
+    }
+  }
+
+  // This will be set to a {lineWise: bool, text: [string]} object, so
+  // that, when pasting, we know what kind of selections the copied
+  // text was made out of.
+  var lastCopied = null;
+
+  function setLastCopied(newLastCopied) {
+    lastCopied = newLastCopied;
+  }
+
+  function applyTextInput(cm, inserted, deleted, sel, origin) {
+    var doc = cm.doc;
+    cm.display.shift = false;
+    if (!sel) { sel = doc.sel; }
+
+    var recent = +new Date - 200;
+    var paste = origin == "paste" || cm.state.pasteIncoming > recent;
+    var textLines = splitLinesAuto(inserted), multiPaste = null;
+    // When pasting N lines into N selections, insert one line per selection
+    if (paste && sel.ranges.length > 1) {
+      if (lastCopied && lastCopied.text.join("\n") == inserted) {
+        if (sel.ranges.length % lastCopied.text.length == 0) {
+          multiPaste = [];
+          for (var i = 0; i < lastCopied.text.length; i++)
+            { multiPaste.push(doc.splitLines(lastCopied.text[i])); }
+        }
+      } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) {
+        multiPaste = map(textLines, function (l) { return [l]; });
+      }
+    }
+
+    var updateInput = cm.curOp.updateInput;
+    // Normal behavior is to insert the new text into every selection
+    for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) {
+      var range$$1 = sel.ranges[i$1];
+      var from = range$$1.from(), to = range$$1.to();
+      if (range$$1.empty()) {
+        if (deleted && deleted > 0) // Handle deletion
+          { from = Pos(from.line, from.ch - deleted); }
+        else if (cm.state.overwrite && !paste) // Handle overwrite
+          { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); }
+        else if (paste && lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == inserted)
+          { from = to = Pos(from.line, 0); }
+      }
+      var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines,
+                         origin: origin || (paste ? "paste" : cm.state.cutIncoming > recent ? "cut" : "+input")};
+      makeChange(cm.doc, changeEvent);
+      signalLater(cm, "inputRead", cm, changeEvent);
+    }
+    if (inserted && !paste)
+      { triggerElectric(cm, inserted); }
+
+    ensureCursorVisible(cm);
+    if (cm.curOp.updateInput < 2) { cm.curOp.updateInput = updateInput; }
+    cm.curOp.typing = true;
+    cm.state.pasteIncoming = cm.state.cutIncoming = -1;
+  }
+
+  function handlePaste(e, cm) {
+    var pasted = e.clipboardData && e.clipboardData.getData("Text");
+    if (pasted) {
+      e.preventDefault();
+      if (!cm.isReadOnly() && !cm.options.disableInput)
+        { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }); }
+      return true
+    }
+  }
+
+  function triggerElectric(cm, inserted) {
+    // When an 'electric' character is inserted, immediately trigger a reindent
+    if (!cm.options.electricChars || !cm.options.smartIndent) { return }
+    var sel = cm.doc.sel;
+
+    for (var i = sel.ranges.length - 1; i >= 0; i--) {
+      var range$$1 = sel.ranges[i];
+      if (range$$1.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range$$1.head.line)) { continue }
+      var mode = cm.getModeAt(range$$1.head);
+      var indented = false;
+      if (mode.electricChars) {
+        for (var j = 0; j < mode.electricChars.length; j++)
+          { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
+            indented = indentLine(cm, range$$1.head.line, "smart");
+            break
+          } }
+      } else if (mode.electricInput) {
+        if (mode.electricInput.test(getLine(cm.doc, range$$1.head.line).text.slice(0, range$$1.head.ch)))
+          { indented = indentLine(cm, range$$1.head.line, "smart"); }
+      }
+      if (indented) { signalLater(cm, "electricInput", cm, range$$1.head.line); }
+    }
+  }
+
+  function copyableRanges(cm) {
+    var text = [], ranges = [];
+    for (var i = 0; i < cm.doc.sel.ranges.length; i++) {
+      var line = cm.doc.sel.ranges[i].head.line;
+      var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};
+      ranges.push(lineRange);
+      text.push(cm.getRange(lineRange.anchor, lineRange.head));
+    }
+    return {text: text, ranges: ranges}
+  }
+
+  function disableBrowserMagic(field, spellcheck, autocorrect, autocapitalize) {
+    field.setAttribute("autocorrect", autocorrect ? "" : "off");
+    field.setAttribute("autocapitalize", autocapitalize ? "" : "off");
+    field.setAttribute("spellcheck", !!spellcheck);
+  }
+
+  function hiddenTextarea() {
+    var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none");
+    var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
+    // The textarea is kept positioned near the cursor to prevent the
+    // fact that it'll be scrolled into view on input from scrolling
+    // our fake cursor out of view. On webkit, when wrap=off, paste is
+    // very slow. So make the area wide instead.
+    if (webkit) { te.style.width = "1000px"; }
+    else { te.setAttribute("wrap", "off"); }
+    // If border: 0; -- iOS fails to open keyboard (issue #1287)
+    if (ios) { te.style.border = "1px solid black"; }
+    disableBrowserMagic(te);
+    return div
+  }
+
+  // The publicly visible API. Note that methodOp(f) means
+  // 'wrap f in an operation, performed on its `this` parameter'.
+
+  // This is not the complete set of editor methods. Most of the
+  // methods defined on the Doc type are also injected into
+  // CodeMirror.prototype, for backwards compatibility and
+  // convenience.
+
+  function addEditorMethods(CodeMirror) {
+    var optionHandlers = CodeMirror.optionHandlers;
+
+    var helpers = CodeMirror.helpers = {};
+
+    CodeMirror.prototype = {
+      constructor: CodeMirror,
+      focus: function(){window.focus(); this.display.input.focus();},
+
+      setOption: function(option, value) {
+        var options = this.options, old = options[option];
+        if (options[option] == value && option != "mode") { return }
+        options[option] = value;
+        if (optionHandlers.hasOwnProperty(option))
+          { operation(this, optionHandlers[option])(this, value, old); }
+        signal(this, "optionChange", this, option);
+      },
+
+      getOption: function(option) {return this.options[option]},
+      getDoc: function() {return this.doc},
+
+      addKeyMap: function(map$$1, bottom) {
+        this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map$$1));
+      },
+      removeKeyMap: function(map$$1) {
+        var maps = this.state.keyMaps;
+        for (var i = 0; i < maps.length; ++i)
+          { if (maps[i] == map$$1 || maps[i].name == map$$1) {
+            maps.splice(i, 1);
+            return true
+          } }
+      },
+
+      addOverlay: methodOp(function(spec, options) {
+        var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);
+        if (mode.startState) { throw new Error("Overlays may not be stateful.") }
+        insertSorted(this.state.overlays,
+                     {mode: mode, modeSpec: spec, opaque: options && options.opaque,
+                      priority: (options && options.priority) || 0},
+                     function (overlay) { return overlay.priority; });
+        this.state.modeGen++;
+        regChange(this);
+      }),
+      removeOverlay: methodOp(function(spec) {
+        var this$1 = this;
+
+        var overlays = this.state.overlays;
+        for (var i = 0; i < overlays.length; ++i) {
+          var cur = overlays[i].modeSpec;
+          if (cur == spec || typeof spec == "string" && cur.name == spec) {
+            overlays.splice(i, 1);
+            this$1.state.modeGen++;
+            regChange(this$1);
+            return
+          }
+        }
+      }),
+
+      indentLine: methodOp(function(n, dir, aggressive) {
+        if (typeof dir != "string" && typeof dir != "number") {
+          if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev"; }
+          else { dir = dir ? "add" : "subtract"; }
+        }
+        if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); }
+      }),
+      indentSelection: methodOp(function(how) {
+        var this$1 = this;
+
+        var ranges = this.doc.sel.ranges, end = -1;
+        for (var i = 0; i < ranges.length; i++) {
+          var range$$1 = ranges[i];
+          if (!range$$1.empty()) {
+            var from = range$$1.from(), to = range$$1.to();
+            var start = Math.max(end, from.line);
+            end = Math.min(this$1.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;
+            for (var j = start; j < end; ++j)
+              { indentLine(this$1, j, how); }
+            var newRanges = this$1.doc.sel.ranges;
+            if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)
+              { replaceOneSelection(this$1.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); }
+          } else if (range$$1.head.line > end) {
+            indentLine(this$1, range$$1.head.line, how, true);
+            end = range$$1.head.line;
+            if (i == this$1.doc.sel.primIndex) { ensureCursorVisible(this$1); }
+          }
+        }
+      }),
+
+      // Fetch the parser token for a given character. Useful for hacks
+      // that want to inspect the mode state (say, for completion).
+      getTokenAt: function(pos, precise) {
+        return takeToken(this, pos, precise)
+      },
+
+      getLineTokens: function(line, precise) {
+        return takeToken(this, Pos(line), precise, true)
+      },
+
+      getTokenTypeAt: function(pos) {
+        pos = clipPos(this.doc, pos);
+        var styles = getLineStyles(this, getLine(this.doc, pos.line));
+        var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;
+        var type;
+        if (ch == 0) { type = styles[2]; }
+        else { for (;;) {
+          var mid = (before + after) >> 1;
+          if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; }
+          else if (styles[mid * 2 + 1] < ch) { before = mid + 1; }
+          else { type = styles[mid * 2 + 2]; break }
+        } }
+        var cut = type ? type.indexOf("overlay ") : -1;
+        return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1)
+      },
+
+      getModeAt: function(pos) {
+        var mode = this.doc.mode;
+        if (!mode.innerMode) { return mode }
+        return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode
+      },
+
+      getHelper: function(pos, type) {
+        return this.getHelpers(pos, type)[0]
+      },
+
+      getHelpers: function(pos, type) {
+        var this$1 = this;
+
+        var found = [];
+        if (!helpers.hasOwnProperty(type)) { return found }
+        var help = helpers[type], mode = this.getModeAt(pos);
+        if (typeof mode[type] == "string") {
+          if (help[mode[type]]) { found.push(help[mode[type]]); }
+        } else if (mode[type]) {
+          for (var i = 0; i < mode[type].length; i++) {
+            var val = help[mode[type][i]];
+            if (val) { found.push(val); }
+          }
+        } else if (mode.helperType && help[mode.helperType]) {
+          found.push(help[mode.helperType]);
+        } else if (help[mode.name]) {
+          found.push(help[mode.name]);
+        }
+        for (var i$1 = 0; i$1 < help._global.length; i$1++) {
+          var cur = help._global[i$1];
+          if (cur.pred(mode, this$1) && indexOf(found, cur.val) == -1)
+            { found.push(cur.val); }
+        }
+        return found
+      },
+
+      getStateAfter: function(line, precise) {
+        var doc = this.doc;
+        line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);
+        return getContextBefore(this, line + 1, precise).state
+      },
+
+      cursorCoords: function(start, mode) {
+        var pos, range$$1 = this.doc.sel.primary();
+        if (start == null) { pos = range$$1.head; }
+        else if (typeof start == "object") { pos = clipPos(this.doc, start); }
+        else { pos = start ? range$$1.from() : range$$1.to(); }
+        return cursorCoords(this, pos, mode || "page")
+      },
+
+      charCoords: function(pos, mode) {
+        return charCoords(this, clipPos(this.doc, pos), mode || "page")
+      },
+
+      coordsChar: function(coords, mode) {
+        coords = fromCoordSystem(this, coords, mode || "page");
+        return coordsChar(this, coords.left, coords.top)
+      },
+
+      lineAtHeight: function(height, mode) {
+        height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top;
+        return lineAtHeight(this.doc, height + this.display.viewOffset)
+      },
+      heightAtLine: function(line, mode, includeWidgets) {
+        var end = false, lineObj;
+        if (typeof line == "number") {
+          var last = this.doc.first + this.doc.size - 1;
+          if (line < this.doc.first) { line = this.doc.first; }
+          else if (line > last) { line = last; end = true; }
+          lineObj = getLine(this.doc, line);
+        } else {
+          lineObj = line;
+        }
+        return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top +
+          (end ? this.doc.height - heightAtLine(lineObj) : 0)
+      },
+
+      defaultTextHeight: function() { return textHeight(this.display) },
+      defaultCharWidth: function() { return charWidth(this.display) },
+
+      getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}},
+
+      addWidget: function(pos, node, scroll, vert, horiz) {
+        var display = this.display;
+        pos = cursorCoords(this, clipPos(this.doc, pos));
+        var top = pos.bottom, left = pos.left;
+        node.style.position = "absolute";
+        node.setAttribute("cm-ignore-events", "true");
+        this.display.input.setUneditable(node);
+        display.sizer.appendChild(node);
+        if (vert == "over") {
+          top = pos.top;
+        } else if (vert == "above" || vert == "near") {
+          var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),
+          hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
+          // Default to positioning above (if specified and possible); otherwise default to positioning below
+          if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)
+            { top = pos.top - node.offsetHeight; }
+          else if (pos.bottom + node.offsetHeight <= vspace)
+            { top = pos.bottom; }
+          if (left + node.offsetWidth > hspace)
+            { left = hspace - node.offsetWidth; }
+        }
+        node.style.top = top + "px";
+        node.style.left = node.style.right = "";
+        if (horiz == "right") {
+          left = display.sizer.clientWidth - node.offsetWidth;
+          node.style.right = "0px";
+        } else {
+          if (horiz == "left") { left = 0; }
+          else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; }
+          node.style.left = left + "px";
+        }
+        if (scroll)
+          { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); }
+      },
+
+      triggerOnKeyDown: methodOp(onKeyDown),
+      triggerOnKeyPress: methodOp(onKeyPress),
+      triggerOnKeyUp: onKeyUp,
+      triggerOnMouseDown: methodOp(onMouseDown),
+
+      execCommand: function(cmd) {
+        if (commands.hasOwnProperty(cmd))
+          { return commands[cmd].call(null, this) }
+      },
+
+      triggerElectric: methodOp(function(text) { triggerElectric(this, text); }),
+
+      findPosH: function(from, amount, unit, visually) {
+        var this$1 = this;
+
+        var dir = 1;
+        if (amount < 0) { dir = -1; amount = -amount; }
+        var cur = clipPos(this.doc, from);
+        for (var i = 0; i < amount; ++i) {
+          cur = findPosH(this$1.doc, cur, dir, unit, visually);
+          if (cur.hitSide) { break }
+        }
+        return cur
+      },
+
+      moveH: methodOp(function(dir, unit) {
+        var this$1 = this;
+
+        this.extendSelectionsBy(function (range$$1) {
+          if (this$1.display.shift || this$1.doc.extend || range$$1.empty())
+            { return findPosH(this$1.doc, range$$1.head, dir, unit, this$1.options.rtlMoveVisually) }
+          else
+            { return dir < 0 ? range$$1.from() : range$$1.to() }
+        }, sel_move);
+      }),
+
+      deleteH: methodOp(function(dir, unit) {
+        var sel = this.doc.sel, doc = this.doc;
+        if (sel.somethingSelected())
+          { doc.replaceSelection("", null, "+delete"); }
+        else
+          { deleteNearSelection(this, function (range$$1) {
+            var other = findPosH(doc, range$$1.head, dir, unit, false);
+            return dir < 0 ? {from: other, to: range$$1.head} : {from: range$$1.head, to: other}
+          }); }
+      }),
+
+      findPosV: function(from, amount, unit, goalColumn) {
+        var this$1 = this;
+
+        var dir = 1, x = goalColumn;
+        if (amount < 0) { dir = -1; amount = -amount; }
+        var cur = clipPos(this.doc, from);
+        for (var i = 0; i < amount; ++i) {
+          var coords = cursorCoords(this$1, cur, "div");
+          if (x == null) { x = coords.left; }
+          else { coords.left = x; }
+          cur = findPosV(this$1, coords, dir, unit);
+          if (cur.hitSide) { break }
+        }
+        return cur
+      },
+
+      moveV: methodOp(function(dir, unit) {
+        var this$1 = this;
+
+        var doc = this.doc, goals = [];
+        var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected();
+        doc.extendSelectionsBy(function (range$$1) {
+          if (collapse)
+            { return dir < 0 ? range$$1.from() : range$$1.to() }
+          var headPos = cursorCoords(this$1, range$$1.head, "div");
+          if (range$$1.goalColumn != null) { headPos.left = range$$1.goalColumn; }
+          goals.push(headPos.left);
+          var pos = findPosV(this$1, headPos, dir, unit);
+          if (unit == "page" && range$$1 == doc.sel.primary())
+            { addToScrollTop(this$1, charCoords(this$1, pos, "div").top - headPos.top); }
+          return pos
+        }, sel_move);
+        if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++)
+          { doc.sel.ranges[i].goalColumn = goals[i]; } }
+      }),
+
+      // Find the word at the given position (as returned by coordsChar).
+      findWordAt: function(pos) {
+        var doc = this.doc, line = getLine(doc, pos.line).text;
+        var start = pos.ch, end = pos.ch;
+        if (line) {
+          var helper = this.getHelper(pos, "wordChars");
+          if ((pos.sticky == "before" || end == line.length) && start) { --start; } else { ++end; }
+          var startChar = line.charAt(start);
+          var check = isWordChar(startChar, helper)
+            ? function (ch) { return isWordChar(ch, helper); }
+            : /\s/.test(startChar) ? function (ch) { return /\s/.test(ch); }
+            : function (ch) { return (!/\s/.test(ch) && !isWordChar(ch)); };
+          while (start > 0 && check(line.charAt(start - 1))) { --start; }
+          while (end < line.length && check(line.charAt(end))) { ++end; }
+        }
+        return new Range(Pos(pos.line, start), Pos(pos.line, end))
+      },
+
+      toggleOverwrite: function(value) {
+        if (value != null && value == this.state.overwrite) { return }
+        if (this.state.overwrite = !this.state.overwrite)
+          { addClass(this.display.cursorDiv, "CodeMirror-overwrite"); }
+        else
+          { rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); }
+
+        signal(this, "overwriteToggle", this, this.state.overwrite);
+      },
+      hasFocus: function() { return this.display.input.getField() == activeElt() },
+      isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) },
+
+      scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }),
+      getScrollInfo: function() {
+        var scroller = this.display.scroller;
+        return {left: scroller.scrollLeft, top: scroller.scrollTop,
+                height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,
+                width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,
+                clientHeight: displayHeight(this), clientWidth: displayWidth(this)}
+      },
+
+      scrollIntoView: methodOp(function(range$$1, margin) {
+        if (range$$1 == null) {
+          range$$1 = {from: this.doc.sel.primary().head, to: null};
+          if (margin == null) { margin = this.options.cursorScrollMargin; }
+        } else if (typeof range$$1 == "number") {
+          range$$1 = {from: Pos(range$$1, 0), to: null};
+        } else if (range$$1.from == null) {
+          range$$1 = {from: range$$1, to: null};
         }
-      }
-
-      // W7. Search backwards from each instance of a European number
-      // until the first strong type (R, L, or sor) is found. If an L is
-      // found, then change the type of the European number to L.
-      for (var i = 0, cur = outerType; i < len; ++i) {
-        var type = types[i];
-        if (cur == "L" && type == "1") types[i] = "L";
-        else if (isStrong.test(type)) cur = type;
-      }
-
-      // N1. A sequence of neutrals takes the direction of the
-      // surrounding strong text if the text on both sides has the same
-      // direction. European and Arabic numbers act as if they were R in
-      // terms of their influence on neutrals. Start-of-level-run (sor)
-      // and end-of-level-run (eor) are used at level run boundaries.
-      // N2. Any remaining neutrals take the embedding direction.
-      for (var i = 0; i < len; ++i) {
-        if (isNeutral.test(types[i])) {
-          for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {}
-          var before = (i ? types[i-1] : outerType) == "L";
-          var after = (end < len ? types[end] : outerType) == "L";
-          var replace = before || after ? "L" : "R";
-          for (var j = i; j < end; ++j) types[j] = replace;
-          i = end - 1;
+        if (!range$$1.to) { range$$1.to = range$$1.from; }
+        range$$1.margin = margin || 0;
+
+        if (range$$1.from.line != null) {
+          scrollToRange(this, range$$1);
+        } else {
+          scrollToCoordsRange(this, range$$1.from, range$$1.to, range$$1.margin);
+        }
+      }),
+
+      setSize: methodOp(function(width, height) {
+        var this$1 = this;
+
+        var interpret = function (val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; };
+        if (width != null) { this.display.wrapper.style.width = interpret(width); }
+        if (height != null) { this.display.wrapper.style.height = interpret(height); }
+        if (this.options.lineWrapping) { clearLineMeasurementCache(this); }
+        var lineNo$$1 = this.display.viewFrom;
+        this.doc.iter(lineNo$$1, this.display.viewTo, function (line) {
+          if (line.widgets) { for (var i = 0; i < line.widgets.length; i++)
+            { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo$$1, "widget"); break } } }
+          ++lineNo$$1;
+        });
+        this.curOp.forceUpdate = true;
+        signal(this, "refresh", this);
+      }),
+
+      operation: function(f){return runInOp(this, f)},
+      startOperation: function(){return startOperation(this)},
+      endOperation: function(){return endOperation(this)},
+
+      refresh: methodOp(function() {
+        var oldHeight = this.display.cachedTextHeight;
+        regChange(this);
+        this.curOp.forceUpdate = true;
+        clearCaches(this);
+        scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop);
+        updateGutterSpace(this.display);
+        if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5)
+          { estimateLineHeights(this); }
+        signal(this, "refresh", this);
+      }),
+
+      swapDoc: methodOp(function(doc) {
+        var old = this.doc;
+        old.cm = null;
+        // Cancel the current text selection if any (#5821)
+        if (this.state.selectingText) { this.state.selectingText(); }
+        attachDoc(this, doc);
+        clearCaches(this);
+        this.display.input.reset();
+        scrollToCoords(this, doc.scrollLeft, doc.scrollTop);
+        this.curOp.forceScroll = true;
+        signalLater(this, "swapDoc", this, old);
+        return old
+      }),
+
+      phrase: function(phraseText) {
+        var phrases = this.options.phrases;
+        return phrases && Object.prototype.hasOwnProperty.call(phrases, phraseText) ? phrases[phraseText] : phraseText
+      },
+
+      getInputField: function(){return this.display.input.getField()},
+      getWrapperElement: function(){return this.display.wrapper},
+      getScrollerElement: function(){return this.display.scroller},
+      getGutterElement: function(){return this.display.gutters}
+    };
+    eventMixin(CodeMirror);
+
+    CodeMirror.registerHelper = function(type, name, value) {
+      if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; }
+      helpers[type][name] = value;
+    };
+    CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {
+      CodeMirror.registerHelper(type, name, value);
+      helpers[type]._global.push({pred: predicate, val: value});
+    };
+  }
+
+  // Used for horizontal relative motion. Dir is -1 or 1 (left or
+  // right), unit can be "char", "column" (like char, but doesn't
+  // cross line boundaries), "word" (across next word), or "group" (to
+  // the start of next group of word or non-word-non-whitespace
+  // chars). The visually param controls whether, in right-to-left
+  // text, direction 1 means to move towards the next index in the
+  // string, or towards the character to the right of the current
+  // position. The resulting position will have a hitSide=true
+  // property if it reached the end of the document.
+  function findPosH(doc, pos, dir, unit, visually) {
+    var oldPos = pos;
+    var origDir = dir;
+    var lineObj = getLine(doc, pos.line);
+    function findNextLine() {
+      var l = pos.line + dir;
+      if (l < doc.first || l >= doc.first + doc.size) { return false }
+      pos = new Pos(l, pos.ch, pos.sticky);
+      return lineObj = getLine(doc, l)
+    }
+    function moveOnce(boundToLine) {
+      var next;
+      if (visually) {
+        next = moveVisually(doc.cm, lineObj, pos, dir);
+      } else {
+        next = moveLogically(lineObj, pos, dir);
+      }
+      if (next == null) {
+        if (!boundToLine && findNextLine())
+          { pos = endOfLine(visually, doc.cm, lineObj, pos.line, dir); }
+        else
+          { return false }
+      } else {
+        pos = next;
+      }
+      return true
+    }
+
+    if (unit == "char") {
+      moveOnce();
+    } else if (unit == "column") {
+      moveOnce(true);
+    } else if (unit == "word" || unit == "group") {
+      var sawType = null, group = unit == "group";
+      var helper = doc.cm && doc.cm.getHelper(pos, "wordChars");
+      for (var first = true;; first = false) {
+        if (dir < 0 && !moveOnce(!first)) { break }
+        var cur = lineObj.text.charAt(pos.ch) || "\n";
+        var type = isWordChar(cur, helper) ? "w"
+          : group && cur == "\n" ? "n"
+          : !group || /\s/.test(cur) ? null
+          : "p";
+        if (group && !first && !type) { type = "s"; }
+        if (sawType && sawType != type) {
+          if (dir < 0) {dir = 1; moveOnce(); pos.sticky = "after";}
+          break
+        }
+
+        if (type) { sawType = type; }
+        if (dir > 0 && !moveOnce(!first)) { break }
+      }
+    }
+    var result = skipAtomic(doc, pos, oldPos, origDir, true);
+    if (equalCursorPos(oldPos, result)) { result.hitSide = true; }
+    return result
+  }
+
+  // For relative vertical movement. Dir may be -1 or 1. Unit can be
+  // "page" or "line". The resulting position will have a hitSide=true
+  // property if it reached the end of the document.
+  function findPosV(cm, pos, dir, unit) {
+    var doc = cm.doc, x = pos.left, y;
+    if (unit == "page") {
+      var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);
+      var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3);
+      y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount;
+
+    } else if (unit == "line") {
+      y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
+    }
+    var target;
+    for (;;) {
+      target = coordsChar(cm, x, y);
+      if (!target.outside) { break }
+      if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break }
+      y += dir * 5;
+    }
+    return target
+  }
+
+  // CONTENTEDITABLE INPUT STYLE
+
+  var ContentEditableInput = function(cm) {
+    this.cm = cm;
+    this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null;
+    this.polling = new Delayed();
+    this.composing = null;
+    this.gracePeriod = false;
+    this.readDOMTimeout = null;
+  };
+
+  ContentEditableInput.prototype.init = function (display) {
+      var this$1 = this;
+
+    var input = this, cm = input.cm;
+    var div = input.div = display.lineDiv;
+    disableBrowserMagic(div, cm.options.spellcheck, cm.options.autocorrect, cm.options.autocapitalize);
+
+    on(div, "paste", function (e) {
+      if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }
+      // IE doesn't fire input events, so we schedule a read for the pasted content in this way
+      if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20); }
+    });
+
+    on(div, "compositionstart", function (e) {
+      this$1.composing = {data: e.data, done: false};
+    });
+    on(div, "compositionupdate", function (e) {
+      if (!this$1.composing) { this$1.composing = {data: e.data, done: false}; }
+    });
+    on(div, "compositionend", function (e) {
+      if (this$1.composing) {
+        if (e.data != this$1.composing.data) { this$1.readFromDOMSoon(); }
+        this$1.composing.done = true;
+      }
+    });
+
+    on(div, "touchstart", function () { return input.forceCompositionEnd(); });
+
+    on(div, "input", function () {
+      if (!this$1.composing) { this$1.readFromDOMSoon(); }
+    });
+
+    function onCopyCut(e) {
+      if (signalDOMEvent(cm, e)) { return }
+      if (cm.somethingSelected()) {
+        setLastCopied({lineWise: false, text: cm.getSelections()});
+        if (e.type == "cut") { cm.replaceSelection("", null, "cut"); }
+      } else if (!cm.options.lineWiseCopyCut) {
+        return
+      } else {
+        var ranges = copyableRanges(cm);
+        setLastCopied({lineWise: true, text: ranges.text});
+        if (e.type == "cut") {
+          cm.operation(function () {
+            cm.setSelections(ranges.ranges, 0, sel_dontScroll);
+            cm.replaceSelection("", null, "cut");
+          });
+        }
+      }
+      if (e.clipboardData) {
+        e.clipboardData.clearData();
+        var content = lastCopied.text.join("\n");
+        // iOS exposes the clipboard API, but seems to discard content inserted into it
+        e.clipboardData.setData("Text", content);
+        if (e.clipboardData.getData("Text") == content) {
+          e.preventDefault();
+          return
+        }
+      }
+      // Old-fashioned briefly-focus-a-textarea hack
+      var kludge = hiddenTextarea(), te = kludge.firstChild;
+      cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild);
+      te.value = lastCopied.text.join("\n");
+      var hadFocus = document.activeElement;
+      selectInput(te);
+      setTimeout(function () {
+        cm.display.lineSpace.removeChild(kludge);
+        hadFocus.focus();
+        if (hadFocus == div) { input.showPrimarySelection(); }
+      }, 50);
+    }
+    on(div, "copy", onCopyCut);
+    on(div, "cut", onCopyCut);
+  };
+
+  ContentEditableInput.prototype.prepareSelection = function () {
+    var result = prepareSelection(this.cm, false);
+    result.focus = this.cm.state.focused;
+    return result
+  };
+
+  ContentEditableInput.prototype.showSelection = function (info, takeFocus) {
+    if (!info || !this.cm.display.view.length) { return }
+    if (info.focus || takeFocus) { this.showPrimarySelection(); }
+    this.showMultipleSelections(info);
+  };
+
+  ContentEditableInput.prototype.getSelection = function () {
+    return this.cm.display.wrapper.ownerDocument.getSelection()
+  };
+
+  ContentEditableInput.prototype.showPrimarySelection = function () {
+    var sel = this.getSelection(), cm = this.cm, prim = cm.doc.sel.primary();
+    var from = prim.from(), to = prim.to();
+
+    if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) {
+      sel.removeAllRanges();
+      return
+    }
+
+    var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
+    var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset);
+    if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&
+        cmp(minPos(curAnchor, curFocus), from) == 0 &&
+        cmp(maxPos(curAnchor, curFocus), to) == 0)
+      { return }
+
+    var view = cm.display.view;
+    var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) ||
+        {node: view[0].measure.map[2], offset: 0};
+    var end = to.line < cm.display.viewTo && posToDOM(cm, to);
+    if (!end) {
+      var measure = view[view.length - 1].measure;
+      var map$$1 = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map;
+      end = {node: map$$1[map$$1.length - 1], offset: map$$1[map$$1.length - 2] - map$$1[map$$1.length - 3]};
+    }
+
+    if (!start || !end) {
+      sel.removeAllRanges();
+      return
+    }
+
+    var old = sel.rangeCount && sel.getRangeAt(0), rng;
+    try { rng = range(start.node, start.offset, end.offset, end.node); }
+    catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible
+    if (rng) {
+      if (!gecko && cm.state.focused) {
+        sel.collapse(start.node, start.offset);
+        if (!rng.collapsed) {
+          sel.removeAllRanges();
+          sel.addRange(rng);
+        }
+      } else {
+        sel.removeAllRanges();
+        sel.addRange(rng);
+      }
+      if (old && sel.anchorNode == null) { sel.addRange(old); }
+      else if (gecko) { this.startGracePeriod(); }
+    }
+    this.rememberSelection();
+  };
+
+  ContentEditableInput.prototype.startGracePeriod = function () {
+      var this$1 = this;
+
+    clearTimeout(this.gracePeriod);
+    this.gracePeriod = setTimeout(function () {
+      this$1.gracePeriod = false;
+      if (this$1.selectionChanged())
+        { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }); }
+    }, 20);
+  };
+
+  ContentEditableInput.prototype.showMultipleSelections = function (info) {
+    removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors);
+    removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection);
+  };
+
+  ContentEditableInput.prototype.rememberSelection = function () {
+    var sel = this.getSelection();
+    this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset;
+    this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset;
+  };
+
+  ContentEditableInput.prototype.selectionInEditor = function () {
+    var sel = this.getSelection();
+    if (!sel.rangeCount) { return false }
+    var node = sel.getRangeAt(0).commonAncestorContainer;
+    return contains(this.div, node)
+  };
+
+  ContentEditableInput.prototype.focus = function () {
+    if (this.cm.options.readOnly != "nocursor") {
+      if (!this.selectionInEditor())
+        { this.showSelection(this.prepareSelection(), true); }
+      this.div.focus();
+    }
+  };
+  ContentEditableInput.prototype.blur = function () { this.div.blur(); };
+  ContentEditableInput.prototype.getField = function () { return this.div };
+
+  ContentEditableInput.prototype.supportsTouch = function () { return true };
+
+  ContentEditableInput.prototype.receivedFocus = function () {
+    var input = this;
+    if (this.selectionInEditor())
+      { this.pollSelection(); }
+    else
+      { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); }
+
+    function poll() {
+      if (input.cm.state.focused) {
+        input.pollSelection();
+        input.polling.set(input.cm.options.pollInterval, poll);
+      }
+    }
+    this.polling.set(this.cm.options.pollInterval, poll);
+  };
+
+  ContentEditableInput.prototype.selectionChanged = function () {
+    var sel = this.getSelection();
+    return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset ||
+      sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset
+  };
+
+  ContentEditableInput.prototype.pollSelection = function () {
+    if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return }
+    var sel = this.getSelection(), cm = this.cm;
+    // On Android Chrome (version 56, at least), backspacing into an
+    // uneditable block element will put the cursor in that element,
+    // and then, because it's not editable, hide the virtual keyboard.
+    // Because Android doesn't allow us to actually detect backspace
+    // presses in a sane way, this code checks for when that happens
+    // and simulates a backspace press in this case.
+    if (android && chrome && this.cm.display.gutterSpecs.length && isInGutter(sel.anchorNode)) {
+      this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs});
+      this.blur();
+      this.focus();
+      return
+    }
+    if (this.composing) { return }
+    this.rememberSelection();
+    var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
+    var head = domToPos(cm, sel.focusNode, sel.focusOffset);
+    if (anchor && head) { runInOp(cm, function () {
+      setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll);
+      if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; }
+    }); }
+  };
+
+  ContentEditableInput.prototype.pollContent = function () {
+    if (this.readDOMTimeout != null) {
+      clearTimeout(this.readDOMTimeout);
+      this.readDOMTimeout = null;
+    }
+
+    var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary();
+    var from = sel.from(), to = sel.to();
+    if (from.ch == 0 && from.line > cm.firstLine())
+      { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); }
+    if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine())
+      { to = Pos(to.line + 1, 0); }
+    if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false }
+
+    var fromIndex, fromLine, fromNode;
+    if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) {
+      fromLine = lineNo(display.view[0].line);
+      fromNode = display.view[0].node;
+    } else {
+      fromLine = lineNo(display.view[fromIndex].line);
+      fromNode = display.view[fromIndex - 1].node.nextSibling;
+    }
+    var toIndex = findViewIndex(cm, to.line);
+    var toLine, toNode;
+    if (toIndex == display.view.length - 1) {
+      toLine = display.viewTo - 1;
+      toNode = display.lineDiv.lastChild;
+    } else {
+      toLine = lineNo(display.view[toIndex + 1].line) - 1;
+      toNode = display.view[toIndex + 1].node.previousSibling;
+    }
+
+    if (!fromNode) { return false }
+    var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine));
+    var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length));
+    while (newText.length > 1 && oldText.length > 1) {
+      if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; }
+      else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; }
+      else { break }
+    }
+
+    var cutFront = 0, cutEnd = 0;
+    var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length);
+    while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))
+      { ++cutFront; }
+    var newBot = lst(newText), oldBot = lst(oldText);
+    var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0),
+                             oldBot.length - (oldText.length == 1 ? cutFront : 0));
+    while (cutEnd < maxCutEnd &&
+           newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))
+      { ++cutEnd; }
+    // Try to move start of change to start of selection if ambiguous
+    if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) {
+      while (cutFront && cutFront > from.ch &&
+             newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) {
+        cutFront--;
+        cutEnd++;
+      }
+    }
+
+    newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, "");
+    newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, "");
+
+    var chFrom = Pos(fromLine, cutFront);
+    var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0);
+    if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) {
+      replaceRange(cm.doc, newText, chFrom, chTo, "+input");
+      return true
+    }
+  };
+
+  ContentEditableInput.prototype.ensurePolled = function () {
+    this.forceCompositionEnd();
+  };
+  ContentEditableInput.prototype.reset = function () {
+    this.forceCompositionEnd();
+  };
+  ContentEditableInput.prototype.forceCompositionEnd = function () {
+    if (!this.composing) { return }
+    clearTimeout(this.readDOMTimeout);
+    this.composing = null;
+    this.updateFromDOM();
+    this.div.blur();
+    this.div.focus();
+  };
+  ContentEditableInput.prototype.readFromDOMSoon = function () {
+      var this$1 = this;
+
+    if (this.readDOMTimeout != null) { return }
+    this.readDOMTimeout = setTimeout(function () {
+      this$1.readDOMTimeout = null;
+      if (this$1.composing) {
+        if (this$1.composing.done) { this$1.composing = null; }
+        else { return }
+      }
+      this$1.updateFromDOM();
+    }, 80);
+  };
+
+  ContentEditableInput.prototype.updateFromDOM = function () {
+      var this$1 = this;
+
+    if (this.cm.isReadOnly() || !this.pollContent())
+      { runInOp(this.cm, function () { return regChange(this$1.cm); }); }
+  };
+
+  ContentEditableInput.prototype.setUneditable = function (node) {
+    node.contentEditable = "false";
+  };
+
+  ContentEditableInput.prototype.onKeyPress = function (e) {
+    if (e.charCode == 0 || this.composing) { return }
+    e.preventDefault();
+    if (!this.cm.isReadOnly())
+      { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); }
+  };
+
+  ContentEditableInput.prototype.readOnlyChanged = function (val) {
+    this.div.contentEditable = String(val != "nocursor");
+  };
+
+  ContentEditableInput.prototype.onContextMenu = function () {};
+  ContentEditableInput.prototype.resetPosition = function () {};
+
+  ContentEditableInput.prototype.needsContentAttribute = true;
+
+  function posToDOM(cm, pos) {
+    var view = findViewForLine(cm, pos.line);
+    if (!view || view.hidden) { return null }
+    var line = getLine(cm.doc, pos.line);
+    var info = mapFromLineView(view, line, pos.line);
+
+    var order = getOrder(line, cm.doc.direction), side = "left";
+    if (order) {
+      var partPos = getBidiPartAt(order, pos.ch);
+      side = partPos % 2 ? "right" : "left";
+    }
+    var result = nodeAndOffsetInLineMap(info.map, pos.ch, side);
+    result.offset = result.collapse == "right" ? result.end : result.start;
+    return result
+  }
+
+  function isInGutter(node) {
+    for (var scan = node; scan; scan = scan.parentNode)
+      { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } }
+    return false
+  }
+
+  function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos }
+
+  function domTextBetween(cm, from, to, fromLine, toLine) {
+    var text = "", closing = false, lineSep = cm.doc.lineSeparator(), extraLinebreak = false;
+    function recognizeMarker(id) { return function (marker) { return marker.id == id; } }
+    function close() {
+      if (closing) {
+        text += lineSep;
+        if (extraLinebreak) { text += lineSep; }
+        closing = extraLinebreak = false;
+      }
+    }
+    function addText(str) {
+      if (str) {
+        close();
+        text += str;
+      }
+    }
+    function walk(node) {
+      if (node.nodeType == 1) {
+        var cmText = node.getAttribute("cm-text");
+        if (cmText) {
+          addText(cmText);
+          return
+        }
+        var markerID = node.getAttribute("cm-marker"), range$$1;
+        if (markerID) {
+          var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID));
+          if (found.length && (range$$1 = found[0].find(0)))
+            { addText(getBetween(cm.doc, range$$1.from, range$$1.to).join(lineSep)); }
+          return
         }
-      }
-
-      // Here we depart from the documented algorithm, in order to avoid
-      // building up an actual levels array. Since there are only three
-      // levels (0, 1, 2) in an implementation that doesn't take
-      // explicit embedding into account, we can build up the order on
-      // the fly, without following the level-based algorithm.
-      var order = [], m;
-      for (var i = 0; i < len;) {
-        if (countsAsLeft.test(types[i])) {
-          var start = i;
-          for (++i; i < len && countsAsLeft.test(types[i]); ++i) {}
-          order.push(new BidiSpan(0, start, i));
+        if (node.getAttribute("contenteditable") == "false") { return }
+        var isBlock = /^(pre|div|p|li|table|br)$/i.test(node.nodeName);
+        if (!/^br$/i.test(node.nodeName) && node.textContent.length == 0) { return }
+
+        if (isBlock) { close(); }
+        for (var i = 0; i < node.childNodes.length; i++)
+          { walk(node.childNodes[i]); }
+
+        if (/^(pre|p)$/i.test(node.nodeName)) { extraLinebreak = true; }
+        if (isBlock) { closing = true; }
+      } else if (node.nodeType == 3) {
+        addText(node.nodeValue.replace(/\u200b/g, "").replace(/\u00a0/g, " "));
+      }
+    }
+    for (;;) {
+      walk(from);
+      if (from == to) { break }
+      from = from.nextSibling;
+      extraLinebreak = false;
+    }
+    return text
+  }
+
+  function domToPos(cm, node, offset) {
+    var lineNode;
+    if (node == cm.display.lineDiv) {
+      lineNode = cm.display.lineDiv.childNodes[offset];
+      if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) }
+      node = null; offset = 0;
+    } else {
+      for (lineNode = node;; lineNode = lineNode.parentNode) {
+        if (!lineNode || lineNode == cm.display.lineDiv) { return null }
+        if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break }
+      }
+    }
+    for (var i = 0; i < cm.display.view.length; i++) {
+      var lineView = cm.display.view[i];
+      if (lineView.node == lineNode)
+        { return locateNodeInLineView(lineView, node, offset) }
+    }
+  }
+
+  function locateNodeInLineView(lineView, node, offset) {
+    var wrapper = lineView.text.firstChild, bad = false;
+    if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) }
+    if (node == wrapper) {
+      bad = true;
+      node = wrapper.childNodes[offset];
+      offset = 0;
+      if (!node) {
+        var line = lineView.rest ? lst(lineView.rest) : lineView.line;
+        return badPos(Pos(lineNo(line), line.text.length), bad)
+      }
+    }
+
+    var textNode = node.nodeType == 3 ? node : null, topNode = node;
+    if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {
+      textNode = node.firstChild;
+      if (offset) { offset = textNode.nodeValue.length; }
+    }
+    while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; }
+    var measure = lineView.measure, maps = measure.maps;
+
+    function find(textNode, topNode, offset) {
+      for (var i = -1; i < (maps ? maps.length : 0); i++) {
+        var map$$1 = i < 0 ? measure.map : maps[i];
+        for (var j = 0; j < map$$1.length; j += 3) {
+          var curNode = map$$1[j + 2];
+          if (curNode == textNode || curNode == topNode) {
+            var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]);
+            var ch = map$$1[j] + offset;
+            if (offset < 0 || curNode != textNode) { ch = map$$1[j + (offset ? 1 : 0)]; }
+            return Pos(line, ch)
+          }
+        }
+      }
+    }
+    var found = find(textNode, topNode, offset);
+    if (found) { return badPos(found, bad) }
+
+    // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems
+    for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {
+      found = find(after, after.firstChild, 0);
+      if (found)
+        { return badPos(Pos(found.line, found.ch - dist), bad) }
+      else
+        { dist += after.textContent.length; }
+    }
+    for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) {
+      found = find(before, before.firstChild, -1);
+      if (found)
+        { return badPos(Pos(found.line, found.ch + dist$1), bad) }
+      else
+        { dist$1 += before.textContent.length; }
+    }
+  }
+
+  // TEXTAREA INPUT STYLE
+
+  var TextareaInput = function(cm) {
+    this.cm = cm;
+    // See input.poll and input.reset
+    this.prevInput = "";
+
+    // Flag that indicates whether we expect input to appear real soon
+    // now (after some event like 'keypress' or 'input') and are
+    // polling intensively.
+    this.pollingFast = false;
+    // Self-resetting timeout for the poller
+    this.polling = new Delayed();
+    // Used to work around IE issue with selection being forgotten when focus moves away from textarea
+    this.hasSelection = false;
+    this.composing = null;
+  };
+
+  TextareaInput.prototype.init = function (display) {
+      var this$1 = this;
+
+    var input = this, cm = this.cm;
+    this.createField(display);
+    var te = this.textarea;
+
+    display.wrapper.insertBefore(this.wrapper, display.wrapper.firstChild);
+
+    // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore)
+    if (ios) { te.style.width = "0px"; }
+
+    on(te, "input", function () {
+      if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null; }
+      input.poll();
+    });
+
+    on(te, "paste", function (e) {
+      if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }
+
+      cm.state.pasteIncoming = +new Date;
+      input.fastPoll();
+    });
+
+    function prepareCopyCut(e) {
+      if (signalDOMEvent(cm, e)) { return }
+      if (cm.somethingSelected()) {
+        setLastCopied({lineWise: false, text: cm.getSelections()});
+      } else if (!cm.options.lineWiseCopyCut) {
+        return
+      } else {
+        var ranges = copyableRanges(cm);
+        setLastCopied({lineWise: true, text: ranges.text});
+        if (e.type == "cut") {
+          cm.setSelections(ranges.ranges, null, sel_dontScroll);
         } else {
-          var pos = i, at = order.length;
-          for (++i; i < len && types[i] != "L"; ++i) {}
-          for (var j = pos; j < i;) {
-            if (countsAsNum.test(types[j])) {
-              if (pos < j) order.splice(at, 0, new BidiSpan(1, pos, j));
-              var nstart = j;
-              for (++j; j < i && countsAsNum.test(types[j]); ++j) {}
-              order.splice(at, 0, new BidiSpan(2, nstart, j));
-              pos = j;
-            } else ++j;
-          }
-          if (pos < i) order.splice(at, 0, new BidiSpan(1, pos, i));
+          input.prevInput = "";
+          te.value = ranges.text.join("\n");
+          selectInput(te);
         }
       }
-      if (order[0].level == 1 && (m = str.match(/^\s+/))) {
-        order[0].from = m[0].length;
-        order.unshift(new BidiSpan(0, 0, m[0].length));
-      }
-      if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
-        lst(order).to -= m[0].length;
-        order.push(new BidiSpan(0, len - m[0].length, len));
-      }
-      if (order[0].level == 2)
-        order.unshift(new BidiSpan(1, order[0].to, order[0].to));
-      if (order[0].level != lst(order).level)
-        order.push(new BidiSpan(order[0].level, len, len));
-
-      return order;
+      if (e.type == "cut") { cm.state.cutIncoming = +new Date; }
+    }
+    on(te, "cut", prepareCopyCut);
+    on(te, "copy", prepareCopyCut);
+
+    on(display.scroller, "paste", function (e) {
+      if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return }
+      if (!te.dispatchEvent) {
+        cm.state.pasteIncoming = +new Date;
+        input.focus();
+        return
+      }
+
+      // Pass the `paste` event to the textarea so it's handled by its event listener.
+      var event = new Event("paste");
+      event.clipboardData = e.clipboardData;
+      te.dispatchEvent(event);
+    });
+
+    // Prevent normal selection in the editor (we handle our own)
+    on(display.lineSpace, "selectstart", function (e) {
+      if (!eventInWidget(display, e)) { e_preventDefault(e); }
+    });
+
+    on(te, "compositionstart", function () {
+      var start = cm.getCursor("from");
+      if (input.composing) { input.composing.range.clear(); }
+      input.composing = {
+        start: start,
+        range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"})
+      };
+    });
+    on(te, "compositionend", function () {
+      if (input.composing) {
+        input.poll();
+        input.composing.range.clear();
+        input.composing = null;
+      }
+    });
+  };
+
+  TextareaInput.prototype.createField = function (_display) {
+    // Wraps and hides input textarea
+    this.wrapper = hiddenTextarea();
+    // The semihidden textarea that is focused when the editor is
+    // focused, and receives input.
+    this.textarea = this.wrapper.firstChild;
+  };
+
+  TextareaInput.prototype.prepareSelection = function () {
+    // Redraw the selection and/or cursor
+    var cm = this.cm, display = cm.display, doc = cm.doc;
+    var result = prepareSelection(cm);
+
+    // Move the hidden textarea near the cursor to prevent scrolling artifacts
+    if (cm.options.moveInputWithCursor) {
+      var headPos = cursorCoords(cm, doc.sel.primary().head, "div");
+      var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
+      result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
+                                          headPos.top + lineOff.top - wrapOff.top));
+      result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
+                                           headPos.left + lineOff.left - wrapOff.left));
+    }
+
+    return result
+  };
+
+  TextareaInput.prototype.showSelection = function (drawn) {
+    var cm = this.cm, display = cm.display;
+    removeChildrenAndAdd(display.cursorDiv, drawn.cursors);
+    removeChildrenAndAdd(display.selectionDiv, drawn.selection);
+    if (drawn.teTop != null) {
+      this.wrapper.style.top = drawn.teTop + "px";
+      this.wrapper.style.left = drawn.teLeft + "px";
+    }
+  };
+
+  // Reset the input to correspond to the selection (or to be empty,
+  // when not typing and nothing is selected)
+  TextareaInput.prototype.reset = function (typing) {
+    if (this.contextMenuPending || this.composing) { return }
+    var cm = this.cm;
+    if (cm.somethingSelected()) {
+      this.prevInput = "";
+      var content = cm.getSelection();
+      this.textarea.value = content;
+      if (cm.state.focused) { selectInput(this.textarea); }
+      if (ie && ie_version >= 9) { this.hasSelection = content; }
+    } else if (!typing) {
+      this.prevInput = this.textarea.value = "";
+      if (ie && ie_version >= 9) { this.hasSelection = null; }
+    }
+  };
+
+  TextareaInput.prototype.getField = function () { return this.textarea };
+
+  TextareaInput.prototype.supportsTouch = function () { return false };
+
+  TextareaInput.prototype.focus = function () {
+    if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) {
+      try { this.textarea.focus(); }
+      catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM
+    }
+  };
+
+  TextareaInput.prototype.blur = function () { this.textarea.blur(); };
+
+  TextareaInput.prototype.resetPosition = function () {
+    this.wrapper.style.top = this.wrapper.style.left = 0;
+  };
+
+  TextareaInput.prototype.receivedFocus = function () { this.slowPoll(); };
+
+  // Poll for input changes, using the normal rate of polling. This
+  // runs as long as the editor is focused.
+  TextareaInput.prototype.slowPoll = function () {
+      var this$1 = this;
+
+    if (this.pollingFast) { return }
+    this.polling.set(this.cm.options.pollInterval, function () {
+      this$1.poll();
+      if (this$1.cm.state.focused) { this$1.slowPoll(); }
+    });
+  };
+
+  // When an event has just come in that is likely to add or change
+  // something in the input textarea, we poll faster, to ensure that
+  // the change appears on the screen quickly.
+  TextareaInput.prototype.fastPoll = function () {
+    var missed = false, input = this;
+    input.pollingFast = true;
+    function p() {
+      var changed = input.poll();
+      if (!changed && !missed) {missed = true; input.polling.set(60, p);}
+      else {input.pollingFast = false; input.slowPoll();}
+    }
+    input.polling.set(20, p);
+  };
+
+  // Read input from the textarea, and update the document to match.
+  // When something is selected, it is present in the textarea, and
+  // selected (unless it is huge, in which case a placeholder is
+  // used). When nothing is selected, the cursor sits after previously
+  // seen text (can be empty), which is stored in prevInput (we must
+  // not reset the textarea when typing, because that breaks IME).
+  TextareaInput.prototype.poll = function () {
+      var this$1 = this;
+
+    var cm = this.cm, input = this.textarea, prevInput = this.prevInput;
+    // Since this is called a *lot*, try to bail out as cheaply as
+    // possible when it is clear that nothing happened. hasSelection
+    // will be the case when there is a lot of text in the textarea,
+    // in which case reading its value would be expensive.
+    if (this.contextMenuPending || !cm.state.focused ||
+        (hasSelection(input) && !prevInput && !this.composing) ||
+        cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq)
+      { return false }
+
+    var text = input.value;
+    // If nothing changed, bail.
+    if (text == prevInput && !cm.somethingSelected()) { return false }
+    // Work around nonsensical selection resetting in IE9/10, and
+    // inexplicable appearance of private area unicode characters on
+    // some key combos in Mac (#2689).
+    if (ie && ie_version >= 9 && this.hasSelection === text ||
+        mac && /[\uf700-\uf7ff]/.test(text)) {
+      cm.display.input.reset();
+      return false
+    }
+
+    if (cm.doc.sel == cm.display.selForContextMenu) {
+      var first = text.charCodeAt(0);
+      if (first == 0x200b && !prevInput) { prevInput = "\u200b"; }
+      if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") }
+    }
+    // Find the part of the input that is actually new
+    var same = 0, l = Math.min(prevInput.length, text.length);
+    while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; }
+
+    runInOp(cm, function () {
+      applyTextInput(cm, text.slice(same), prevInput.length - same,
+                     null, this$1.composing ? "*compose" : null);
+
+      // Don't leave long text in the textarea, since it makes further polling slow
+      if (text.length > 1000 || text.indexOf("\n") > -1) { input.value = this$1.prevInput = ""; }
+      else { this$1.prevInput = text; }
+
+      if (this$1.composing) {
+        this$1.composing.range.clear();
+        this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"),
+                                           {className: "CodeMirror-composing"});
+      }
+    });
+    return true
+  };
+
+  TextareaInput.prototype.ensurePolled = function () {
+    if (this.pollingFast && this.poll()) { this.pollingFast = false; }
+  };
+
+  TextareaInput.prototype.onKeyPress = function () {
+    if (ie && ie_version >= 9) { this.hasSelection = null; }
+    this.fastPoll();
+  };
+
+  TextareaInput.prototype.onContextMenu = function (e) {
+    var input = this, cm = input.cm, display = cm.display, te = input.textarea;
+    if (input.contextMenuPending) { input.contextMenuPending(); }
+    var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
+    if (!pos || presto) { return } // Opera is difficult.
+
+    // Reset the current text selection only if the click is done outside of the selection
+    // and 'resetSelectionOnContextMenu' option is true.
+    var reset = cm.options.resetSelectionOnContextMenu;
+    if (reset && cm.doc.sel.contains(pos) == -1)
+      { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); }
+
+    var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText;
+    var wrapperBox = input.wrapper.offsetParent.getBoundingClientRect();
+    input.wrapper.style.cssText = "position: static";
+    te.style.cssText = "position: absolute; width: 30px; height: 30px;\n      top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\n      z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\n      outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
+    var oldScrollY;
+    if (webkit) { oldScrollY = window.scrollY; } // Work around Chrome issue (#2712)
+    display.input.focus();
+    if (webkit) { window.scrollTo(null, oldScrollY); }
+    display.input.reset();
+    // Adds "Select all" to context menu in FF
+    if (!cm.somethingSelected()) { te.value = input.prevInput = " "; }
+    input.contextMenuPending = rehide;
+    display.selForContextMenu = cm.doc.sel;
+    clearTimeout(display.detectingSelectAll);
+
+    // Select-all will be greyed out if there's nothing to select, so
+    // this adds a zero-width space so that we can later check whether
+    // it got selected.
+    function prepareSelectAllHack() {
+      if (te.selectionStart != null) {
+        var selected = cm.somethingSelected();
+        var extval = "\u200b" + (selected ? te.value : "");
+        te.value = "\u21da"; // Used to catch context-menu undo
+        te.value = extval;
+        input.prevInput = selected ? "" : "\u200b";
+        te.selectionStart = 1; te.selectionEnd = extval.length;
+        // Re-set this, in case some other handler touched the
+        // selection in the meantime.
+        display.selForContextMenu = cm.doc.sel;
+      }
+    }
+    function rehide() {
+      if (input.contextMenuPending != rehide) { return }
+      input.contextMenuPending = false;
+      input.wrapper.style.cssText = oldWrapperCSS;
+      te.style.cssText = oldCSS;
+      if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); }
+
+      // Try to detect the user choosing select-all
+      if (te.selectionStart != null) {
+        if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); }
+        var i = 0, poll = function () {
+          if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 &&
+              te.selectionEnd > 0 && input.prevInput == "\u200b") {
+            operation(cm, selectAll)(cm);
+          } else if (i++ < 10) {
+            display.detectingSelectAll = setTimeout(poll, 500);
+          } else {
+            display.selForContextMenu = null;
+            display.input.reset();
+          }
+        };
+        display.detectingSelectAll = setTimeout(poll, 200);
+      }
+    }
+
+    if (ie && ie_version >= 9) { prepareSelectAllHack(); }
+    if (captureRightClick) {
+      e_stop(e);
+      var mouseup = function () {
+        off(window, "mouseup", mouseup);
+        setTimeout(rehide, 20);
+      };
+      on(window, "mouseup", mouseup);
+    } else {
+      setTimeout(rehide, 50);
+    }
+  };
+
+  TextareaInput.prototype.readOnlyChanged = function (val) {
+    if (!val) { this.reset(); }
+    this.textarea.disabled = val == "nocursor";
+  };
+
+  TextareaInput.prototype.setUneditable = function () {};
+
+  TextareaInput.prototype.needsContentAttribute = false;
+
+  function fromTextArea(textarea, options) {
+    options = options ? copyObj(options) : {};
+    options.value = textarea.value;
+    if (!options.tabindex && textarea.tabIndex)
+      { options.tabindex = textarea.tabIndex; }
+    if (!options.placeholder && textarea.placeholder)
+      { options.placeholder = textarea.placeholder; }
+    // Set autofocus to true if this textarea is focused, or if it has
+    // autofocus and no other element is focused.
+    if (options.autofocus == null) {
+      var hasFocus = activeElt();
+      options.autofocus = hasFocus == textarea ||
+        textarea.getAttribute("autofocus") != null && hasFocus == document.body;
+    }
+
+    function save() {textarea.value = cm.getValue();}
+
+    var realSubmit;
+    if (textarea.form) {
+      on(textarea.form, "submit", save);
+      // Deplorable hack to make the submit method do the right thing.
+      if (!options.leaveSubmitMethodAlone) {
+        var form = textarea.form;
+        realSubmit = form.submit;
+        try {
+          var wrappedSubmit = form.submit = function () {
+            save();
+            form.submit = realSubmit;
+            form.submit();
+            form.submit = wrappedSubmit;
+          };
+        } catch(e) {}
+      }
+    }
+
+    options.finishInit = function (cm) {
+      cm.save = save;
+      cm.getTextArea = function () { return textarea; };
+      cm.toTextArea = function () {
+        cm.toTextArea = isNaN; // Prevent this from being ran twice
+        save();
+        textarea.parentNode.removeChild(cm.getWrapperElement());
+        textarea.style.display = "";
+        if (textarea.form) {
+          off(textarea.form, "submit", save);
+          if (!options.leaveSubmitMethodAlone && typeof textarea.form.submit == "function")
+            { textarea.form.submit = realSubmit; }
+        }
+      };
     };
-  })();
-
-  // THE END
-
-  CodeMirror.version = "5.11.0";
+
+    textarea.style.display = "none";
+    var cm = CodeMirror(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); },
+      options);
+    return cm
+  }
+
+  function addLegacyProps(CodeMirror) {
+    CodeMirror.off = off;
+    CodeMirror.on = on;
+    CodeMirror.wheelEventPixels = wheelEventPixels;
+    CodeMirror.Doc = Doc;
+    CodeMirror.splitLines = splitLinesAuto;
+    CodeMirror.countColumn = countColumn;
+    CodeMirror.findColumn = findColumn;
+    CodeMirror.isWordChar = isWordCharBasic;
+    CodeMirror.Pass = Pass;
+    CodeMirror.signal = signal;
+    CodeMirror.Line = Line;
+    CodeMirror.changeEnd = changeEnd;
+    CodeMirror.scrollbarModel = scrollbarModel;
+    CodeMirror.Pos = Pos;
+    CodeMirror.cmpPos = cmp;
+    CodeMirror.modes = modes;
+    CodeMirror.mimeModes = mimeModes;
+    CodeMirror.resolveMode = resolveMode;
+    CodeMirror.getMode = getMode;
+    CodeMirror.modeExtensions = modeExtensions;
+    CodeMirror.extendMode = extendMode;
+    CodeMirror.copyState = copyState;
+    CodeMirror.startState = startState;
+    CodeMirror.innerMode = innerMode;
+    CodeMirror.commands = commands;
+    CodeMirror.keyMap = keyMap;
+    CodeMirror.keyName = keyName;
+    CodeMirror.isModifierKey = isModifierKey;
+    CodeMirror.lookupKey = lookupKey;
+    CodeMirror.normalizeKeyMap = normalizeKeyMap;
+    CodeMirror.StringStream = StringStream;
+    CodeMirror.SharedTextMarker = SharedTextMarker;
+    CodeMirror.TextMarker = TextMarker;
+    CodeMirror.LineWidget = LineWidget;
+    CodeMirror.e_preventDefault = e_preventDefault;
+    CodeMirror.e_stopPropagation = e_stopPropagation;
+    CodeMirror.e_stop = e_stop;
+    CodeMirror.addClass = addClass;
+    CodeMirror.contains = contains;
+    CodeMirror.rmClass = rmClass;
+    CodeMirror.keyNames = keyNames;
+  }
+
+  // EDITOR CONSTRUCTOR
+
+  defineOptions(CodeMirror);
+
+  addEditorMethods(CodeMirror);
+
+  // Set up methods on CodeMirror's prototype to redirect to the editor's document.
+  var dontDelegate = "iter insert remove copy getEditor constructor".split(" ");
+  for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)
+    { CodeMirror.prototype[prop] = (function(method) {
+      return function() {return method.apply(this.doc, arguments)}
+    })(Doc.prototype[prop]); } }
+
+  eventMixin(Doc);
+  CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput};
+
+  // Extra arguments are stored as the mode's dependencies, which is
+  // used by (legacy) mechanisms like loadmode.js to automatically
+  // load a mode. (Preferred mechanism is the require/define calls.)
+  CodeMirror.defineMode = function(name/*, mode, …*/) {
+    if (!CodeMirror.defaults.mode && name != "null") { CodeMirror.defaults.mode = name; }
+    defineMode.apply(this, arguments);
+  };
+
+  CodeMirror.defineMIME = defineMIME;
+
+  // Minimal default mode.
+  CodeMirror.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); });
+  CodeMirror.defineMIME("text/plain", "null");
+
+  // EXTENSIONS
+
+  CodeMirror.defineExtension = function (name, func) {
+    CodeMirror.prototype[name] = func;
+  };
+  CodeMirror.defineDocExtension = function (name, func) {
+    Doc.prototype[name] = func;
+  };
+
+  CodeMirror.fromTextArea = fromTextArea;
+
+  addLegacyProps(CodeMirror);
+
+  CodeMirror.version = "5.49.2";
 
   return CodeMirror;
-});
+
+})));

rhodecode/public/js/src/codemirror/codemirror_hint.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -46,6 +46,10 b''
     completion.update(true);
   });
 
+  CodeMirror.defineExtension("closeHint", function() {
+    if (this.state.completionActive) this.state.completionActive.close()
+  })
+
   function Completion(cm, options) {
     this.cm = cm;
     this.options = options;
@@ -98,7 +102,7 b''
       var pos = this.cm.getCursor(), line = this.cm.getLine(pos.line);
       if (pos.line != this.startPos.line || line.length - pos.ch != this.startLen - this.startPos.ch ||
           pos.ch < this.startPos.ch || this.cm.somethingSelected() ||
-          (pos.ch && this.options.closeCharacters.test(line.charAt(pos.ch - 1)))) {
+          (!pos.ch || this.options.closeCharacters.test(line.charAt(pos.ch - 1)))) {
         this.close();
       } else {
         var self = this;
@@ -108,24 +112,21 b''
     },
 
     update: function(first) {
-      if (this.tick == null) return;
-      if (!this.options.hint.async) {
-        this.finishUpdate(this.options.hint(this.cm, this.options), first);
-      } else {
-        var myTick = ++this.tick, self = this;
-        this.options.hint(this.cm, function(data) {
-          if (self.tick == myTick) self.finishUpdate(data, first);
-        }, this.options);
-      }
+      if (this.tick == null) return
+      var self = this, myTick = ++this.tick
+      fetchHints(this.options.hint, this.cm, this.options, function(data) {
+        if (self.tick == myTick) self.finishUpdate(data, first)
+      })
     },
 
     finishUpdate: function(data, first) {
       if (this.data) CodeMirror.signal(this.data, "update");
-      if (data && this.data && CodeMirror.cmpPos(data.from, this.data.from)) data = null;
-      this.data = data;
 
       var picked = (this.widget && this.widget.picked) || (first && this.options.completeSingle);
       if (this.widget) this.widget.close();
+
+      this.data = data;
+
       if (data && data.list.length) {
         if (picked && data.list.length == 1) {
           this.pick(data, 0);
@@ -166,6 +167,14 b''
       Tab: handle.pick,
       Esc: handle.close
     };
+
+    var mac = /Mac/.test(navigator.platform);
+
+    if (mac) {
+      baseMap["Ctrl-P"] = function() {handle.moveFocus(-1);};
+      baseMap["Ctrl-N"] = function() {handle.moveFocus(1);};
+    }
+
     var custom = completion.options.customKeys;
     var ourMap = custom ? {} : baseMap;
     function addBinding(key, val) {
@@ -201,43 +210,61 b''
     this.data = data;
     this.picked = false;
     var widget = this, cm = completion.cm;
+    var ownerDocument = cm.getInputField().ownerDocument;
+    var parentWindow = ownerDocument.defaultView || ownerDocument.parentWindow;
 
-    var hints = this.hints = document.createElement("ul");
-    hints.className = "CodeMirror-hints";
+    var hints = this.hints = ownerDocument.createElement("ul");
+    var theme = completion.cm.options.theme;
+    hints.className = "CodeMirror-hints " + theme;
     this.selectedHint = data.selectedHint || 0;
 
     var completions = data.list;
     for (var i = 0; i < completions.length; ++i) {
-      var elt = hints.appendChild(document.createElement("li")), cur = completions[i];
+      var elt = hints.appendChild(ownerDocument.createElement("li")), cur = completions[i];
       var className = HINT_ELEMENT_CLASS + (i != this.selectedHint ? "" : " " + ACTIVE_HINT_ELEMENT_CLASS);
       if (cur.className != null) className = cur.className + " " + className;
       elt.className = className;
       if (cur.render) cur.render(elt, data, cur);
-      else elt.appendChild(document.createTextNode(cur.displayText || getText(cur)));
+      else elt.appendChild(ownerDocument.createTextNode(cur.displayText || getText(cur)));
       elt.hintId = i;
     }
 
+    var container = completion.options.container || ownerDocument.body;
     var pos = cm.cursorCoords(completion.options.alignWithWord ? data.from : null);
     var left = pos.left, top = pos.bottom, below = true;
-    hints.style.left = left + "px";
-    hints.style.top = top + "px";
+    var offsetLeft = 0, offsetTop = 0;
+    if (container !== ownerDocument.body) {
+      // We offset the cursor position because left and top are relative to the offsetParent's top left corner.
+      var isContainerPositioned = ['absolute', 'relative', 'fixed'].indexOf(parentWindow.getComputedStyle(container).position) !== -1;
+      var offsetParent = isContainerPositioned ? container : container.offsetParent;
+      var offsetParentPosition = offsetParent.getBoundingClientRect();
+      var bodyPosition = ownerDocument.body.getBoundingClientRect();
+      offsetLeft = (offsetParentPosition.left - bodyPosition.left - offsetParent.scrollLeft);
+      offsetTop = (offsetParentPosition.top - bodyPosition.top - offsetParent.scrollTop);
+    }
+    hints.style.left = (left - offsetLeft) + "px";
+    hints.style.top = (top - offsetTop) + "px";
+
     // If we're at the edge of the screen, then we want the menu to appear on the left of the cursor.
-    var winW = window.innerWidth || Math.max(document.body.offsetWidth, document.documentElement.offsetWidth);
-    var winH = window.innerHeight || Math.max(document.body.offsetHeight, document.documentElement.offsetHeight);
-    (completion.options.container || document.body).appendChild(hints);
+    var winW = parentWindow.innerWidth || Math.max(ownerDocument.body.offsetWidth, ownerDocument.documentElement.offsetWidth);
+    var winH = parentWindow.innerHeight || Math.max(ownerDocument.body.offsetHeight, ownerDocument.documentElement.offsetHeight);
+    container.appendChild(hints);
     var box = hints.getBoundingClientRect(), overlapY = box.bottom - winH;
+    var scrolls = hints.scrollHeight > hints.clientHeight + 1
+    var startScroll = cm.getScrollInfo();
+
     if (overlapY > 0) {
       var height = box.bottom - box.top, curTop = pos.top - (pos.bottom - box.top);
       if (curTop - height > 0) { // Fits above cursor
-        hints.style.top = (top = pos.top - height) + "px";
+        hints.style.top = (top = pos.top - height - offsetTop) + "px";
         below = false;
       } else if (height > winH) {
         hints.style.height = (winH - 5) + "px";
-        hints.style.top = (top = pos.bottom - box.top) + "px";
+        hints.style.top = (top = pos.bottom - box.top - offsetTop) + "px";
         var cursor = cm.getCursor();
         if (data.from.ch != cursor.ch) {
           pos = cm.cursorCoords(cursor);
-          hints.style.left = (left = pos.left) + "px";
+          hints.style.left = (left = pos.left - offsetLeft) + "px";
           box = hints.getBoundingClientRect();
         }
       }
@@ -248,8 +275,10 b''
         hints.style.width = (winW - 5) + "px";
         overlapX -= (box.right - box.left) - winW;
       }
-      hints.style.left = (left = pos.left - overlapX) + "px";
+      hints.style.left = (left = pos.left - overlapX - offsetLeft) + "px";
     }
+    if (scrolls) for (var node = hints.firstChild; node; node = node.nextSibling)
+      node.style.paddingRight = cm.display.nativeBarWidth + "px"
 
     cm.addKeyMap(this.keyMap = buildKeyMap(completion, {
       moveFocus: function(n, avoidWrap) { widget.changeActive(widget.selectedHint + n, avoidWrap); },
@@ -267,11 +296,10 b''
       cm.on("focus", this.onFocus = function() { clearTimeout(closingOnBlur); });
     }
 
-    var startScroll = cm.getScrollInfo();
     cm.on("scroll", this.onScroll = function() {
       var curScroll = cm.getScrollInfo(), editor = cm.getWrapperElement().getBoundingClientRect();
       var newTop = top + startScroll.top - curScroll.top;
-      var point = newTop - (window.pageYOffset || (document.documentElement || document.body).scrollTop);
+      var point = newTop - (parentWindow.pageYOffset || (ownerDocument.documentElement || ownerDocument.body).scrollTop);
       if (!below) point += hints.offsetHeight;
       if (point <= editor.top || point >= editor.bottom) return completion.close();
       hints.style.top = newTop + "px";
@@ -295,7 +323,7 b''
       setTimeout(function(){cm.focus();}, 20);
     });
 
-    CodeMirror.signal(data, "select", completions[0], hints.firstChild);
+    CodeMirror.signal(data, "select", completions[this.selectedHint], hints.childNodes[this.selectedHint]);
     return true;
   }
 
@@ -332,7 +360,7 b''
         i = avoidWrap ? 0  : this.data.list.length - 1;
       if (this.selectedHint == i) return;
       var node = this.hints.childNodes[this.selectedHint];
-      node.className = node.className.replace(" " + ACTIVE_HINT_ELEMENT_CLASS, "");
+      if (node) node.className = node.className.replace(" " + ACTIVE_HINT_ELEMENT_CLASS, "");
       node = this.hints.childNodes[this.selectedHint = i];
       node.className += " " + ACTIVE_HINT_ELEMENT_CLASS;
       if (node.offsetTop < this.hints.scrollTop)
@@ -355,40 +383,31 b''
     return result
   }
 
+  function fetchHints(hint, cm, options, callback) {
+    if (hint.async) {
+      hint(cm, callback, options)
+    } else {
+      var result = hint(cm, options)
+      if (result && result.then) result.then(callback)
+      else callback(result)
+    }
+  }
+
   function resolveAutoHints(cm, pos) {
     var helpers = cm.getHelpers(pos, "hint"), words
     if (helpers.length) {
-      var async = false, resolved
-      for (var i = 0; i < helpers.length; i++) if (helpers[i].async) async = true
-      if (async) {
-        resolved = function(cm, callback, options) {
-          var app = applicableHelpers(cm, helpers)
-          function run(i, result) {
-            if (i == app.length) return callback(null)
-            var helper = app[i]
-            if (helper.async) {
-              helper(cm, function(result) {
-                if (result) callback(result)
-                else run(i + 1)
-              }, options)
-            } else {
-              var result = helper(cm, options)
-              if (result) callback(result)
-              else run(i + 1)
-            }
-          }
-          run(0)
+      var resolved = function(cm, callback, options) {
+        var app = applicableHelpers(cm, helpers);
+        function run(i) {
+          if (i == app.length) return callback(null)
+          fetchHints(app[i], cm, options, function(result) {
+            if (result && result.list.length > 0) callback(result)
+            else run(i + 1)
+          })
         }
-        resolved.async = true
-      } else {
-        resolved = function(cm, options) {
-          var app = applicableHelpers(cm, helpers)
-          for (var i = 0; i < app.length; i++) {
-            var cur = app[i](cm, options)
-            if (cur && cur.list.length) return cur
-          }
-        }
+        run(0)
       }
+      resolved.async = true
       resolved.supportsSelection = true
       return resolved
     } else if (words = cm.getHelper(cm.getCursor(), "hintWords")) {
@@ -405,12 +424,13 b''
   });
 
   CodeMirror.registerHelper("hint", "fromList", function(cm, options) {
-    var cur = cm.getCursor(), token = cm.getTokenAt(cur);
-    var to = CodeMirror.Pos(cur.line, token.end);
-    if (token.string && /\w/.test(token.string[token.string.length - 1])) {
-      var term = token.string, from = CodeMirror.Pos(cur.line, token.start);
+    var cur = cm.getCursor(), token = cm.getTokenAt(cur)
+    var term, from = CodeMirror.Pos(cur.line, token.start), to = cur
+    if (token.start < cur.ch && /\w/.test(token.string.charAt(cur.ch - token.start - 1))) {
+      term = token.string.substr(0, cur.ch - token.start)
     } else {
-      var term = "", from = to;
+      term = ""
+      from = cur
     }
     var found = [];
     for (var i = 0; i < options.words.length; i++) {

rhodecode/public/js/src/codemirror/codemirror_loadmode.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS

rhodecode/public/js/src/codemirror/codemirror_overlay.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 // Utility function that allows modes to be combined. The mode given
 // as the base argument takes care of most of the normal mode
@@ -68,16 +68,21 b' CodeMirror.overlayMode = function(base, '
       else return state.overlayCur;
     },
 
-    indent: base.indent && function(state, textAfter) {
-      return base.indent(state.base, textAfter);
+    indent: base.indent && function(state, textAfter, line) {
+      return base.indent(state.base, textAfter, line);
     },
     electricChars: base.electricChars,
 
     innerMode: function(state) { return {state: state.base, mode: base}; },
 
     blankLine: function(state) {
-      if (base.blankLine) base.blankLine(state.base);
-      if (overlay.blankLine) overlay.blankLine(state.overlay);
+      var baseToken, overlayToken;
+      if (base.blankLine) baseToken = base.blankLine(state.base);
+      if (overlay.blankLine) overlayToken = overlay.blankLine(state.overlay);
+
+      return overlayToken == null ?
+        baseToken :
+        (combine && baseToken != null ? baseToken + " " + overlayToken : overlayToken);
     }
   };
 };

rhodecode/public/js/src/codemirror/codemirror_placeholder.js

@@ -1,5 +1,5 b''
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
+// Distributed under an MIT license: https://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
@@ -14,10 +14,12 b''
     if (val && !prev) {
       cm.on("blur", onBlur);
       cm.on("change", onChange);
+      cm.on("swapDoc", onChange);
       onChange(cm);
     } else if (!val && prev) {
       cm.off("blur", onBlur);
       cm.off("change", onChange);
+      cm.off("swapDoc", onChange);
       clearPlaceholder(cm);
       var wrapper = cm.getWrapperElement();
       wrapper.className = wrapper.className.replace(" CodeMirror-empty", "");
@@ -36,7 +38,8 b''
     clearPlaceholder(cm);
     var elt = cm.state.placeholder = document.createElement("pre");
     elt.style.cssText = "height: 0; overflow: visible";
-    elt.className = "CodeMirror-placeholder";
+    elt.style.direction = cm.getOption("direction");
+    elt.className = "CodeMirror-placeholder CodeMirror-line-like";
     var placeHolder = cm.getOption("placeholder")
     if (typeof placeHolder == "string") placeHolder = document.createTextNode(placeHolder)
     elt.appendChild(placeHolder)