Fixing auto-indent issues in CodeMirror config.

* Block-level indent/dedent works.
* Tab in docstrings works.

IPython/frontend/html/notebook/static/js/cell.js

@@ -13,6 +13,7 b' var IPython = (function (IPython) {'
 
     var utils = IPython.utils;
 
+
     var Cell = function (notebook) {
         this.placeholder = this.placeholder || '';
         this.notebook = notebook;
@@ -24,16 +25,17 b' var IPython = (function (IPython) {'
         this.element = null;
         this.create_element();
         if (this.element !== null) {
-            this.set_autoindent(true);
             this.element.data("cell", this);
             this.bind_events();
         }
         this.cell_id = utils.uuid();
     };
 
+
     // Subclasses must implement create_element.
     Cell.prototype.create_element = function () {};
 
+
     Cell.prototype.bind_events = function () {
         var that = this;
         var nb = that.notebook;
@@ -49,6 +51,7 b' var IPython = (function (IPython) {'
         });
     };
 
+
     // typeset with MathJax if MathJax is available
     Cell.prototype.typeset = function () {
         if (window.MathJax){
@@ -121,6 +124,7 b' var IPython = (function (IPython) {'
         return text;
     };
 
+
     Cell.prototype.grow = function(element) {
         // Grow the cell by hand. This is used upon reloading from JSON, when the
         // autogrow handler is not called.
@@ -138,16 +142,6 b' var IPython = (function (IPython) {'
     };
 
 
-    Cell.prototype.set_autoindent = function (state) {
-        if (state) {
-            this.code_mirror.setOption('tabMode', 'indent');
-            this.code_mirror.setOption('enterMode', 'indent');
-        } else {
-            this.code_mirror.setOption('tabMode', 'shift');
-            this.code_mirror.setOption('enterMode', 'flat');
-        }
-    };
-
     IPython.Cell = Cell;
 
     return IPython;

IPython/frontend/html/notebook/static/js/notebook.js

@@ -32,7 +32,6 b' var IPython = (function (IPython) {'
         this.set_tooltipontab(true);
         this.set_smartcompleter(true);
         this.set_timebeforetooltip(1200);
-        this.set_autoindent(true);
     };
 
 
@@ -723,6 +722,7 b' var IPython = (function (IPython) {'
         };
     };
 
+
     // Cell collapsing and output clearing
 
     Notebook.prototype.collapse = function (index) {
@@ -750,22 +750,16 b' var IPython = (function (IPython) {'
         this.time_before_tooltip = time;
     };
 
+
     Notebook.prototype.set_tooltipontab = function (state) {
         this.tooltip_on_tab = state;
     };
 
+
     Notebook.prototype.set_smartcompleter = function (state) {
         this.smart_completer = state;
     };
 
-    Notebook.prototype.set_autoindent = function (state) {
-        var cells = this.get_cells();
-        len = cells.length;
-        for (var i=0; i<len; i++) {
-            cells[i].set_autoindent(state);
-        };
-    };
-
 
     Notebook.prototype.clear_all_output = function () {
         var ncells = this.ncells();
@@ -778,6 +772,7 b' var IPython = (function (IPython) {'
         this.dirty = true;
     };
 
+
     // Other cell functions: line numbers, ...
 
     Notebook.prototype.cell_toggle_line_numbers = function() {