diff --git a/IPython/html/static/notebook/js/cell.js b/IPython/html/static/notebook/js/cell.js
index 9ee8cf0..3a25a51 100644
--- a/IPython/html/static/notebook/js/cell.js
+++ b/IPython/html/static/notebook/js/cell.js
@@ -30,9 +30,9 @@ define([
          * @param:
          *  options: dictionary
          *      Dictionary of keyword arguments.
-         *          events: $(Events) instance 
+         *          events: $(Events) instance
          *          config: dictionary
-         *          keyboard_manager: KeyboardManager instance 
+         *          keyboard_manager: KeyboardManager instance
          */
         options = options || {};
         this.keyboard_manager = options.keyboard_manager;
@@ -183,7 +183,7 @@ define([
         if((cur.line !== 0 || cur.ch !==0) && event.keyCode === 38){
             event._ipkmIgnore = true;
         }
-        var nLastLine = editor.lastLine() 
+        var nLastLine = editor.lastLine()
         if(    ( event.keyCode === 40)
             && (( cur.line !== nLastLine)
             ||  ( cur.ch   !== editor.getLineHandle(nLastLine).text.length))
@@ -192,8 +192,8 @@ define([
         }
         // if this is an edit_shortcuts shortcut, the global keyboard/shortcut
         // manager will handle it
-        if (shortcuts.handles(event)) { 
-            return true; 
+        if (shortcuts.handles(event)) {
+            return true;
         }
         
         return false;
@@ -543,26 +543,26 @@ define([
                     }
                     var open = modes[mode].open || "%%";
                     var close = modes[mode].close || "%%end";
-                    var mmode = mode;
-                    mode = mmode.substr(6);
-                    if(current_mode == mmode){
+                    var magic_mode = mode;
+                    mode = magic_mode.substr(6);
+                    if(current_mode == magic_mode){
                         return;
                     }
                     utils.requireCodeMirrorMode(mode, function () {
                         // create on the fly a mode that switch between
                         // plain/text and something else, otherwise `%%` is
                         // source of some highlight issues.
-                        CodeMirror.defineMode(mmode, function(config) {
+                        CodeMirror.defineMode(magic_mode, function(config) {
                             return CodeMirror.multiplexingMode(
                                 CodeMirror.getMode(config, 'text/plain'),
-                                // always set someting on close
+                                // always set something on close
                                 {open: open, close: close,
                                  mode: CodeMirror.getMode(config, mode),
                                  delimStyle: "delimit"
                                 }
                             );
                         });
-                        that.code_mirror.setOption('mode', mmode);
+                        that.code_mirror.setOption('mode', magic_mode);
                     });
                     return;
                 }
diff --git a/IPython/html/static/notebook/js/codemirror-ipython.js b/IPython/html/static/notebook/js/codemirror-ipython.js
index 7b9efdb..b58229a 100644
--- a/IPython/html/static/notebook/js/codemirror-ipython.js
+++ b/IPython/html/static/notebook/js/codemirror-ipython.js
@@ -5,18 +5,18 @@
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object"){ // CommonJS
-    mod(require("codemirror/lib/codemirror"), 
+    mod(require("codemirror/lib/codemirror"),
         require("codemirror/mode/python/python")
         );
   } else if (typeof define == "function" && define.amd){ // AMD
-    define(["codemirror/lib/codemirror", 
+    define(["codemirror/lib/codemirror",
             "codemirror/mode/python/python"], mod);
   } else {// Plain browser env
     mod(CodeMirror);
   }
 })(function(CodeMirror) {
     "use strict";
-    
+
     CodeMirror.defineMode("ipython", function(conf, parserConf) {
         var pythonConf = {};
         for (var prop in parserConf) {
@@ -36,4 +36,3 @@
 
     CodeMirror.defineMIME("text/x-ipython", "ipython");
 })
-
diff --git a/IPython/html/static/notebook/js/codemirror-ipythongfm.js b/IPython/html/static/notebook/js/codemirror-ipythongfm.js
index 5493caf..9a6bbc3 100644
--- a/IPython/html/static/notebook/js/codemirror-ipythongfm.js
+++ b/IPython/html/static/notebook/js/codemirror-ipythongfm.js
@@ -1,7 +1,7 @@
-// IPython GFM (GitHub Flavored Markdown) mode is just a slightly altered GFM 
-// Mode with support for latex. 
+// IPython GFM (GitHub Flavored Markdown) mode is just a slightly altered GFM
+// Mode with support for latex.
 //
-// Latex support was supported by Codemirror GFM as of 
+// Latex support was supported by Codemirror GFM as of
 //   https://github.com/codemirror/CodeMirror/pull/567
 // But was later removed in
 //   https://github.com/codemirror/CodeMirror/commit/d9c9f1b1ffe984aee41307f3e927f80d1f23590c
@@ -15,7 +15,7 @@
         ,require("codemirror/mode/stex/stex")
         );
   } else if (typeof define == "function" && define.amd){ // AMD
-    define(["codemirror/lib/codemirror" 
+    define(["codemirror/lib/codemirror"
             ,"codemirror/addon/mode/multiplex"
             ,"codemirror/mode/python/python"
             ,"codemirror/mode/stex/stex"
@@ -27,10 +27,10 @@
     "use strict";
 
     CodeMirror.defineMode("ipythongfm", function(config, parserConfig) {
-        
+
         var gfm_mode = CodeMirror.getMode(config, "gfm");
         var tex_mode = CodeMirror.getMode(config, "stex");
-        
+
         return CodeMirror.multiplexingMode(
             gfm_mode,
             {
@@ -57,8 +57,6 @@
             // .. more multiplexed styles can follow here
         );
     }, 'gfm');
-    
-    CodeMirror.defineMIME("text/x-ipythongfm", "ipythongfm");
-
 
+    CodeMirror.defineMIME("text/x-ipythongfm", "ipythongfm");
 })