cleanup whitespace

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

@@ -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;
                 }

IPython/html/static/notebook/js/codemirror-ipython.js

@@ -36,4 +36,3
 
     CodeMirror.defineMIME("text/x-ipython", "ipython");
 })
-

IPython/html/static/notebook/js/codemirror-ipythongfm.js

@@ -59,6 +59,4
     }, 'gfm');
     
     CodeMirror.defineMIME("text/x-ipythongfm", "ipythongfm");
-
-
 })