diff --git a/lib/ace/mouse/mouse_handler.js b/lib/ace/mouse/mouse_handler.js
index 6b331eee..596d8503 100644
--- a/lib/ace/mouse/mouse_handler.js
+++ b/lib/ace/mouse/mouse_handler.js
@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2010, Ajax.org B.V.
  * All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *     * Redistributions of source code must retain the above copyright
@@ -14,7 +14,7 @@
  *     * Neither the name of Ajax.org B.V. nor the
  *       names of its contributors may be used to endorse or promote products
  *       derived from this software without specific prior written permission.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
@@ -46,15 +46,15 @@ var MouseHandler = function(editor) {
     new DefaultHandlers(this);
     new DefaultGutterHandler(this);
     new DragdropHandler(this);
-    
+
     var focusEditor = function(e) {
-        // because we have to call event.preventDefault() any window on ie and iframes 
+        // because we have to call event.preventDefault() any window on ie and iframes
         // on other browsers do not get focus, so we have to call window.focus() here
         if (!document.hasFocus || !document.hasFocus())
             window.focus();
         editor.focus();
     };
-    
+
     var mouseTarget = editor.renderer.getMouseEventTarget();
     event.addListener(mouseTarget, "click", this.onMouseEvent.bind(this, "click"));
     event.addListener(mouseTarget, "mousemove", this.onMouseMove.bind(this, "mousemove"));
@@ -85,12 +85,12 @@ var MouseHandler = function(editor) {
     editor.on("mousemove", function(e){
         if (_self.state || _self.$dragDelay || !_self.$dragEnabled)
             return;
-        
-        var char = editor.renderer.screenToTextCoordinates(e.x, e.y);
+
+        var character = editor.renderer.screenToTextCoordinates(e.x, e.y);
         var range = editor.session.selection.getRange();
         var renderer = editor.renderer;
 
-        if (!range.isEmpty() && range.insideStart(char.row, char.column)) {
+        if (!range.isEmpty() && range.insideStart(character.row, character.column)) {
             renderer.setCursorStyle("default");
         } else {
             renderer.setCursorStyle("");