diff --git a/lib/ace/edit_session.js b/lib/ace/edit_session.js
index e9e2a66a..7fbf4517 100644
--- a/lib/ace/edit_session.js
+++ b/lib/ace/edit_session.js
@@ -56,9 +56,9 @@ var EditSession = function(text, mode) {
     if (mode) {
         this.setMode(mode);
     }
-    
+
     if (text instanceof Document) {
-        this.setDocument(text)
+        this.setDocument(text);
     } else {
         this.setDocument(new Document(text));
     }
@@ -72,15 +72,15 @@ var EditSession = function(text, mode) {
     this.setDocument = function(doc) {
         if (this.doc)
             throw new Error("Document is already set");
-            
+
         this.doc = doc;
         doc.on("change", this.onChange.bind(this));
     };
-    
+
     this.getDocument = function() {
         return this.doc;
     };
-    
+
     this.onChange = function(e) {
         var delta = e.data;
         this.$modified = true;
@@ -100,7 +100,7 @@ var EditSession = function(text, mode) {
     this.toString = function() {
         return this.doc.getValue();
     };
-    
+
     this.getSelection = function() {
         return this.selection;
     };
@@ -166,7 +166,7 @@ var EditSession = function(text, mode) {
     this.getTabSize = function() {
         return this.$tabSize;
     };
-    
+
     this.isTabStop = function(position) {
         return this.$useSoftTabs && (position.column % this.$tabSize == 0);
     };
@@ -206,13 +206,13 @@ var EditSession = function(text, mode) {
             this.$autoNewLine = "\n";
         }
     };
-    
+
     this.tokenRe = /^[\w\d]+/g;
     this.nonTokenRe = /^[^\w\d]+/g;
-    
+
     this.getWordRange = function(row, column) {
         var line = this.getLine(row);
-        
+
         var inToken = false;
         if (column > 0) {
             inToken = !!line.charAt(column - 1).match(this.tokenRe);
@@ -311,12 +311,12 @@ var EditSession = function(text, mode) {
     };
 
     /**
-     * Get a verbatim copy of the given line as it is in the document 
+     * Get a verbatim copy of the given line as it is in the document
      */
     this.getLine = function(row) {
         return this.doc.getLine(row);
     };
-    
+
     /**
      * Get a line as it is displayed on screen. Tabs are replaced by spaces.
      */
@@ -432,16 +432,16 @@ var EditSession = function(text, mode) {
     this.insert = function(position, text) {
         return this.doc.insert(position, text);
     };
-    
+
     /**
      * @param rows Array[Integer] sorted list of rows
      */
-    this.multiRowInsert = function(rows, column, text) {        
+    this.multiRowInsert = function(rows, column, text) {
         for (var i=rows.length-1; i>=0; i--) {
             var row = rows[i];
             if (row >= this.doc.getLength())
                 continue;
-                
+
             var diff = column - this.doc.getLine(row).length;
             if ( diff > 0) {
                 var padded = lang.stringRepeat(" ", diff) + text;
@@ -451,14 +451,14 @@ var EditSession = function(text, mode) {
                 padded = text;
                 offset = 0;
             }
-                
+
             var end = this.insert({row: row, column: column+offset}, padded);
         }
-        
+
         return {
             rows: end ? end.row - rows[0] : 0,
             columns: end ? end.column - column : 0
-        }
+        };
     };
 
     this.remove = function(range) {
@@ -468,52 +468,52 @@ var EditSession = function(text, mode) {
     this.multiRowRemove = function(rows, range) {
         if (range.start.row !== rows[0])
             throw new TypeError("range must start in the first row!");
-            
+
         var height = range.end.row - rows[0];
         for (var i=rows.length-1; i>=0; i--) {
             var row = rows[i];
             if (row >= this.doc.getLength())
                 continue;
-                
+
             var end = this.remove(new Range(row, range.start.column, row+height, range.end.column));
         }
     };
-    
+
     this.undoChanges = function(deltas) {
         if (!deltas.length)
             return;
-            
+
         this.$fromUndo = true;
         this.doc.revertDeltas(deltas);
         this.$fromUndo = false;
-        
+
         // update the selection
         var firstDelta = deltas[0];
         var lastDelta = deltas[deltas.length-1];
-        
+
         this.selection.clearSelection();
-        if (firstDelta.action == "insertText" || firstDelta.action == "insertLines")
+        if (firstDelta.action == "insertText" || firstDelta.action == "insertLines")
             this.selection.moveCursorToPosition(firstDelta.range.start);
-        if (firstDelta.action == "removeText" || firstDelta.action == "removeLines")
+        if (firstDelta.action == "removeText" || firstDelta.action == "removeLines")
             this.selection.setSelectionRange(Range.fromPoints(firstDelta.range.start, lastDelta.range.end));
     },
 
     this.redoChanges = function(deltas) {
         if (!deltas.length)
             return;
-            
+
         this.$fromUndo = true;
         this.doc.applyDeltas(deltas);
         this.$fromUndo = false;
-        
+
         // update the selection
         var firstDelta = deltas[0];
         var lastDelta = deltas[deltas.length-1];
-        
+
         this.selection.clearSelection();
-        if (firstDelta.action == "insertText" || firstDelta.action == "insertLines")
+        if (firstDelta.action == "insertText" ||firstDelta.action == "insertLines")
             this.selection.setSelectionRange(Range.fromPoints(firstDelta.range.start, lastDelta.range.end));
-        if (firstDelta.action == "removeText" || firstDelta.action == "removeLines")
+        if (firstDelta.action == "removeText" ||firstDelta.action == "removeLines")
             this.selection.moveCursorToPosition(firstDelta.range.start);
     },
 
@@ -533,15 +533,15 @@ var EditSession = function(text, mode) {
         var rowRange = range.collapseRows();
         var deleteRange = new Range(0, 0, 0, 0);
         var size = this.getTabSize();
-        
+
         for (var i = rowRange.start.row; i <= rowRange.end.row; ++i) {
             var line = this.getLine(i);
-            
+
             deleteRange.start.row = i;
             deleteRange.end.row = i;
             for (var j = 0; j < size; ++j)
                 if (line.charAt(j) != ' ')
-                    break;            
+                    break;
             if (j < size && line.charAt(j) == '\t') {
                 deleteRange.start.column = j;
                 deleteRange.end.column = j + 1;
@@ -556,7 +556,7 @@ var EditSession = function(text, mode) {
             this.remove(deleteRange);
         }
         return range;
-    }    
+    };
 
     this.moveLinesUp = function(firstRow, lastRow) {
         if (firstRow <= 0) return 0;