diff --git a/lib/ace/editor.js b/lib/ace/editor.js
index 171886ab..01256ee3 100644
--- a/lib/ace/editor.js
+++ b/lib/ace/editor.js
@@ -507,8 +507,8 @@ var Editor =function(renderer, session) {
             if (shouldOutdent) {
                 mode.autoOutdent(lineState, session, cursor.row);
             }
-        };
-    }
+        }
+    };
 
     this.onTextInput = function(text) {
         this.keyBinding.onTextInput(text);
diff --git a/lib/ace/virtual_renderer.js b/lib/ace/virtual_renderer.js
index 729e9af5..9d7ce7f8 100644
--- a/lib/ace/virtual_renderer.js
+++ b/lib/ace/virtual_renderer.js
@@ -278,7 +278,7 @@ var VirtualRenderer = function(container, theme) {
 
     this.getShowGutter = function(){
         return this.showGutter;
-    }
+    };
 
     this.setShowGutter = function(show){
         if(this.showGutter === show)
@@ -286,10 +286,10 @@ var VirtualRenderer = function(container, theme) {
         this.$gutter.style.display = show ? "block" : "none";
         this.showGutter = show;
         this.onResize(true);
-    }
+    };
 
     this.$updatePrintMargin = function() {
-        var containerEl
+        var containerEl;
 
         if (!this.$showPrintMargin && !this.$printMarginEl)
             return;
@@ -297,7 +297,7 @@ var VirtualRenderer = function(container, theme) {
         if (!this.$printMarginEl) {
             containerEl = dom.createElement("div");
             containerEl.className = "ace_print_margin_layer";
-            this.$printMarginEl = dom.createElement("div")
+            this.$printMarginEl = dom.createElement("div");
             this.$printMarginEl.className = "ace_print_margin";
             containerEl.appendChild(this.$printMarginEl);
             this.content.insertBefore(containerEl, this.$textLayer.element);
@@ -344,8 +344,8 @@ var VirtualRenderer = function(container, theme) {
         if (!this.layerConfig)
             return 0;
 
-        return this.layerConfig.firstRow + (this.layerConfig.offset == 0 ? 0 : 1);
-    }
+        return this.layerConfig.firstRow + (this.layerConfig.offset === 0 ? 0 : 1);
+    };
 
     this.getLastFullyVisibleRow = function() {
         if (!this.layerConfig)
@@ -353,7 +353,7 @@ var VirtualRenderer = function(container, theme) {
 
         var flint = Math.floor((this.layerConfig.height + this.layerConfig.offset) / this.layerConfig.lineHeight);
         return this.layerConfig.firstRow - 1 + flint;
-    }
+    };
 
     this.getLastVisibleRow = function() {
         return (this.layerConfig || {}).lastRow || 0;
@@ -369,7 +369,7 @@ var VirtualRenderer = function(container, theme) {
 
     this.getHScrollBarAlwaysVisible = function() {
         return this.$horizScrollAlwaysVisible;
-    }
+    };
 
     this.setHScrollBarAlwaysVisible = function(alwaysVisible) {
         if (this.$horizScrollAlwaysVisible != alwaysVisible) {
@@ -377,7 +377,7 @@ var VirtualRenderer = function(container, theme) {
             if (!this.$horizScrollAlwaysVisible || !this.$horizScroll)
                 this.$loop.schedule(this.CHANGE_SCROLL);
         }
-    }
+    };
 
     this.onScroll = function(e) {
         this.scrollToY(e.data);
@@ -405,7 +405,8 @@ var VirtualRenderer = function(container, theme) {
         // full
         if (changes & this.CHANGE_FULL) {
             this.$textLayer.update(this.layerConfig);
-            this.showGutter && this.$gutterLayer.update(this.layerConfig);
+            if (this.showGutter)
+                this.$gutterLayer.update(this.layerConfig);
             this.$markerBack.update(this.layerConfig);
             this.$markerFront.update(this.layerConfig);
             this.$cursorLayer.update(this.layerConfig);
@@ -419,7 +420,9 @@ var VirtualRenderer = function(container, theme) {
                 this.$textLayer.update(this.layerConfig);
             else
                 this.$textLayer.scrollLines(this.layerConfig);
-            this.showGutter && this.$gutterLayer.update(this.layerConfig);
+                
+            if (this.showGutter)
+                this.$gutterLayer.update(this.layerConfig);
             this.$markerBack.update(this.layerConfig);
             this.$markerFront.update(this.layerConfig);
             this.$cursorLayer.update(this.layerConfig);
@@ -429,14 +432,17 @@ var VirtualRenderer = function(container, theme) {
 
         if (changes & this.CHANGE_TEXT) {
             this.$textLayer.update(this.layerConfig);
-            this.showGutter && this.$gutterLayer.update(this.layerConfig);
+            if (this.showGutter)
+                this.$gutterLayer.update(this.layerConfig);
         }
         else if (changes & this.CHANGE_LINES) {
             this.$updateLines();
             this.$updateScrollBar();
-            this.showGutter && this.$gutterLayer.update(this.layerConfig);
+            if (this.showGutter)
+                this.$gutterLayer.update(this.layerConfig);
         } else if (changes & this.CHANGE_GUTTER) {
-            this.showGutter && this.$gutterLayer.update(this.layerConfig);
+            if (this.showGutter)
+                this.$gutterLayer.update(this.layerConfig);
         }
 
         if (changes & this.CHANGE_CURSOR)
@@ -547,7 +553,8 @@ var VirtualRenderer = function(container, theme) {
 
         // if the last row is unknown -> redraw everything
         if (lastRow === Infinity) {
-            this.showGutter && this.$gutterLayer.update(layerConfig);
+            if (this.showGutter)
+                this.$gutterLayer.update(layerConfig);
             this.$textLayer.update(layerConfig);
             return;
         }
@@ -577,12 +584,12 @@ var VirtualRenderer = function(container, theme) {
     this.addGutterDecoration = function(row, className){
         this.$gutterLayer.addGutterDecoration(row, className);
         this.$loop.schedule(this.CHANGE_GUTTER);
-    }
+    };
 
     this.removeGutterDecoration = function(row, className){
         this.$gutterLayer.removeGutterDecoration(row, className);
         this.$loop.schedule(this.CHANGE_GUTTER);
-    }
+    };
 
     this.setBreakpoints = function(rows) {
         this.$gutterLayer.setBreakpoints(rows);
@@ -636,7 +643,7 @@ var VirtualRenderer = function(container, theme) {
             else
                 this.scrollToX(Math.round(left + this.characterWidth - this.$size.scrollerWidth));
         }
-    },
+    };
 
     this.getScrollTop = function() {
         return this.scrollTop;
@@ -652,7 +659,7 @@ var VirtualRenderer = function(container, theme) {
 
     this.getScrollBottomRow = function() {
         return Math.max(0, Math.floor((this.scrollTop + this.$size.scrollerHeight) / this.lineHeight) - 1);
-    }
+    };
 
     this.scrollToRow = function(row) {
         this.scrollToY(row * this.lineHeight);
@@ -714,7 +721,7 @@ var VirtualRenderer = function(container, theme) {
         return {
             pageX: canvasPos.left + x - this.getScrollLeft(),
             pageY: canvasPos.top + y - this.getScrollTop()
-        }
+        };
     };
 
     this.visualizeFocus = function() {
@@ -760,6 +767,7 @@ var VirtualRenderer = function(container, theme) {
 
     this.setTheme = function(theme) {
         var _self = this;
+        
         this.$themeValue = theme;
         if (!theme || typeof theme == "string") {
             theme = theme || "ace/theme/textmate";
@@ -770,7 +778,6 @@ var VirtualRenderer = function(container, theme) {
             afterLoad(theme);
         }
 
-        var _self = this;
         function afterLoad(theme) {
             if (_self.$theme)
                 dom.removeCssClass(_self.container, _self.$theme);
@@ -790,24 +797,24 @@ var VirtualRenderer = function(container, theme) {
 
     this.getTheme = function() {
         return this.$themeValue;
-    }
+    };
 
     // Methods allows to add / remove CSS classnames to the editor element.
     // This feature can be used by plug-ins to provide a visual indication of
     // a certain mode that editor is in.
 
     this.setStyle = function setStyle(style) {
-      dom.addCssClass(this.container, style)
+      dom.addCssClass(this.container, style);
     };
 
     this.unsetStyle = function unsetStyle(style) {
-      dom.removeCssClass(this.container, style)
+      dom.removeCssClass(this.container, style);
     };
 
     this.destroy = function() {
         this.$textLayer.destroy();
         this.$cursorLayer.destroy();
-    }
+    };
 
 }).call(VirtualRenderer.prototype);