diff --git a/lib/ace/anchor.js b/lib/ace/anchor.js
index d2ffd090..7070312b 100644
--- a/lib/ace/anchor.js
+++ b/lib/ace/anchor.js
@@ -52,15 +52,13 @@ var EventEmitter = require("./lib/event_emitter").EventEmitter;
  **/
 
 var Anchor = exports.Anchor = function(doc, row, column) {
-    this.document = doc;
-
+    this.$onChange = this.onChange.bind(this);
+    this.attach(doc);
+    
     if (typeof column == "undefined")
         this.setPosition(row.row, row.column);
     else
         this.setPosition(row, column);
-
-    this.$onChange = this.onChange.bind(this);
-    doc.on("change", this.$onChange);
 };
 
 (function() {
@@ -71,7 +69,6 @@ var Anchor = exports.Anchor = function(doc, row, column) {
      * Returns an object identifying the `row` and `column` position of the current anchor.
      * @returns {Object}
      **/
-
     this.getPosition = function() {
         return this.$clipPositionToDocument(this.row, this.column);
     };
@@ -81,7 +78,6 @@ var Anchor = exports.Anchor = function(doc, row, column) {
      * Returns the current document.
      * @returns {Document}
      **/
-
     this.getDocument = function() {
         return this.document;
     };
@@ -98,9 +94,7 @@ var Anchor = exports.Anchor = function(doc, row, column) {
      *  - `old`: An object describing the old Anchor position
      *  - `value`: An object describing the new Anchor position
      *
-     *
      **/
-
     this.onChange = function(e) {
         var delta = e.data;
         var range = delta.range;
@@ -122,6 +116,7 @@ var Anchor = exports.Anchor = function(doc, row, column) {
         if (delta.action === "insertText") {
             if (start.row === row && start.column <= column) {
                 if (start.row === end.row) {
+                    //if (start.column == column)
                     column += end.column - start.column;
                 } else {
                     column -= start.column;
@@ -169,10 +164,7 @@ var Anchor = exports.Anchor = function(doc, row, column) {
      * @param {Number} column The column index to move the anchor to
      * @param {Boolean} noClip Identifies if you want the position to be clipped
      *
-     *
-     *
      **/
-
     this.setPosition = function(row, column, noClip) {
         var pos;
         if (noClip) {
@@ -204,10 +196,13 @@ var Anchor = exports.Anchor = function(doc, row, column) {
      * When called, the `'change'` event listener is removed.
      *
      **/
-
     this.detach = function() {
         this.document.removeEventListener("change", this.$onChange);
     };
+    this.attach = function(doc) {
+        this.document = doc || this.document;
+        this.document.on("change", this.$onChange);
+    };
 
     /**
      * Clips the anchor position to the specified row and column.
diff --git a/lib/ace/commands/default_commands.js b/lib/ace/commands/default_commands.js
index 9d3bc401..807758d8 100644
--- a/lib/ace/commands/default_commands.js
+++ b/lib/ace/commands/default_commands.js
@@ -395,8 +395,8 @@ exports.commands = [{
 }, {
     name: "backspace",
     bindKey: bindKey(
-        "Command-Backspace|Option-Backspace|Shift-Backspace|Backspace",
-        "Ctrl-Backspace|Command-Backspace|Shift-Backspace|Backspace|Ctrl-H"
+        "Shift-Backspace|Backspace",
+        "Ctrl-Backspace|Shift-Backspace|Backspace|Ctrl-H"
     ),
     exec: function(editor) { editor.remove("left"); },
     multiSelectAction: "forEach"
diff --git a/lib/ace/document.js b/lib/ace/document.js
index 8db94078..7d8ca1d4 100644
--- a/lib/ace/document.js
+++ b/lib/ace/document.js
@@ -212,7 +212,7 @@ var Document = function(text) {
     **/
     this.getTextRange = function(range) {
         if (range.start.row == range.end.row) {
-            return this.$lines[range.start.row]
+            return this.getLine(range.start.row)
                 .substring(range.start.column, range.end.column);
         }
         var lines = this.getLines(range.start.row, range.end.row);
diff --git a/lib/ace/layer/gutter.js b/lib/ace/layer/gutter.js
index 109d6a67..536788c2 100644
--- a/lib/ace/layer/gutter.js
+++ b/lib/ace/layer/gutter.js
@@ -174,7 +174,7 @@ var Gutter = function(parentEl) {
         var gutterWidth = ("" + lastLineNumber).length * config.characterWidth;
         var padding = this.$padding || this.$computePadding();
         gutterWidth += padding.left + padding.right;
-        if (gutterWidth !== this.gutterWidth) {
+        if (gutterWidth !== this.gutterWidth && !isNaN(gutterWidth)) {
             this.gutterWidth = gutterWidth;
             this.element.style.width = Math.ceil(this.gutterWidth) + "px";
             this._emit("changeGutterWidth", gutterWidth);
@@ -200,9 +200,9 @@ var Gutter = function(parentEl) {
         if (!this.element.firstChild)
             return {left: 0, right: 0};
         var style = dom.computedStyle(this.element.firstChild);
-        this.$padding = {}
-        this.$padding.left = parseInt(style.paddingLeft) + 1;
-        this.$padding.right = parseInt(style.paddingRight);  
+        this.$padding = {};
+        this.$padding.left = parseInt(style.paddingLeft) + 1 || 0;
+        this.$padding.right = parseInt(style.paddingRight) || 0;
         return this.$padding;
     };
 
diff --git a/lib/ace/theme/idle_fingers.css b/lib/ace/theme/idle_fingers.css
index a0f2ffed..640b9389 100644
--- a/lib/ace/theme/idle_fingers.css
+++ b/lib/ace/theme/idle_fingers.css
@@ -13,10 +13,6 @@
   color: #FFFFFF
 }
 
-.ace-idle-fingers .ace_text-layer {
-  color: #FFFFFF
-}
-
 .ace-idle-fingers .ace_cursor {
   border-left: 2px solid #91FF00
 }
diff --git a/lib/ace/theme/solarized_dark.css b/lib/ace/theme/solarized_dark.css
index 43f6f12d..165bc3c8 100644
--- a/lib/ace/theme/solarized_dark.css
+++ b/lib/ace/theme/solarized_dark.css
@@ -14,8 +14,7 @@
 }
 
 .ace-solarized-dark .ace_entity.ace_other.ace_attribute-name,
-.ace-solarized-dark .ace_storage,
-.ace-solarized-dark .ace_text-layer {
+.ace-solarized-dark .ace_storage {
   color: #93A1A1
 }
 
diff --git a/lib/ace/virtual_renderer.js b/lib/ace/virtual_renderer.js
index 0ef71f36..bc11fbc4 100644
--- a/lib/ace/virtual_renderer.js
+++ b/lib/ace/virtual_renderer.js
@@ -33,7 +33,6 @@ define(function(require, exports, module) {
 
 var oop = require("./lib/oop");
 var dom = require("./lib/dom");
-var event = require("./lib/event");
 var useragent = require("./lib/useragent");
 var config = require("./config");
 var GutterLayer = require("./layer/gutter").Gutter;
@@ -159,7 +158,7 @@ var VirtualRenderer = function(container, theme) {
         bottom: 0,
         v: 0,
         h: 0
-    }
+    };
 
     this.$loop = new RenderLoop(
         this.$renderChanges.bind(this),
@@ -311,7 +310,7 @@ var VirtualRenderer = function(container, theme) {
     this.onResize = function(force, gutterWidth, width, height) {
         if (this.resizing > 2)
             return;
-        else if (this.resizing > 1)
+        else if (this.resizing > 0)
             this.resizing++;
         else
             this.resizing = force ? 1 : 0;
@@ -338,7 +337,7 @@ var VirtualRenderer = function(container, theme) {
     };
     
     this.$updateCachedSize = function(force, gutterWidth, width, height) {
-        var changes = this.$changes || 0;
+        var changes = 0;
         var size = this.$size;
         if (height && (force || size.height != height)) {
             size.height = height;
@@ -360,7 +359,7 @@ var VirtualRenderer = function(container, theme) {
             changes = this.CHANGE_SIZE;
             size.width = width;
 
-            var gutterWidth = this.$showGutter ? this.$gutter.offsetWidth : 0;
+            gutterWidth = this.$showGutter ? this.$gutter.offsetWidth : 0;
             this.scrollBarH.element.style.left = 
             this.scroller.style.left = gutterWidth + "px";
             size.scrollerWidth = Math.max(0, width - gutterWidth - this.scrollBarV.getWidth());           
@@ -373,11 +372,19 @@ var VirtualRenderer = function(container, theme) {
             if (this.session && this.session.getUseWrapMode() && this.adjustWrapLimit() || force)
                 changes = changes | this.CHANGE_FULL;
         }
+        
+        if (changes)
+            this._signal("resize");
+
+        if (this.$changes) {
+            changes |= this.$changes;
+            this.$changes = 0;
+        }
+        
         return changes;
     };
 
     this.onGutterResize = function() {
-        var width = this.$size.width;
         var gutterWidth = this.$showGutter ? this.$gutter.offsetWidth : 0;
         this.$updateCachedSize(true, gutterWidth, this.$size.width, this.$size.height);
 
diff --git a/lib/ace/worker/worker.js b/lib/ace/worker/worker.js
index b0f1a5e7..24e1a83b 100644
--- a/lib/ace/worker/worker.js
+++ b/lib/ace/worker/worker.js
@@ -88,10 +88,9 @@ window.define = function(id, deps, factory) {
     };
 
     require.modules[id] = {
+        exports: {},
         factory: function() {
-            var module = {
-                exports: {}
-            };
+            var module = this;
             var returnExports = factory(req, module.exports, module);
             if (returnExports)
                 module.exports = returnExports;