diff --git a/src/brackets.js b/src/brackets.js
index b88df63c2c5..54327ee8cba 100644
--- a/src/brackets.js
+++ b/src/brackets.js
@@ -37,7 +37,7 @@
  */
 define(function (require, exports, module) {
     "use strict";
-    
+
     // Load dependent non-module scripts
     require("widgets/bootstrap-dropdown");
     require("widgets/bootstrap-modal");
@@ -57,7 +57,7 @@ define(function (require, exports, module) {
     require("thirdparty/CodeMirror2/addon/mode/overlay");
     require("thirdparty/CodeMirror2/addon/search/searchcursor");
     require("thirdparty/CodeMirror2/keymap/sublime");
-    
+
     // Load dependent modules
     var Global                  = require("utils/Global"),
         AppInit                 = require("utils/AppInit"),
diff --git a/src/main.js b/src/main.js
index ba37386f009..4e1b40bdce9 100644
--- a/src/main.js
+++ b/src/main.js
@@ -50,9 +50,12 @@ require.config({
     locale: window.localStorage.getItem("locale") || (typeof (brackets) !== "undefined" ? brackets.app.language : navigator.language)
 });
 
-define(function (require, exports, module) {
+define(function (require) {
     "use strict";
-    
-    // Load the brackets module. This is a self-running module that loads and runs the entire application.
-    require("brackets");
+
+    // Load compatibility shims--these need to load early, be careful moving this
+    require(["utils/Compatibility"], function () {
+        // Load the brackets module. This is a self-running module that loads and runs the entire application.
+        require(["brackets"]);
+    });
 });
diff --git a/src/utils/Compatibility.js b/src/utils/Compatibility.js
new file mode 100644
index 00000000000..0de7af58092
--- /dev/null
+++ b/src/utils/Compatibility.js
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2014 Adobe Systems Incorporated. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+
+/*jslint vars: true, plusplus: true, devel: true, nomen: true, indent: 4, maxerr: 50 */
+/*global define */
+
+/**
+ * Compatibility shims for running Brackets in various environments, browsers.
+ */
+define(function () {
+    "use strict";
+
+    // [IE10] String.prototype missing trimRight() and trimLeft()
+    if (!String.prototype.trimRight) {
+        String.prototype.trimRight = function () { return this.replace(/\s+$/, ""); };
+    }
+    if (!String.prototype.trimLeft) {
+        String.prototype.trimLeft = function () { return this.replace(/^\s+/, ""); };
+    }
+
+});