diff --git a/lib/ace/ace.js b/lib/ace/ace.js
index 1805a934..a33e4240 100644
--- a/lib/ace/ace.js
+++ b/lib/ace/ace.js
@@ -36,40 +36,42 @@
  * ***** END LICENSE BLOCK ***** */
 
 define(function(require, exports, module) {
+"use strict";
 
-    require("./lib/fixoldbrowsers");
+require("./lib/fixoldbrowsers");
 
-    var Dom = require("./lib/dom");
-    var Event = require("./lib/event");
+var Dom = require("./lib/dom");
+var Event = require("./lib/event");
 
-    var Editor = require("./editor").Editor;
-    var EditSession = require("./edit_session").EditSession;
-    var UndoManager = require("./undomanager").UndoManager;
-    var Renderer = require("./virtual_renderer").VirtualRenderer;
+var Editor = require("./editor").Editor;
+var EditSession = require("./edit_session").EditSession;
+var UndoManager = require("./undomanager").UndoManager;
+var Renderer = require("./virtual_renderer").VirtualRenderer;
 
-    exports.edit = function(el) {
-        if (typeof(el) == "string") {
-            el = document.getElementById(el);
-        }
+exports.edit = function(el) {
+    if (typeof(el) == "string") {
+        el = document.getElementById(el);
+    }
 
-        var doc = new EditSession(Dom.getInnerText(el));
-        doc.setUndoManager(new UndoManager());
-        el.innerHTML = '';
+    var doc = new EditSession(Dom.getInnerText(el));
+    doc.setUndoManager(new UndoManager());
+    el.innerHTML = '';
 
-        var editor = new Editor(new Renderer(el, require("./theme/textmate")));
-        editor.setSession(doc);
+    var editor = new Editor(new Renderer(el, require("./theme/textmate")));
+    editor.setSession(doc);
 
-        var env = {};
-        env.document = doc;
-        env.editor = editor;
+    var env = {};
+    env.document = doc;
+    env.editor = editor;
+    editor.resize();
+    Event.addListener(window, "resize", function() {
         editor.resize();
-        Event.addListener(window, "resize", function() {
-            editor.resize();
-        });
-        el.env = env;
-        // Store env on editor such that it can be accessed later on from
-        // the returned object.
-        editor.env = env;
-        return editor;
-    };
+    });
+    el.env = env;
+    // Store env on editor such that it can be accessed later on from
+    // the returned object.
+    editor.env = env;
+    return editor;
+};
+
 });
\ No newline at end of file
diff --git a/lib/ace/edit_session_test.js b/lib/ace/edit_session_test.js
index cdba3444..5611fe63 100644
--- a/lib/ace/edit_session_test.js
+++ b/lib/ace/edit_session_test.js
@@ -285,8 +285,7 @@ module.exports = {
     },
 
     "test: documentToScreen with soft wrap and multibyte characters": function() {
-
-        session = new EditSession(["ぁぁa"]);
+        var session = new EditSession(["ぁぁa"]);
         session.setUseWrapMode(true);
         session.setWrapLimitRange(2, 2);
         session.adjustWrapLimit(80);
@@ -342,7 +341,7 @@ module.exports = {
     },
 
     "test: screenToDocument with soft wrap and multi byte characters": function() {
-        session = new EditSession(["ぁ a"]);
+        var session = new EditSession(["ぁ a"]);
         session.setUseWrapMode(true);
         session.adjustWrapLimit(80);
 
@@ -374,9 +373,6 @@ module.exports = {
     },
 
     "test: wrapLine split function" : function() {
-        var splits;
-        var c = 0;
-
         function computeAndAssert(line, assertEqual, wrapLimit, tabSize) {
             wrapLimit = wrapLimit || 12;
             tabSize = tabSize || 4;
@@ -618,9 +614,9 @@ module.exports = {
     },
 
     "test getFoldsInRange()": function() {
-        var session = createFoldTestSession(),
-            foldLines = session.$foldData;
-            folds = foldLines[0].folds.concat(foldLines[1].folds);
+        var session = createFoldTestSession();
+        var foldLines = session.$foldData;
+        var folds = foldLines[0].folds.concat(foldLines[1].folds);
 
         function test(startRow, startColumn, endColumn, endRow, folds) {
             var r = new Range(startRow, startColumn, endColumn, endRow);
diff --git a/lib/ace/editor_highlight_selected_word_test.js b/lib/ace/editor_highlight_selected_word_test.js
index 4d1f1a0a..73866939 100644
--- a/lib/ace/editor_highlight_selected_word_test.js
+++ b/lib/ace/editor_highlight_selected_word_test.js
@@ -46,7 +46,6 @@ define(function(require, exports, module) {
 var EditSession = require("./edit_session").EditSession;
 var Editor = require("./editor").Editor;
 var MockRenderer = require("./test/mockrenderer").MockRenderer;
-var TextMode = require("./mode/text").Mode;
 var assert = require("./test/assertions");
 
 var lipsum = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. " +
diff --git a/lib/ace/lib/oop.js b/lib/ace/lib/oop.js
index 1c7b565c..7149cbac 100644
--- a/lib/ace/lib/oop.js
+++ b/lib/ace/lib/oop.js
@@ -44,7 +44,7 @@ exports.inherits = (function() {
         ctor.super_ = superCtor.prototype;
         ctor.prototype = new tempCtor();
         ctor.prototype.constructor = ctor;
-    }
+    };
 }());
 
 exports.mixin = function(obj, mixin) {
diff --git a/lib/ace/lib/regexp.js b/lib/ace/lib/regexp.js
index 399dcf9b..ff239169 100644
--- a/lib/ace/lib/regexp.js
+++ b/lib/ace/lib/regexp.js
@@ -1,14 +1,16 @@
+/**
+ *  Based on code from:
+ *
+ * XRegExp 1.5.0
+ * (c) 2007-2010 Steven Levithan
+ * MIT License
+ * <http://xregexp.com>
+ * Provides an augmented, extensible, cross-browser implementation of regular expressions,
+ * including support for additional syntax, flags, and methods
+ */
+ 
 define(function(require, exports, module) {
 
-// Based on code from:
-//
-// XRegExp 1.5.0
-// (c) 2007-2010 Steven Levithan
-// MIT License
-// <http://xregexp.com>
-// Provides an augmented, extensible, cross-browser implementation of regular expressions,
-// including support for additional syntax, flags, and methods
-
     //---------------------------------
     //  Private variables
     //---------------------------------
diff --git a/lib/ace/lib/useragent.js b/lib/ace/lib/useragent.js
index a544c4d1..d2c24336 100644
--- a/lib/ace/lib/useragent.js
+++ b/lib/ace/lib/useragent.js
@@ -39,7 +39,6 @@ define(function(require, exports, module) {
 
 var os = (navigator.platform.match(/mac|win|linux/i) || ["other"])[0].toLowerCase();
 var ua = navigator.userAgent;
-var av = navigator.appVersion;
 
 /** Is the user using a browser that identifies itself as Windows */
 exports.isWin = (os == "win");
@@ -60,7 +59,7 @@ exports.isOldIE = exports.isIE && exports.isIE < 9;
 exports.isGecko = exports.isMozilla = window.controllers && window.navigator.product === "Gecko";
 
 /** oldGecko == rev < 2.0 **/
-exports.isOldGecko = exports.isGecko && parseInt((navigator.userAgent.match(/rv\:(\d+)/)||[])[1]) < 4;
+exports.isOldGecko = exports.isGecko && parseInt((navigator.userAgent.match(/rv\:(\d+)/)||[])[1], 10) < 4;
 
 /** Is this Opera */
 exports.isOpera = window.opera && Object.prototype.toString.call(window.opera) == "[object Opera]";
@@ -84,9 +83,9 @@ exports.isTouchPad = ua.indexOf("TouchPad") >= 0;
  * Windows folks expect to use CTRL + C
  */
 exports.OS = {
-    LINUX: 'LINUX',
-    MAC: 'MAC',
-    WINDOWS: 'WINDOWS'
+    LINUX: "LINUX",
+    MAC: "MAC",
+    WINDOWS: "WINDOWS"
 };
 
 /**
@@ -94,11 +93,11 @@ exports.OS = {
  */
 exports.getOS = function() {
     if (exports.isMac) {
-        return exports.OS['MAC'];
+        return exports.OS.MAC;
     } else if (exports.isLinux) {
-        return exports.OS['LINUX'];
+        return exports.OS.LINUX;
     } else {
-        return exports.OS['WINDOWS'];
+        return exports.OS.WINDOWS;
     }
 };
 
diff --git a/lib/ace/mode/css_worker.js b/lib/ace/mode/css_worker.js
index c2b62e1b..68e5e582 100644
--- a/lib/ace/mode/css_worker.js
+++ b/lib/ace/mode/css_worker.js
@@ -53,7 +53,7 @@ oop.inherits(Worker, Mirror);
     this.onUpdate = function() {
         var value = this.doc.getValue();
         
-        result = CSSLint.verify(value);
+        var result = CSSLint.verify(value);
         this.sender.emit("csslint", result.messages.map(function(msg) {
             delete msg.rule;
             return msg;
diff --git a/lib/ace/mode/json_highlight_rules.js b/lib/ace/mode/json_highlight_rules.js
index 9ea0e9e3..e1a81791 100644
--- a/lib/ace/mode/json_highlight_rules.js
+++ b/lib/ace/mode/json_highlight_rules.js
@@ -39,7 +39,6 @@
 define(function(require, exports, module) {
 
 var oop = require("../lib/oop");
-var lang = require("../lib/lang");
 var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
 
 var JsonHighlightRules = function() {
diff --git a/lib/ace/mode/latex.js b/lib/ace/mode/latex.js
index fba7de34..18d4422d 100644
--- a/lib/ace/mode/latex.js
+++ b/lib/ace/mode/latex.js
@@ -12,12 +12,10 @@ var Mode = function()
 };
 oop.inherits(Mode, TextMode);
 
-(function()
-{
+(function() {
     this.toggleCommentLines = function(state, doc, startRow, endRow) {
         // This code is adapted from ruby.js
         var outdent = true;
-        var outentedRows = [];
         
         // LaTeX comments begin with % and go to the end of the line
         var commentRegEx = /^(\s*)\%/;
diff --git a/lib/ace/mode/latex_highlight_rules.js b/lib/ace/mode/latex_highlight_rules.js
index 2b15cdbf..5e14362a 100644
--- a/lib/ace/mode/latex_highlight_rules.js
+++ b/lib/ace/mode/latex_highlight_rules.js
@@ -3,8 +3,7 @@ define(function(require, exports, module) {
 var oop = require("../lib/oop");
 var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
 
-var LatexHighlightRules = function()
-{   
+var LatexHighlightRules = function() {   
     this.$rules = {
         "start" : [{
             // A tex command e.g. \foo
diff --git a/lib/ace/mode/lua.js b/lib/ace/mode/lua.js
index 4df20dcb..e3c9b125 100644
--- a/lib/ace/mode/lua.js
+++ b/lib/ace/mode/lua.js
@@ -42,7 +42,6 @@ var oop = require("../lib/oop");
 var TextMode = require("./text").Mode;
 var Tokenizer = require("../tokenizer").Tokenizer;
 var LuaHighlightRules = require("./lua_highlight_rules").LuaHighlightRules;
-var Range = require("../range").Range;
 
 var Mode = function() {
     this.$tokenizer = new Tokenizer(new LuaHighlightRules().getRules());
@@ -55,7 +54,6 @@ oop.inherits(Mode, TextMode);
 
         var tokenizedLine = this.$tokenizer.getLineTokens(line, state);
         var tokens = tokenizedLine.tokens;
-        var endState = tokenizedLine.state;
 	
         var chunks = ["function", "then", "do", "repeat"];
         
@@ -79,39 +77,6 @@ oop.inherits(Mode, TextMode);
         return indent;
     };
     
-    /*this.checkOutdent = function(state, line, input) {
-        if (input !== "\r\n" && input !== "\r" && input !== "\n")
-            return false;
-
-        var tokens = this.$tokenizer.getLineTokens(line.trim(), state).tokens;
-        
-        if (!tokens)
-            return false;
-        
-        // ignore trailing comments
-        do {
-            var last = tokens.pop();
-        } while (last && (last.type == "comment" || (last.type == "text" && last.value.match(/^\s+$/))));
-        
-        if (!last)
-            return false;
-        var outdents = {
-            "end" : 1,
-            "until" : 1,
-            "else" : 1
-        }
-        return (last.type == "keyword" && outdents[last.value]);
-    };
-    
-    this.autoOutdent = function(state, doc, row) {
-        console.log(doc, row);
-        var indent = this.$getIndent(doc.getLine(row));
-        var tab = doc.getTabString();
-        if (indent.slice(-tab.length) == tab)
-            doc.remove(new Range(row, indent.length-tab.length, row, indent.length));
-
-    };*/
-    
 }).call(Mode.prototype);
 
 exports.Mode = Mode;
diff --git a/lib/ace/mode/markdown.js b/lib/ace/mode/markdown.js
index eb85f0b3..6ed9a2c2 100644
--- a/lib/ace/mode/markdown.js
+++ b/lib/ace/mode/markdown.js
@@ -47,7 +47,6 @@ var XmlMode = require("./xml").Mode;
 var HtmlMode = require("./html").Mode;
 var Tokenizer = require("../tokenizer").Tokenizer;
 var MarkdownHighlightRules = require("./markdown_highlight_rules").MarkdownHighlightRules;
-var Range = require("../range").Range;
 
 var Mode = function() {
     var highlighter = new MarkdownHighlightRules();
diff --git a/lib/ace/mode/markdown_highlight_rules.js b/lib/ace/mode/markdown_highlight_rules.js
index 61b8eccf..e2f44f95 100644
--- a/lib/ace/mode/markdown_highlight_rules.js
+++ b/lib/ace/mode/markdown_highlight_rules.js
@@ -46,11 +46,11 @@ var HtmlHighlightRules = require("./html_highlight_rules").HtmlHighlightRules;
 var CssHighlightRules = require("./css_highlight_rules").CssHighlightRules;
 
 function github_embed(tag, prefix) {
-  return { // Github style block
-    token : "support.function",
-    regex : "^```" + tag + "\\s*$",
-    next  : prefix + "start"
-  }
+    return { // Github style block
+        token : "support.function",
+        regex : "^```" + tag + "\\s*$",
+        next  : prefix + "start"
+    };
 }
 
 var MarkdownHighlightRules = function() {
diff --git a/lib/ace/mode/powershell_highlight_rules.js b/lib/ace/mode/powershell_highlight_rules.js
index 2cdf64e2..0f4b112d 100644
--- a/lib/ace/mode/powershell_highlight_rules.js
+++ b/lib/ace/mode/powershell_highlight_rules.js
@@ -2,7 +2,6 @@ define(function(require, exports, module) {
 
 var oop = require("../lib/oop");
 var lang = require("../lib/lang");
-var DocCommentHighlightRules = require("./doc_comment_highlight_rules").DocCommentHighlightRules;
 var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
 
 var PowershellHighlightRules = function() {
diff --git a/lib/ace/mode/ruby.js b/lib/ace/mode/ruby.js
index b8a585d7..1426dd9c 100644
--- a/lib/ace/mode/ruby.js
+++ b/lib/ace/mode/ruby.js
@@ -55,7 +55,6 @@ oop.inherits(Mode, TextMode);
 
     this.toggleCommentLines = function(state, doc, startRow, endRow) {
         var outdent = true;
-        var outentedRows = [];
         var re = /^(\s*)#/;
 
         for (var i=startRow; i<= endRow; i++) {
@@ -87,7 +86,6 @@ oop.inherits(Mode, TextMode);
 
         var tokenizedLine = this.$tokenizer.getLineTokens(line, state);
         var tokens = tokenizedLine.tokens;
-        var endState = tokenizedLine.state;
 
         if (tokens.length && tokens[tokens.length-1].type == "comment") {
             return indent;
diff --git a/lib/ace/mode/sql_highlight_rules.js b/lib/ace/mode/sql_highlight_rules.js
index 6cd36e75..1473411c 100644
--- a/lib/ace/mode/sql_highlight_rules.js
+++ b/lib/ace/mode/sql_highlight_rules.js
@@ -16,9 +16,7 @@
  * the provisions above, a recipient may use your version of this file under
  * the terms of any one of the MPL, the GPL or the LGPL.
  *
- * ***** END LICENSE BLOCK *****
- *
- */
+ * ***** END LICENSE BLOCK ***** */
 
 define(function(require, exports, module) {
 
diff --git a/lib/ace/mode/text_test.js b/lib/ace/mode/text_test.js
index 7aa9de95..c65d8847 100644
--- a/lib/ace/mode/text_test.js
+++ b/lib/ace/mode/text_test.js
@@ -53,7 +53,7 @@ module.exports = {
     "test: toggle comment lines should not do anything" : function() {
         var session = new EditSession(["  abc", "cde", "fg"]);
 
-        var comment = this.mode.toggleCommentLines("start", session, 0, 1);
+        this.mode.toggleCommentLines("start", session, 0, 1);
         assert.equal(["  abc", "cde", "fg"].join("\n"), session.toString());
     },
 
diff --git a/lib/ace/mode/textile.js b/lib/ace/mode/textile.js
index 970f5bbd..9f8e56e5 100644
--- a/lib/ace/mode/textile.js
+++ b/lib/ace/mode/textile.js
@@ -42,19 +42,15 @@ var TextMode = require("./text").Mode;
 var Tokenizer = require("../tokenizer").Tokenizer;
 var TextileHighlightRules = require("./textile_highlight_rules").TextileHighlightRules;
 var MatchingBraceOutdent = require("./matching_brace_outdent").MatchingBraceOutdent;
-var Range = require("../range").Range;
 
-var Mode = function()
-{
+var Mode = function() {
     this.$tokenizer = new Tokenizer(new TextileHighlightRules().getRules());
     this.$outdent = new MatchingBraceOutdent();
 };
 oop.inherits(Mode, TextMode);
 
-(function()
-{
-    this.getNextLineIndent = function(state, line, tab)
-    {
+(function() {
+    this.getNextLineIndent = function(state, line, tab) {
         if (state == "intag")
             return tab;
         
diff --git a/lib/ace/mode/textile_highlight_rules.js b/lib/ace/mode/textile_highlight_rules.js
index e4cf215a..4a054cf5 100644
--- a/lib/ace/mode/textile_highlight_rules.js
+++ b/lib/ace/mode/textile_highlight_rules.js
@@ -44,7 +44,6 @@ var TextileHighlightRules = function() {
     this.$rules = {
         "start" : [
             {
-                token : "keyword", // start of block
                 token : function(value) {
                     if (value.match(/^h\d$/))
                         return "markup.heading." + value.charAt(1);
diff --git a/lib/ace/mode/xml.js b/lib/ace/mode/xml.js
index 84caaf01..6deae6e4 100644
--- a/lib/ace/mode/xml.js
+++ b/lib/ace/mode/xml.js
@@ -54,7 +54,6 @@ oop.inherits(Mode, TextMode);
 
 (function() {
     
-    
     this.getNextLineIndent = function(state, line, tab) {
         return this.$getIndent(line);
     };
diff --git a/lib/ace/mode/xml_util.js b/lib/ace/mode/xml_util.js
index 02f4d69e..effe5080 100644
--- a/lib/ace/mode/xml_util.js
+++ b/lib/ace/mode/xml_util.js
@@ -36,15 +36,15 @@
  * ***** END LICENSE BLOCK ***** */
 
 define(function(require, exports, module) {
-    var lang = require("../lib/lang");
-    
-    var formTags = lang.arrayToMap(
-        ("button|form|input|label|select|textarea").split("|")
-    );
-    
-    var tableTags = lang.arrayToMap(
-        ("table|tbody|td|tfoot|th|tr").split("|")
-    );
+var lang = require("../lib/lang");
+
+var formTags = lang.arrayToMap(
+    ("button|form|input|label|select|textarea").split("|")
+);
+
+var tableTags = lang.arrayToMap(
+    ("table|tbody|td|tfoot|th|tr").split("|")
+);
 
 function string(state) {
     return [{
diff --git a/lib/ace/model/editor.js b/lib/ace/model/editor.js
index 7a8aad8e..b81b05ad 100644
--- a/lib/ace/model/editor.js
+++ b/lib/ace/model/editor.js
@@ -39,7 +39,6 @@
 define(function(require, exports, module) {
 
 var oop = require("ace/lib/oop");
-var lang = require("ace/lib/lang");
 var EventEmitter = require("ace/lib/event_emitter").EventEmitter;
 
 var Editor = exports.Editor = function() {
diff --git a/lib/ace/selection_test.js b/lib/ace/selection_test.js
index 1fe6b086..6e81c9a0 100644
--- a/lib/ace/selection_test.js
+++ b/lib/ace/selection_test.js
@@ -168,7 +168,7 @@ module.exports = {
         assert.position(selection.getCursor(), 0, 0);
     },
 
-    "test: moveCursor word left" : function() {
+    "test: moveCursor word left with umlauts" : function() {
         var session = new EditSession(" Fuß Füße");
 
         var selection = session.getSelection();
diff --git a/lib/ace/test/all_browser.js b/lib/ace/test/all_browser.js
index 9c7a2384..4801ceab 100644
--- a/lib/ace/test/all_browser.js
+++ b/lib/ace/test/all_browser.js
@@ -3,7 +3,6 @@ define(function(require, exports, module) {
 require("ace/lib/fixoldbrowsers");
 var AsyncTest = require("asyncjs").test;
 var async = require("asyncjs");
-var dom = require("ace/lib/dom");
 
 var passed = 0
 var failed = 0
diff --git a/lib/ace/test/assertions.js b/lib/ace/test/assertions.js
index 9c7b16c7..6b87365c 100644
--- a/lib/ace/test/assertions.js
+++ b/lib/ace/test/assertions.js
@@ -51,7 +51,7 @@ assert.range = function(range, startRow, startColumn, endRow, endColumn) {
 
 assert.notOk = function(value) {
     assert.equal(value, false);   
-}
+};
 
 exports.jsonEquals = function(foundJson, expectedJson) {
     assert.equal(JSON.stringify(foundJson), JSON.stringify(expectedJson));
diff --git a/lib/ace/test/benchmark.js b/lib/ace/test/benchmark.js
index 7861bef6..5b3a6053 100644
--- a/lib/ace/test/benchmark.js
+++ b/lib/ace/test/benchmark.js
@@ -41,7 +41,6 @@ if (typeof process !== "undefined") {
 
 define(function(require, exports, module) {
 
-var assert = require("../test/assertions");
 var EditSession = require("../edit_session").EditSession;
 
 module.exports = {
diff --git a/lib/ace/theme/chrome.js b/lib/ace/theme/chrome.js
index 90351d2f..78c92dea 100644
--- a/lib/ace/theme/chrome.js
+++ b/lib/ace/theme/chrome.js
@@ -37,7 +37,6 @@
 
 define(function(require, exports, module) {
 
-
 exports.cssClass = "ace-chrome";
 exports.cssText = ".ace-chrome .ace_editor {\
   border: 2px solid rgb(159, 159, 159);\
diff --git a/lib/ace/virtual_renderer.js b/lib/ace/virtual_renderer.js
index 3c4a0e1b..d553d760 100644
--- a/lib/ace/virtual_renderer.js
+++ b/lib/ace/virtual_renderer.js
@@ -42,7 +42,6 @@ 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 GutterLayer = require("./layer/gutter").Gutter;
 var MarkerLayer = require("./layer/marker").Marker;