diff --git a/lib/ace/mode/mushcode.js b/lib/ace/mode/mushcode.js
new file mode 100644
index 00000000..6fe00e17
--- /dev/null
+++ b/lib/ace/mode/mushcode.js
@@ -0,0 +1,116 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Distributed under the BSD license:
+ *
+ * Copyright (c) 2010, Ajax.org B.V.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Ajax.org B.V. nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+define(function(require, exports, module) {
+"use strict";
+
+var oop = require("../lib/oop");
+var TextMode = require("./text").Mode;
+var Tokenizer = require("../tokenizer").Tokenizer;
+var MushCodeRules = require("./mushcode_high_rules").MushCodeRules;
+var PythonFoldMode = require("./folding/pythonic").FoldMode;
+var Range = require("../range").Range;
+
+var Mode = function() {
+    this.$tokenizer = new Tokenizer(new PythonHighlightRules().getRules());
+    this.foldingRules = new PythonFoldMode("\\:");
+};
+oop.inherits(Mode, TextMode);
+
+(function() {
+
+    this.lineCommentStart = "#";
+
+    this.getNextLineIndent = function(state, line, tab) {
+        var indent = this.$getIndent(line);
+
+        var tokenizedLine = this.$tokenizer.getLineTokens(line, state);
+        var tokens = tokenizedLine.tokens;
+
+        if (tokens.length && tokens[tokens.length-1].type == "comment") {
+            return indent;
+        }
+
+        if (state == "start") {
+            var match = line.match(/^.*[\{\(\[\:]\s*$/);
+            if (match) {
+                indent += tab;
+            }
+        }
+
+        return indent;
+    };
+
+   var outdents = {
+        "pass": 1,
+        "return": 1,
+        "raise": 1,
+        "break": 1,
+        "continue": 1
+    };
+
+    this.checkOutdent = function(state, line, input) {
+        if (input !== "\r\n" && input !== "\r" && input !== "\n")
+            return false;
+
+        var tokens = this.$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+$/))));
+
+        if (!last)
+            return false;
+
+        return (last.type == "keyword" && outdents[last.value]);
+    };
+
+    this.autoOutdent = function(state, doc, row) {
+        // outdenting in python is slightly different because it always applies
+        // to the next line and only of a new line is inserted
+
+        row += 1;
+        var indent = this.$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;
+});
+
+
+