diff --git a/lib/ace/mode/rust_highlight_rules.js b/lib/ace/mode/rust_highlight_rules.js
index acb6c92a..1a7d38a6 100644
--- a/lib/ace/mode/rust_highlight_rules.js
+++ b/lib/ace/mode/rust_highlight_rules.js
@@ -29,10 +29,6 @@
  * ***** END LICENSE BLOCK ***** */
 
 /* This file was autogenerated from https://raw.github.com/dbp/sublime-rust/master/Rust.tmLanguage (uuid: ) */
-/****************************************************************************************
- * IT MIGHT NOT BE PERFECT ...But it's a good start from an existing *.tmlanguage file. *
- * fileTypes                                                                            *
- ****************************************************************************************/
 
 define(function(require, exports, module) {
 "use strict";
@@ -55,6 +51,35 @@ var RustHighlightRules = function() {
                 next: 'pop' },
               { include: '#rust_escaped_character' },
               { defaultToken: 'string.quoted.single.source.rust' } ] },
+         {
+            stateName: "bracketedComment",
+            onMatch : function(value, currentState, stack){
+                stack.unshift(this.next, value.length - 1, currentState);
+                return "string.quoted.raw.source.rust";
+            },
+            regex : /r#*"/,
+            next  : [
+                {
+                    onMatch : function(value, currentState, stack) {
+                        var token = "string.quoted.raw.source.rust";
+                        if (value.length >= stack[1]) {
+                            if (value.length > stack[1])
+                                token = "invalid";
+                            stack.shift();
+                            stack.shift();
+                            this.next = stack.shift();
+                        } else {
+                            this.next = "";
+                        }
+                        return token;
+                    },
+                    regex : /"#*/,
+                    next  : "start"
+                }, {
+                    defaultToken : "string.quoted.raw.source.rust"
+                }
+            ]
+         },
          { token: 'string.quoted.double.source.rust',
            regex: '"',
            push: