Fixed some minor issues and removed some spurious

comments

lib/ace/conf/keybindings/default_mac.js

@@ -80,7 +80,7 @@ return {
     "selectlinestart": "Shift-Home",
     "selectlineend": "Shift-End",
     "del": "Delete",
-    "backspace": "Backspace",
+    "backspace": "Ctrl-Backspace|Command-Backspace|Option-Backspace|Backspace",
     "outdent": "Shift-Tab",
     "indent": "Tab"
 };

lib/ace/renderloop.js

@@ -48,16 +48,17 @@ var RenderLoop = function(onRender) {
 (function() {
 
     this.schedule = function(change) {
-//        this.onRender(change);
-//        return;
+        //this.onRender(change);
+        //return;
         this.changes = this.changes | change;
         if (!this.pending) {
             this.pending = true;
             var _self = this;
             this.setTimeoutZero(function() {
                 _self.pending = false;
-                _self.onRender(_self.changes);
+                var changes = _self.changes;
                 _self.changes = 0;
+                _self.onRender(changes);
             })
         }
     };

lib/ace/scrollbar.js

@@ -62,7 +62,7 @@ var ScrollBar = function(parent) {
     oop.implement(this, MEventEmitter);
 
     this.onScroll = function() {
-      this.$dispatchEvent("scroll", {data: this.element.scrollTop});
+        this.$dispatchEvent("scroll", {data: this.element.scrollTop});
     };
 
     this.getWidth = function() {