From 61ae3503248bd86656008e3aa78c9539bcb6f5dd Mon Sep 17 00:00:00 2001
From: nightwing <amirjanyan@gmail.com>
Date: Wed, 4 Jul 2012 17:59:02 +0400
Subject: [PATCH] do not use postmessage on oldIE since addListener is very
 slow there

---
 lib/ace/lib/event.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/ace/lib/event.js b/lib/ace/lib/event.js
index 1afca2a2..0948f158 100644
--- a/lib/ace/lib/event.js
+++ b/lib/ace/lib/event.js
@@ -292,7 +292,7 @@ exports.addCommandKeyListener = function(el, callback) {
     }
 };
 
-if (window.postMessage) {
+if (window.postMessage && !useragent.isOldIE) {
     var postMessageId = 1;
     exports.nextTick = function(callback, win) {
         win = win || window;