From 4728930ce816ca498f63e1f958bdf22787989c9d Mon Sep 17 00:00:00 2001
From: Christopher Blum <christopher.blum@xing.com>
Date: Thu, 15 Mar 2012 21:29:26 +0100
Subject: [PATCH] Proper fix for #16 (polish keyboard issue)

---
 src/browser.js      | 4 ----
 src/undo_manager.js | 2 +-
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/browser.js b/src/browser.js
index 6174a5db..29f5ed53 100644
--- a/src/browser.js
+++ b/src/browser.js
@@ -333,10 +333,6 @@ wysihtml5.browser = (function() {
      */
     crashesWhenDefineProperty: function(property) {
       return isIE && (property === "XMLHttpRequest" || property === "XDomainRequest");
-    },
-    
-    isMac: function() {
-      return navigator.platform.substr(0, 3).toLowerCase() === "mac";
     }
   };
 })();
\ No newline at end of file
diff --git a/src/undo_manager.js b/src/undo_manager.js
index c4eba426..e6e7d364 100644
--- a/src/undo_manager.js
+++ b/src/undo_manager.js
@@ -40,7 +40,7 @@
           
       // Catch CTRL+Z and CTRL+Y
       dom.observe(this.composerElement, "keydown", function(event) {
-        if (!event.ctrlKey && !(event.metaKey && wysihtml5.browser.isMac())) {
+        if (event.altKey || (!event.ctrlKey && !event.metaKey)) {
           return;
         }