Index: wp-includes/js/jquery/jquery.hotkeys.dev.js
===================================================================
--- wp-includes/js/jquery/jquery.hotkeys.dev.js	(revision 20998)
+++ wp-includes/js/jquery/jquery.hotkeys.dev.js	(working copy)
@@ -73,13 +73,8 @@
                 propagate = true, // default behaivour
                 mapPoint = null;
             
-            // in opera + safari, the event.target is unpredictable.
-            // for example: 'keydown' might be associated with HtmlBodyElement 
-            // or the element where you last clicked with your mouse.
-            if (jQuery.browser.opera || jQuery.browser.safari){
-                while (!that.all[element] && element.parentNode){
-                    element = element.parentNode;
-                }
+            while (!that.all[element] && element.parentNode){
+                element = element.parentNode;
             }
             var cbMap = that.all[element].events[type].callbackMap;
             if(!shift && !ctrl && !alt && !meta) { // No Modifiers