Ticket #935: jquery_bug935.patch

event.js

@@ -13 +13 @@
                 if ( jQuery.browser.msie && element.setInterval != undefined )
                         element = window;
 
-                // if data is passed, bind to handler
-                if( data ) 
-                        handler.data = data;
-
                 // Make sure that the function being executed has a unique ID
                 if ( !handler.guid )
                         handler.guid = this.guid++;
 
+                // if data is passed, bind to handler
+                if( data != undefined ) {
+                        // Create temporary function pointer to original handler
+                        var fn = handler;
+
+                        // Create unique handler function, wrapped around original handler
+                        handler = function() {
+                                // Pass arguments and context to original handler
+                                return fn.apply(this, arguments);
+                        };
+
+                        // Store data in unique handler
+                        handler.data = data;
+                        
+                        // Set the guid of unique handler to the same of original handler, so it can be removed
+                        handler.guid = fn.guid;
+                }
+
                 // Init the element's event structure
                 if (!element.$events)
                         element.$events = {};