Ticket #5455: 5455_6.patch

_source/core/dom/element.js

@@ -850 +850 @@
                         :
                                 function()
                                 {
-                                        var attributes = this.$.attributes;
-                                        return ( attributes.length > 1 || ( attributes.length == 1 && attributes[0].nodeName != '_cke_expando' ) );
+                                        var attrs = this.$.attributes,
+                                                attrsNum = attrs.length;
+
+                                        // The _moz_dirty attribute might get into the element after pasting (#5455)
+                                        var execludeAttrs = { _cke_expando : 1, _moz_dirty : 1 };
+
+                                        return attrsNum > 0 &&
+                                                ( attrsNum > 2 ||
+                                                        !execludeAttrs[ attrs[0].nodeName ] ||
+                                                        ( attrsNum == 2 && !execludeAttrs[ attrs[1].nodeName ] ) );
                                 },
 
                 /**