Ticket #4227: 4227.patch

_source/core/editor.js

@@ -308 +308 @@
                                                                 };
                                                 });
                                 }
-                        }
 
                                 // Remove 'submit' events registered on form element before destroying.(#3988)
                                 editor.on( 'destroy', function()
@@ -316 +315 @@
                                         form.removeListener( 'submit', onSubmit );
                                 } );
                         }
+                }
         };
 
         function updateCommandsMode()