anchor.diff:      });
     }
   
  -  void onSubmit(Event e) {
  -    e..stopPropagation()..preventDefault();
  -    _commit();
  -  }
  -
     void _push() {
       _progress.progressMessage = "Pushing...";
       _toggleProgressVisible(true);
  
positive.code:     }).then((_) {
        _show();
      });
    }
  
    void onSubmit(Event e) {
      e..stopPropagation()..preventDefault();
      _commit();
    }
  
    void _commit() {
  
negative.code:     });
  
      _show();
    }
  
    void _commit() {
  