anchor.diff:    CoreElement countElement;
     CoreElement focusElement;
   
  -  ErrorsView() : super('Errors', classes: 'errors-view dartlang', prefName: 'Errors',
  +  ErrorsView(bool enabled) : super('Errors', classes: 'errors-view dartlang', prefName: 'Errors',
         rightPanel: false, cancelCloses: false, showTitle: false) {
       //root.toggleClass('tree-view', false);
   
  
positive.code:         focusElement = div(c: 'badge focus-title')
        ])
      ]);
  
      bool hidden = state['errorViewShowing'] == false;
      hidden ? hide() : show();
  
negative.code: 
      enabled = atom.config.getValue(_errorPref);
  
      view = new ErrorsView(enabled);
      statusElement = new ErrorsStatusElement(this, enabled);
  
      onProcessedErrorsChanged.listen(_handleErrorsChanged);
  