anchor.diff:  
       _showGist(gistId, run: page == 'run');
       _storePreviousResult();
  +  }
  +
  +  void registerStrongMode() {
  +    showStrong();
  +    querySelector('#strongmode').onChange.listen((e) {
  +      _performAnalysis();
  +    });
     }
   
     void registerMessageToast() {
  
positive.code:   /**
     * Return if strong mode should be enabled
     */
    bool _isStrongMode(String strong) {
      if (strong == null) return false;
      return !(strong == 'false' || strong == 'f');
    }
  
    /**
  
negative.code:     registerCancelExportButton();
      registerAffirmExportButton();
      registerConsole();
      registerStrongMode();
      _clearOutput();
    }
  
  