anchor.diff:    setupButton('fork', () => cd.forkDialog(param.id, param.nowIndex));
     setForkButtonTip();
     if (!inTestPage) {
  -    $('#review-page').show();
  +    $reviewPage.show();
       refresh();
     }
   
  
positive.code:       filename.click(loadFrom(diff));
      });
    }; // buildDiffFilenameHandlers()
  
    // - - - - - - - - - - - - - - - - - - - - - - - -
  
    const radioEntrySwitch = (previous, current) => {
      // See app/assets/stylesheets/wide-list-item.scss
      if (previous !== undefined) {
        previous.removeClass('selected');
      }
      $('.filename', $reviewPage).removeClass('selected');
      current.addClass('selected');
    };
  
    // - - - - - - - - - - - - - - - - - - - - - - - -
  
  
negative.code:        index: param.nowIndex
      };
      $.getJSON('/reverter/revert', checkoutParams, (data) => {
        $reviewPage.hide();
        $kataPage.show();
        deleteAllFiles();
        insertNewFiles(data.visibleFiles);
        $('#test-button').click();
  