anchor.diff:      const $tr = $('<tr>');
       if (review.inDiffMode()) {
         $tr.append(
  -        $makeTd($makeDiffCount(diff, 'deleted')),
  -        $makeTd($makeDiffCount(diff, 'added')),
  -        $makeTd($makeDiffCount(diff, 'same')),
  -        $makeTd($makeDiffType(diff))
  +        $makeDiffCountTd(diff, 'deleted'),
  +        $makeDiffCountTd(diff, 'added'),
  +        $makeDiffCountTd(diff, 'same'),
  +        $makeDiffTypeTd(diff)
         );
       }
       $tr.append($makeTd(review.makeDiffFilename(diff)));
  
positive.code:   };
  
    // - - - - - - - - - - - - - - - - - - - - - - - -
    const $makeDiffCount = (diff, cssName) => {
      const lineCount = diff.line_counts[cssName];
      const css = lineCount > 0 ? cssName : '';
      const $div = $('<div>', {
  
negative.code:       $div.attr('data-tip', hoverTip);
        cd.setupHoverTips($div);
      }
      return $('<td>').append($div);
    };
  
    const oldFilenameTip = (diff) => {
  