anchor.diff:    // - - - - - - - - - - - - - - - - - - - - - - - -
   
     const isTrueFile = (diff) => {
  -    const filename = diff.filename;
  +    const filename = diffFilename(diff);
       return !['stdout','stderr','status'].includes(filename);
     };
   
  
positive.code:     });
      html += '</table>';
      html += '<table class="sss filenames">';
      html += makeDiffTr(diffs.find(diff => diff.filename === 'stdout'), '&nbsp;');
      html += makeDiffTr(diffs.find(diff => diff.filename === 'stderr'), '&nbsp;');
      html += makeDiffTr(diffs.find(diff => diff.filename === 'status'), '&nbsp;');
      html += '</table>';
      return html;
    };
  
negative.code:   const makeDiffFilename = (diff) => {
      return outerHTML($('<div>', {
        'class': `diff-filename ${diff.type}`,
        'data-filename': diffFilename(diff),
        'id': `radio_${diff.id}`,
        'text': diffFilename(diff)
      }));
    };
  
    const diffFilename = (diff) => {
      if (diff.new_filename) {
        return diff.new_filename;
      } else {
        return diff.old_filename;
      }
    };
  
    // - - - - - - - - - - - - - - - - - - - - - - - -
  