anchor.diff:    const resetFilenameAddedDeletedLineCountHandlers = () => {
   
       const display = (node, name, value) => {
  -      // only [+][-] counts for current filename are live
  +      // Only [+][-] counts for current filename are live
         if ($(node).html() === '&nbsp;') { return; }
         if ($(node).attr('disabled') !== 'disabled') {
           const filename = $(node).data('filename');
  
positive.code:       html += makeTd(makeDiffLineCountIcon('deleted', '&mdash;'));
        html += makeTd(makeDiffLineCountIcon('added', '+'));
        html += makeTd(makeDiffLineCountIcon('same', '='));
        html += makeTd(makeDiffHelpIcon()); // aligns withs glyph-id
      }
      html += makeTd(''); // aligns with filename-td
      html += '</tr>';
      return html;
    };
  
negative.code: 
    // - - - - - - - - - - - - - - - - - - - - - - - -
    const isVisible = (event) => {
      // Eg don't show event[0] == creation
      switch (event.colour) {
      case 'pulling':
      case 'red':
  