anchor.diff:    const lines = (str) => str.replace(/\n$/, '').split(/\r?\n/);
   
     //- - - - - - - - - - - - - - - - - - - - - - - - -
  -  const makeOutputFilenames = (stdout, stderr, status) => {
  -    let html = '';
  -    html += '<table class="sss filenames">';
  -    html += makeOutputFilename(stdout);
  -    html += makeOutputFilename(stderr);
  -    html += makeOutputFilename(status);
  -    html += '</table>';
  -    return html;
  +  const $makeOutputFilenames = (stdout, stderr, status) => {
  +    const $table = $('<table>', { class:'sss filenames' });
  +    $table.append($makeOutputFilenameTr(stdout));
  +    $table.append($makeOutputFilenameTr(stderr));
  +    $table.append($makeOutputFilenameTr(status));
  +    return $table;
     };
   
  -  const makeOutputFilename = (diff) => {
  -    return `<tr><td class="diff-filename" data-filename="${diff.filename}" id="radio_${diff.id}">${diff.filename}</td></tr>`;
  +  const $makeOutputFilenameTr = (diff) => {
  +    const $td = $('<td>', {
  +      class: 'diff-filename',
  +      'data-filename': diff.filename,
  +      id: `radio_${diff.id}`
  +    }).text(diff.filename);
  +    return $('<tr>').append($td);
     };
   
   });
  
positive.code: 
    //- - - - - - - - - - - - - - - - - - - - - - - - -
    const refreshOutputCallback = (event) => {
      const stdout = makeDiffOutput('stdout', event.stdout.content);
      const stderr = makeDiffOutput('stderr', event.stderr.content);
      const status = makeDiffOutput('status', event.status);
  
      const $diffContentOutput = $('#diff-content-output');
      const $stdout = review.makeDiffFileContent(stdout);
  
negative.code:   };
  
    //- - - - - - - - - - - - - - - - - - - - - - - - -
    const makeNoDiffOutput = (name, content) => {
      return {
              id: name, // real file diffs have a numeric diff.id
            type: 'unchanged',
        filename: name,
           lines: makeSameLines(content)
  