anchor.diff:        }
       };
       let result = [];
  -    $.each(sorted, (_, filename) => {
  -      result.push(diffFor(filename));
  -    });
  +    sorted.forEach(filename => result.push(diffFor(filename)));
       return result;
     };
   
  
positive.code:   const makeTrafficLightsHtml = () => {
      let html = '';
      let number = 1;
      $.each(param.events, (_index, event) => {
        if (isVisible(event)) {
          html += makeTrafficLightHtml(event, number);
          number += 1;
  
negative.code:   // - - - - - - - - - - - - - - - - - - - - - - - -
    const sortedDiffs = (diffs) => {
      let filenames = [];
      diffs.forEach(diff => filenames.push(diffFilename(diff)));
      // ensure filenames appear in the same order as kata/edit page
      const sorted = cd.sortedFilenames(filenames);
      const diffFor = (filename) => {
  