anchor.diff:  
     // - - - - - - - - - - - - - - - - - - - - - - - -
   
  -  var setupButton = function(name, handler) {
  +  const setupButton = (name, handler) => {
       $('#'+name+'-button-container').html('<button id="'+name+'-button" type="button"></button>');
       $('#'+name+'-button')
         .text(name)
  
positive.code: 
    // - - - - - - - - - - - - - - - - - - - - - - - -
  
    var copyRevertFilesToCurrentFiles = function(visibleFiles) {
      var filename;
      for (filename in visibleFiles) {
        if (filename !== 'output') {
          cd.newFileContent(filename, visibleFiles[filename]);
  
negative.code: 
    // - - - - - - - - - - - - - - - - - - - - - - - -
  
    const forkFailedDialog = (reason) => {
      const message =
        'Failed: On the originating server, ' + reason + ' does not exist';
      $('<div>')
      .html(message)
  