anchor.diff:  
   <script type="text/javascript"><!--
   
  -$(function() {
  +$(() => {
   
     //---------------------------------------------------------------------
     // This review page doubles as a review *dialog* from the kata/edit page
  
positive.code:   const refreshTrafficLights = () => {
      const trafficLights = $('#review-traffic-lights');
      trafficLights.html(makeTrafficLightsHtml(param.lights));
      $.each($('img[src$="_gap.png"]'), function(_, light) {
        const index = $(this).data('index');
        const tag = $(this).data('tag');
        $(this)
          .attr('title', toolTip(index))
          .click(() => { show(tag); });
      });
  
negative.code:       button
          .attr('title', toolTip(newTag))
          .unbind('click')
          .bind('click', () => { show(newTag); });
      }
    };
  
  