anchor.diff:    setTrafficLightsCssWidth();
     setupButton('fork', () => cd.forkDialog(param.id, param.nowIndex));
     setForkButtonTip();
  -  if (!inTestPage()) {
  +  if (!inTestPage) {
       refresh();
     }
   
  
positive.code: <script type="text/javascript"><!--
  'use strict';
  $(() => {
  
    const inTestPage = () => {
      return $('#kata-page').length !== 0;
    };
  
    // - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    // After refresh() has been called param also contains
    // param.events
    //   holds the traffic-lights and is used to program
    //   the traffic-light [<][>] navigator buttons.
    // param.prevAvatarId
    // param.nextAvatarId
    //   hold the kata-ids and used is used to program
  
negative.code:   };
  
    //-----------------------------------------
    // [<][<]traffic-light-index[>][>]
    //-----------------------------------------
  
    const refreshIndexNavigator = () => {
  