anchor.diff:        .text(name)
         .unbind('click')
         .bind('click', handler);
  -    if (name === 'checkout') { refreshCheckoutButton(); }
  -    if (name === 'fork'    ) { refreshForkButton();     }
     };
   
     // - - - - - - - - - - - - - - - - - - - - - - - -
  
positive.code:     });
    };
  
    //-----------------------------------------
    // refresh [fork]
    //-----------------------------------------
  
    const refreshForkButton = () => {
      const button = $('#fork-button');
      cd.setTip(button, () => {
        const tip = `create a new exercise<br/>from this traffic-light's files`;
  
negative.code:   // - - - - - - - - - - - - - - - - - - - - - - - -
    // There is only one call to cd.setReviewData() in
    // app/views/kata/_traffic_lights.html.erb
    // The [resume] & [checkout] buttons are only on kata/edit.
    // - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  
    cd.setReviewData = (version, id, groupId, avatarName, avatarIndex, wasIndex, nowIndex, filename) => {
      param = {
  