anchor.diff:    };
   
     //- - - - - - - - - - - - - - - - - - - - - - - - -
  -  const setupTcrCheckBox = ($node, colour) => {
  -    const $checkbox = $(`#${colour}-tcr-checkbox`, $node);
  -    $checkbox
  -      .prop('checked', tcr[colour])
  -      .change(() => tcr[colour] = $checkbox.prop('checked'));
  -  };
  -
  -  //- - - - - - - - - - - - - - - - - - - - - - - - -
     const complete = (colour) => {
       if (tcr[colour]) {
  -      //alert('revert???');
  +      // TODO:
  +      // o) get colour of last traffic-light
  +      // o) compare to colour arg
  +      // o) if different then revert 
       }
     };
   
  
positive.code:   };
  
    //- - - - - - - - - - - - - - - - - - - - - - - - -
    const setupRagClick = (handler, $node, colour) => {
      $(`div#predict-${colour}`, $node).click(() => {
        $node.remove();
  
negative.code:   };
  
    //- - - - - - - - - - - - - - - - - - - - - - - - -
    const blurb = (colour, text) => `<div class="predict-blurb ${colour}">${text}</div>`;
  
    //- - - - - - - - - - - - - - - - - - - - - - - - -
    const tcrRow = (rag, blurb) =>
      '<tr>' +
        `<td>${lightImg(rag)}</td>` +
        `<td>${blurb}</td>` +
  