anchor.diff:      "traffic-light's files"
     ].join('<br/>');
   
  -  //- - - - - - - - - - - - - - - - - - - - - - - - -
     const openForkDialog = () => {
       const xPos = $button.offset().left;
       const yPos = $button.offset().top + 30;
  
positive.code:       closeOnEscape: true,
      });
    };
  
    //- - - - - - - - - - - - - - - - - - - - - - - - -
    // NB: logically there is other possibilities
    // - In a group, you could fork a new avatar (in that group)
    // - A "Deep-Fork" where the new session has the full git
    //   history of the forked-from session.
    // At present, there is no support for these.
  
    const fork = (type) => {
      $fork.dialog('close');
  
negative.code:     });
    };
  
    const error = (request, status, thrown) => {
      const message = [
        request.responseText,
  