anchor.diff:        }
       });
     };
  +
  +  // - - - - - - - - - - - - - - - - - - - - - - - -
   
     var forkFailedDialog = function(reason) {
       var message =
  
positive.code:     });
    };
  
    //- - - - - - - - - - - - - - -
  
    var deleteAllCurrentFiles = function() {
      $.each(cd.filenames(), function(_, filename) {
  
negative.code:     return holder;
    };
  
    // - - - - - - - - - - - - - - - - - - - - - - - -
  
    var showFile = function(filenameId) {
      var filename =  $('#radio_' + filenameId);
      filename.click();
      filename.scrollIntoView({ direction: 'vertical' });
    };
  
    // - - - - - - - - - - - - - - - - - - - - - - - -
  
    var show = function(tag) {
      // preserve diff on/off state
  