anchor.diff:    }
   });
   
  -// when on rubric criteria, use the arrow keys to hover over the next rubric
  +// When on rubric criteria, use the arrow keys to hover over the next rubric
   Mousetrap.bind('down', function(e) {
     $current_criteria = $('.active-criterion');
     if ($current_criteria.length &&
  
positive.code:   }
  });
  
  // press shift+n for new annotation modal to appear
  Mousetrap.bind('shift+n', function(e) {
    if ($('#annotation_dialog:visible').length == 0) {
      make_new_annotation();
    }
  });
  
  // when shift+enter is pressed and the annotation modal is open, submit it
  Mousetrap.bind('shift+enter', function(e) {
    if ($('#annotation_dialog:visible').length) {
      e.preventDefault();
  
negative.code:   }
  });
  
  // When enter is pressed, and there is an active rubric selected, trigger select and collapse
  Mousetrap.bind('enter', function(e) {
    if ($('.active-rubric').length) {
      e.preventDefault();
  