anchor.diff:        common_annotations: {
           title: 'Common Annotations <kbd>></kbd>',
           cmd: 'common_annotations',
  -        action: function(event, ui){ return false; },
  -        children: [
  -        <% annotation_categories.each do |annotation_category| %>
  -          {
  -            title: '<%= truncate(annotation_category.annotation_category_name, length: 40) %>',
  -            cmd: 'annotation_category_<%= annotation_category.id %>',
  -            action: function(event, ui){ return false; },
  -            children: [
  -            <% if annotation_category.annotation_texts.empty? %>
  -              {
  -                title: '<%= t('marker.annotation.no_annotation_in_this_category') %>',
  -                action: function(event, ui){ return false; }
  -              }
  -            <% end %>
  -
  -            <% annotation_category.annotation_texts.each do |annotation_text| %>
  -              {
  -                title: '<%= truncate(annotation_text.content, length: 70) %>',
  -                cmd: 'annotation_text_<%= annotation_text.id %>',
  -                action: function(){
  -                  add_existing_annotation(<%= annotation_text.id %>, <%= result.id %>);
  -                }
  -              },
  -            <% end %>
  -            ]
  -          },
  -        <% end %>
  -        ],
           disabled: true
         },
         delete_annotation: {
  
positive.code:                                 selection_exists);
          $(document).contextmenu('enableEntry', 'common_annotations',
                                  selection_exists);
          $(document).contextmenu('showEntry', 'common_annotations',
                                  menu_items.common_annotations.children.length > 0);
  
          // Enable "delete" menu item if an annotation was clicked.
          var annotation_selected = (function() {
  
negative.code:       }
      });
    })();
  
    (function() {
     var common_annotations = [
      <% annotation_categories.each do |annotation_category| %>
        {
          title: '<%= truncate(annotation_category.annotation_category_name, length: 40) %> <kbd>></kbd>',
          cmd: 'annotation_category_<%= annotation_category.id %>',
          action: function(event, ui){ return false; },
          children: [
          <% if annotation_category.annotation_texts.empty? %>
            {
              title: '<%= t('marker.annotation.no_annotation_in_this_category') %>',
              action: function(event, ui){ return false; }
            }
          <% end %>
  
          <% annotation_category.annotation_texts.each do |annotation_text| %>
            {
              title: '<%= truncate(annotation_text.content, length: 70) %>',
              cmd: 'annotation_text_<%= annotation_text.id %>',
              action: function(){
                add_existing_annotation(<%= annotation_text.id %>, <%= result.id %>);
              }
            },
          <% end %>
          ]
        },
      <% end %>
      ];
  
      if (common_annotations.length > 0) {
        $(document).contextmenu("setEntry", "common_annotations", {
          title: 'Common Annotations <kbd>></kbd>',
          cmd: 'common_annotations',
          addClass: 'has_common_annotations',
          action: function(event, ui){ return false; },
          children: common_annotations,
          disabled: true
        });
      }
    })();
  </script>