anchor.diff:        return res;
       }
   
  -    function _matchHighlighter(li, query, search_filter) {
  +    function _matchHighlighter(li, query, searchFilter) {
         var $li, re;
   
         function highlight(el, sel, re) {
  
positive.code:     }
  
      // check if query has some hits and disables the buttons without it
      function resourcesChecker(query, search_filter) {
        var src_btn, $element;
  
        switch (search_filter) {
          case 'task#':
            src_btn = 'tsk';
            break;
          case 'project#':
            src_btn = 'prj';
            break;
          case 'experiment#':
            src_btn = 'exp';
            break;
          default:
            var $type = $('.atwho-view[style] .btn-primary').data('filter');
            src_btn = _.isUndefined($type) ? 'sam' : $type;
            break;
        }
  
        $.getJSON(
          dataMenuItemsUrl,
  
negative.code:               {query: query},
                function(data) {
                  callback(data.res);
                  initButtons(query, 'prj');
                }
              );
            },
  