anchor.diff:  
     GOVUK.tariff = {
         /**
  +        @name GOVUK.tariff.tableEnhancements
  +        @object
  +        @description Behaviours for tables
  +      */
  +      tableEnhancements: {
  +        initialize : function () {
  +          this.addDividerLines();
  +        },
  +        addDividerLines : function () {
  +          $('table.specific-countries').each(function () {
  +            var $groupRows = $(this).find('.has_children').closest('tr');
  +            if ($groupRows.length > 1) {
  +              $groupRows.eq($groupRows.length - 1).addClass('last-country-group');
  +            }
  +          });
  +        }
  +      },
  +      /**
           @name GOVUK.tariff.tree
           @object
           @description Behaviours for expandable trees
  
positive.code:                   $(evt.target)[action + 'Class']('description-hover');
                  }
                };
  
                addDividerLine = function () {
                  $('table.specific-countries').each(function () {
                    var $groupRows = $(this).find('.has_children').closest('tr');
                    if ($groupRows.length > 1) {
                      $groupRows.eq($groupRows.length - 1).addClass('last-country-group');
                    }
                  });
                };
                addDividerLine();
  
                $parentNodes.each(function (idx) {
                    var $parentNode = $(this),
  
negative.code:                   effectAll,
                    setMembers,
                    controlHover,
                    clickBranch;
  
                if (!$parentNodes.length) { return; }
  