docs: function (out) {
              this._frame.writeMarkupEnd(out);
              var label = this._cfg.label;
              if (label) {
                  var ariaHidden = this._cfg.waiAria ? ' aria-hidden="true"' : '';
                  out.write('<span class="xFieldset_' + this._cfg.sclass + '_normal_label"' + ariaHidden + '>' + ariaUtilsString.escapeHTML(label) + '</span>');
              }
          }