docs: function () {
              loadRequested = false;
              pageContent.unload();
              pageText.unload();
              if (status === PAGE_STATUS_LOADED) {
                  status = PAGE_STATUS_NOT_LOADED;
                  $el.addClass(CSS_CLASS_PAGE_LOADING);
                  $el.removeClass(CSS_CLASS_PAGE_ERROR);
                  scope.broadcast('pageunload', { page: pageNum });
              }
          }