code: protected function acceptPageEnd()
      {
          while (count($this->open_forms)) {
              $this->complete_forms[] = array_pop($this->open_forms);
          }
          foreach ($this->left_over_labels as $label) {
              for ($i = 0, $count = count($this->complete_forms); $i < $count; $i++) {
                  $this->complete_forms[$i]->attachLabelBySelector(
                          new SelectById($label->getFor()), $label->getText());
              }
          }
          $this->page->setForms($this->complete_forms);
          $this->page->setFrames($this->loading_frames);
      }
docs: Marker for end of complete page. Any work in progress can now be closed.