code: protected function acceptTag($tag)
      {
          if ($tag->getTagName() === 'a') {
              $this->page->addLink($tag);
          } elseif ($tag->getTagName() === 'base') {
              $this->page->setBase($tag->getAttribute('href'));
          } elseif ($tag->getTagName() === 'title') {
              $this->page->setTitle($tag);
          } elseif ($this->isFormElement($tag->getTagName())) {
              for ($i = 0; $i < count($this->open_forms); $i++) {
                  $this->open_forms[$i]->addWidget($tag);
              }
              $this->last_widget = $tag;
          }
      }
docs: Adds a tag to the page.
  
  @param SimpleTag $tag        Tag to accept.