/**
* Append a child node to this element.
* Note that a tfoot may only contain tr elements.
* @param $e The element to add.
*/
public function appendChild(TrElement $e)
{
parent::appendChild($e);
}
/**
* Append a child node to this element.
* Note that a tr may only contain td and th elements.
* @param $e The element to add.
*/
public function appendChild(XHtmlTableCellElement $e)
{
parent::appendChild($e);
}