Html::__construct

public function __construct($content, BitrixMainWebDOMDocument $htmlDocument = null)
{
	parent::__construct($content);
	if($htmlDocument)
	{
		$this->htmlDocument = $htmlDocument;
	}
	else
	{
		$this->htmlDocument = new BitrixMainWebDOMDocument();
	}

	$this->htmlDocument->loadHTML($this->content);
}