public function getInnerXml()
	{
		if ( is_null( $this->domNode ) ) return null;
		$owner = $this->domNode instanceof \DOMDocument ? $this->domNode : $this->domNode->ownerDocument;
		$xml = $owner->saveXml( $this->domNode, LIBXML_NOEMPTYTAG );
		$xml = ltrim( preg_replace( "/^<\?xml.*\?>/", "", $xml ) );
		$xml = ltrim( preg_replace( "/^<!DOCTYPE[^>[]*(\[[^]]*\])?>/s", "", $xml ) );
		return $xml;
	}