protected function isXsl(DOMNode $node, $localName = null)
	{
		return ($node->namespaceURI === self::XMLNS_XSL && (!isset($localName) || $localName === $node->localName));
	}
protected function isXsl(DOMNode $node, $localName = null)
	{
		return ($node->namespaceURI === self::XMLNS_XSL && (!isset($localName) || $localName === $node->localName));
	}
protected function isXsl ( DOMNode $ node , $ localName = null ) { return ( $ node -> namespaceURI === self :: XMLNS_XSL && ( ! isset ( $ localName ) || $ localName === $ node -> localName ) ) ; }
Test whether given node is an XSL element

@param  DOMNode $node
@param  string  $localName
@return bool
Test whether given node is an XSL element