public function save( $fileName )
	{
		$svg	= $this->encapsulate( $this->content );
		$doc	= new DOMDocument();
		$doc->preserveWhiteSpace = false; 
		$doc->formatOutput = true;
		$doc->loadXml( $svg );
		$svg	= $doc->saveXml();
		return FS_File_Writer::save( $fileName, $svg );
	}