reader.setProperty( "http: this);
	public Modification[] parse(InputSource is)		throws ParserConfigurationException, IOException, SAXException {		SAXParserFactory saxFactory = SAXParserFactory.newInstance();		saxFactory.setNamespaceAware(true);		saxFactory.setValidating(false);		SAXParser sax = saxFactory.newSAXParser();		XMLReader reader = sax.getXMLReader();		reader.setContentHandler(this);		reader.setProperty(			"http://xml.org/sax/properties/lexical-handler",			this);		reader.parse(is);		Modification mods[] = new Modification[modifications.size()];		return (Modification[]) modifications.toArray(mods);	}