StringReader sr = new StringReader(content.getStringValue());
InputSource is = new InputSource(sr);
is.setSystemId(baseURI);
SAXSource source = new SAXSource(is);
source.setSystemId(baseURI);
Builder b = controller.makeBuilder();
Stripper s = controller.makeStripper(b);
try {
new Sender(controller.getConfiguration()).send(source, s);
return b.getCurrentDocument();
} catch (XPathException err) {