StringReader sr = new StringReader(content.getStringValue());
InputSource is = new InputSource(sr);
is.setSystemId(baseURI);
Source source = new SAXSource(is);
source.setSystemId(baseURI);
Builder b = controller.makeBuilder();
Receiver s = b;
source = AugmentedSource.makeAugmentedSource(source);
((AugmentedSource)source).setStripSpace(Whitespace.XSLT);
if (controller.getExecutable().stripsInputTypeAnnotations()) {
s = controller.getConfiguration().getAnnotationStripper(s);