Configures the pipeline.
// REVISIT: This should be better designed. In other words, we
// need to figure out what is the best way for people to
// re-use *most* of the standard configuration but do
// common things such as remove a component (e.g.the
// validator), insert a new component (e.g. XInclude),
// etc... -Ac
// setup document pipeline
fScanner.setDocumentHandler(fNamespaceBinder);
fNamespaceBinder.setDocumentHandler(fDocumentHandler);
fNamespaceBinder.setDocumentSource(fScanner);