I'm pretty sure Dave Pawson has an FAQ about this,
I don't remember DocBook specific stuff there, but it's already a few weeks since i last looked.
but unfortunately his site appears to be down at the moment:
They pulled the plug, presumably because of too much traffic. He's currently searching a new home, look for a thread with subject "XSLT faq website closed" in the XSL list archive.
J.Pietschmann
