* debian/control: Homepage field transition. (Suggests): Replaced non-existing docbook-doc package with docbook-defguide. (Description): Added information about the included versions. * debian/docbook-xml.postinst: Removed (only pre-etch legacy stuff). * debian/docbook-xml.preinst: Parsing of dpkg status file is considered harmful. Replacing this with a dpkg-query call. Thanks to Guillem Jover for bringing this up. * debian/README.Debian: Added note about the DocBook guide.