Recognise yet ANOTHER location where docbookx.dtd may be found -- this time, it's /usr/share/sgml/docbook/dtd/4.2 which is what my Debian testing laptop uses.  Must be a change in sarge.
Recognise yet ANOTHER location where docbookx.dtd may be found -- this
time, it's /usr/share/sgml/docbook/dtd/4.2 which is what my Debian
testing laptop uses.  Must be a change in sarge.

nla/yaz,nla/yaz,dcrossleyau/yaz,dcrossleyau/yaz,nla/yaz,dcrossleyau/yaz,nla/yaz