>> How do I build the doc?
> http://developer.postgresql.org/docs/postgres/docguide-build.html
That worked.
I couldn't find the Red Hat ES4 package that contains the
'collateindex.pl' script that the build process needs, so I had to go
hunting. I got that Perl script at
http://www.ibiblio.org/godoy/sgml/docbook/howto/collateindex.pl, and
then the HTML doc built properly.