Log Message:
-----------
Link from pg_shadow docs to pg_authid docs.
Per discussion with Josh Kupershmidt.
Modified Files:
--------------
pgsql/doc/src/sgml:
catalogs.sgml (r2.228 -> r2.229)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/catalogs.sgml?r1=2.228&r2=2.229)