Log Message:
-----------
Remove useless References column for pg_listener catalog description. Per Shigehiro Honda.
Modified Files:
--------------
pgsql/doc/src/sgml:
catalogs.sgml (r2.200 -> r2.201)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/catalogs.sgml?r1=2.200&r2=2.201)