Log Message:
-----------
Update pg_constraint.conkey documentation description.
Modified Files:
--------------
pgsql/doc/src/sgml:
catalogs.sgml (r2.194 -> r2.195)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/catalogs.sgml?r1=2.194&r2=2.195)