Log Message:
-----------
Document that REVOKE doesn't remove all permissions if PUBLIC has permissions.
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
revoke.sgml (r1.46 -> r1.47)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/revoke.sgml?r1=1.46&r2=1.47)