Log Message:
-----------
Update some obsolete stuff in the GRANT and REVOKE reference pages:
simplify the syntax examples by unifying user and group cases, and fix
no-longer-correct example of psql \z output. Per Erwin Brandstetter.
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
grant.sgml (r1.66 -> r1.67)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/grant.sgml?r1=1.66&r2=1.67)
revoke.sgml (r1.45 -> r1.46)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/revoke.sgml?r1=1.45&r2=1.46)