pgsql: Add to TODO: > > * Fix all set-returning system functions so

Log Message:
-----------
Add to TODO:

* Fix all set-returning system functions so they support a wildcard
target list

SELECT * FROM pg_get_keywords() works but SELECT * FROM
pg_show_all_settings() does not.

Modified Files:
--------------
pgsql/doc:
TODO (r1.2498 -> r1.2499)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/TODO?r1=1.2498&r2=1.2499)
pgsql/doc/src/FAQ:
TODO.html (r1.1004 -> r1.1005)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html?r1=1.1004&r2=1.1005)