Log Message:
-----------
Clarify some behaviours of REASSIGN OWNED and DROP OWNED BY.
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
drop_owned.sgml (r1.6 -> r1.7)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/drop_owned.sgml?r1=1.6&r2=1.7)
reassign_owned.sgml (r1.4 -> r1.5)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/reassign_owned.sgml?r1=1.4&r2=1.5)