Log Message:
-----------
Document in release notes that NOT IN is only for NOT EXIST clauses.
Andrew Gierth
Modified Files:
--------------
pgsql/doc/src/sgml:
release.sgml (r1.609 -> r1.610)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release.sgml?r1=1.609&r2=1.610)