Log Message:
-----------
Update release notes for 9.0 beta 4. Back-patch some changes that were made only in HEAD.
Tags:
----
REL9_0_STABLE
Modified Files:
--------------
pgsql/doc/src/sgml:
release-9.0.sgml (r2.39.2.1 -> r2.39.2.2)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release-9.0.sgml?r1=2.39.2.1&r2=2.39.2.2)