Log Message:
-----------
Update back-branch release notes.
Tags:
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REL8_1_STABLE
Modified Files:
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pgsql/doc/src/sgml:
release.sgml (r1.400.2.57 -> r1.400.2.58)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release.sgml?r1=1.400.2.57&r2=1.400.2.58)