Log Message:
-----------
Remove duplicate interval (fractional seconds) items; Ron Mayer
Modified Files:
--------------
pgsql/doc/src/sgml:
release.sgml (r1.599 -> r1.600)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release.sgml?r1=1.599&r2=1.600)