Log Message:-----------Update pg_upgrade IMPLEMENTATION doc file to match current 9.0 behavior.
Modified Files:-------------- pgsql/contrib/pg_upgrade: IMPLEMENTATION (r1.1 -> r1.2) (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/IMPLEMENTATION?r1=1.1&r2=1.2)
