Log Message:
-----------
Mention version portability of pg_dump.
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
pg_dump.sgml (r1.84 -> r1.85)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/pg_dump.sgml.diff?r1=1.84&r2=1.85)