Log Message:-----------Improve pgarchivecleanup documentation, per comments from Satoshi Nagayasu.
Modified Files:-------------- pgsql/doc/src/sgml: pgarchivecleanup.sgml (r1.2 -> r1.3) (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/pgarchivecleanup.sgml?r1=1.2&r2=1.3)
