Log Message:
-----------
Clarify ellipses use in archive_command example, per Josh Kupershmidt.
Modified Files:
--------------
pgsql/doc/src/sgml:
backup.sgml (r2.145 -> r2.146)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/backup.sgml?r1=2.145&r2=2.146)