Log Message:
-----------
Some desultory copy-editing on the backup/restore docs.
Modified Files:
--------------
pgsql/doc/src/sgml:
backup.sgml (r2.110 -> r2.111)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/backup.sgml?r1=2.110&r2=2.111)