Log Message:
-----------
Minor additions and typo fixes for the backup documentation. Patch from
Simon Riggs, minor editorialization by Neil Conway.
Modified Files:
--------------
pgsql/doc/src/sgml:
backup.sgml (r2.86 -> r2.87)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/backup.sgml.diff?r1=2.86&r2=2.87)