Log Message:
-----------
Update GNU tar error code documentation.
Backpatch to 8.2.X.
Tags:
----
REL8_2_STABLE
Modified Files:
--------------
pgsql/doc/src/sgml:
backup.sgml (r2.95 -> r2.95.2.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/backup.sgml?r1=2.95&r2=2.95.2.1)