Log Message:
-----------
Update psql docs for recent octal-only string behavior.
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
psql-ref.sgml (r1.136 -> r1.137)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/psql-ref.sgml.diff?r1=1.136&r2=1.137)