Log Message:
-----------
Remove mention that \x doesn't affect backslash commands.
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
psql-ref.sgml (r1.150 -> r1.151)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/psql-ref.sgml.diff?r1=1.150&r2=1.151)