Log Message:
-----------
Fix example of how to escape data in psql backslash commands.
Modified Files:
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pgsql/doc/src/sgml/ref:
psql-ref.sgml (r1.164 -> r1.165)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/psql-ref.sgml.diff?r1=1.164&r2=1.165)