Log Message:
-----------
Support '' for literal ' in psql single-quote strings, documentation update.
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
psql-ref.sgml (r1.162 -> r1.163)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/psql-ref.sgml.diff?r1=1.162&r2=1.163)
pgsql/src/bin/psql:
psqlscan.l (r1.18 -> r1.19)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/psqlscan.l.diff?r1=1.18&r2=1.19)