Log Message:
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Fix \df to re-allow regexp special characters in the function name pattern.
This has always worked, up until somebody's thinko here:
http://archives.postgresql.org/pgsql-committers/2009-04/msg00233.php
Per bug #5143 from Piotr Wolinski.
Modified Files:
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pgsql/src/bin/psql:
describe.c (r1.228 -> r1.229)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/describe.c?r1=1.228&r2=1.229)