Log Message:
-----------
Teach regex_fixed_prefix() the correct handling of advanced regex
escapes --- they aren't simply quoted characters. Problem noted by
Antti Salmela. Also fix problem with incorrect handling of multibyte
characters when followed by a quantifier.
Modified Files:
--------------
pgsql/src/backend/utils/adt:
selfuncs.c (r1.167 -> r1.168)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/selfuncs.c.diff?r1=1.167&r2=1.168)