Log Message:
-----------
Make expression locations for LIKE and SIMILAR TO constructs uniformly point
at the first keyword of the expression, rather than drawing a rather
artificial distinction between the ESCAPE subclause and the rest.
Per gripe from Gokulakannan Somasundaram and subsequent discusssion.
Modified Files:
--------------
pgsql/src/backend/parser:
gram.y (r2.686 -> r2.687)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/parser/gram.y?r1=2.686&r2=2.687)