Log Message:
-----------
Add hint for to_char(interval) invalid format specifications.
Modified Files:
--------------
pgsql/src/backend/utils/adt:
formatting.c (r1.98 -> r1.99)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/formatting.c.diff?r1=1.98&r2=1.99)