Log Message:
-----------
Revert recent change of to_char('HH12') handling for intervals; instead
improve documentation, and add C comment.
Modified Files:
--------------
pgsql/doc/src/sgml:
func.sgml (r1.505 -> r1.506)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/func.sgml?r1=1.505&r2=1.506)
pgsql/src/backend/utils/adt:
formatting.c (r1.165 -> r1.166)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/formatting.c?r1=1.165&r2=1.166)