Log Message:
-----------
Clarify description of typmod input function, per Jeff Davis.
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
create_type.sgml (r1.73 -> r1.74)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_type.sgml?r1=1.73&r2=1.74)