Log Message:
-----------
Restructure CREATE FUNCTION "NOTES" section to be shorter; move items
into proper sections, per suggestion from Tom.
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
create_function.sgml (r1.91 -> r1.92)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_function.sgml?r1=1.91&r2=1.92)