Log Message: ----------- Mention 'void' as the proper return type when there's nothing to return, per suggestion from Joachim Wieland.
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
create_function.sgml (r1.68 -> r1.69)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_function.sgml.diff?r1=1.68&r2=1.69)
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