Log Message:
-----------
Add INSERT statement to example so that it can be reproduced
from John Gage
Modified Files:
--------------
pgsql/doc/src/sgml:
xfunc.sgml (r1.149 -> r1.150)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/xfunc.sgml?r1=1.149&r2=1.150)