Log Message:
-----------
Update PL/pgSQL trigger example to be clearer about how to "merge" data
into a table.
Jim C. Nasby
Modified Files:
--------------
pgsql/doc/src/sgml:
plpgsql.sgml (r1.83 -> r1.84)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/plpgsql.sgml.diff?r1=1.83&r2=1.84)