Log Message:
-----------
Cause plpgsql to throw an error if "INTO rowtype_var" is followed by a comma.
Per bug #5352, this helps to provide a useful error message if the user
tries to do something presently unsupported, namely use a rowtype variable
as a member of a multiple-item INTO list.
Modified Files:
--------------
pgsql/src/pl/plpgsql/src:
gram.y (r1.140 -> r1.141)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpgsql/src/gram.y?r1=1.140&r2=1.141)