Log Message:
-----------
Recognize RETURN QUERY via a textual test, so that QUERY doesn't need to be
a plpgsql keyword. This avoids springing a new reserved word on plpgsql
programmers.
For consistency, handle RETURN NEXT the same way.
Modified Files:
--------------
pgsql/src/pl/plpgsql/src:
gram.y (r1.105 -> r1.106)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpgsql/src/gram.y?r1=1.105&r2=1.106)
scan.l (r1.58 -> r1.59)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpgsql/src/scan.l?r1=1.58&r2=1.59)