Peter Eisentraut <peter_e@gmx.net> writes:
> I was under the impression that our PL/pgSQL is at least partially an
> attempt to implement SQL:2003, part 4.
No, it's an attempt to emulate Oracle's PL/SQL. Any similarity to spec
documents dated later than the original creation of plpgsql (1998) is
quite accidental...
regards, tom lane