> > I did not mean visible, I meant useable, like in
> > create function xx(any) returns text ...;
> > If that is possible, what is the difference to opaque ?
>
> "any" will have the same behavior that "opaque" used to have, yes.
Ok, now I vote, that you don't implement "any" and use "opaque".
I don't think we want two types that do the same thing.
Is it that you like the name "any" more than "opaque" ?
I am confused.
Andreas