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On Wed, Mar 14, 2018 at 4:10 PM, Axel Kittenberger <> wrote:
> If it instead would be a new 'delete' and 'in' operator, you wouldn't have
> this complaint, you can't use it otherwhere. IMO it's still just the
> confusion you think of it as some kind of new value, which is
> understandable, but it isn't.

I am perfectly aware it is not a value but a keyword (I explicitly
state it in my previous messages). My only concern is about having two
different way to indicate "Emptyness": a value one for the functions
(nil) and a keyword one for the tables (undef).