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Re: undefine (Re: Reintroducing old `defined?')

Mikael Djurfeldt <mdj@nada.kth.se> writes:


> > Does r5rs mention `undefine' at all?  I don't like undefine because
> > it is hard to implement:
> 
> This should be considered a bug.
> It should be fixed when we have the new module system.
> (Use unmemoization.)

Umm, it seems that MIT Scheme, RScheme, SCM and Scheme48 don't support
`undefine' either.

:)


Jost