Re: [Chicken-users] unbound variable: or

[Peter Bex]

On Tue, Jun 02, 2015 at 07:27:11PM -0400, John Cowan wrote:
> Define-macro was never part of any Scheme standard.  Nonetheless, of
> the 33 Schemes in my test suite with macros of some kind, all have
> syntax-rules, 15 have define-macro (MIT is not one of them), 13 have
> syntax-case, 5 have explicit renaming, 2 have syntactic closures, and 1
> have explicit renaming.

ITYM "1 has implicit renaming".  There is one other Scheme that I'm aware
of which has implicit renaming macros: Picrin Scheme:
https://github.com/picrin-scheme/picrin

It's pretty cool in that it supports both er/ir macros *and* syntactic
closures.

Cheers,
Peter

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