On Sat 25 Feb 2012 00:34, "Aaron W. Hsu" <arcfide@sacrideo.us> writes:

> Do you have an example of how unbound and bound variables with different
> treatments might affect macro expansion? The only thing I can think of is
> the case where a few implementations wrongly (IMO) broke hygienic guarantees
> (such as they are, or are implied) in REPLs because top-level variables
> could shadow one another in multiple invokations of a macro.

I think my only example is the one from before, which you summarized
in your previous mail, and which Andre first raised many months ago in
the "Are introduced toplevel bindings secret?" thread.

Andy
--
http://wingolog.org/

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