On Wed, 25 May 2011 10:30:09 -0400, Sztefan Edwards <saedwards.ecc-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote: > I haven't used it much, nor studied the implications thereof, > but would something like this satisfy the problem? Not in general. The main point of hygienic macros, and syntax-case and syntax-rules systems in particular, are that hygiene is taken care of automatically. You should never need to explicitly play with identifiers, because lexical scoping rules should handle things perfectly well. Anything more than that brings you straight back into the realm of defmacro. Aaron W. Hsu -- Programming is just another word for the lost art of thinking.