Re: Introductory material on hygienic macros in dr scheme

["Pierpaolo BERNARDI" <bernardp@CLI.DI.Unipi.IT>]

I wrote:

> begin (possibly implicit): no expression after a sequence of internal
> definitions in: ((define x 33))
> 
> While the same expression works in Chez, where the (define x ...) is
> considered
> top level.
> 
> >From reading the r5rs is not clear to me which behaviour is correct.
> 
> I have some code that depends on the Chez behaviour, and I am
> wondering if I had it working only by luck.

tspl2ed says: 

"A let-syntax or letrec-syntax form may expand into one or 
more expressions anywhere expressions are permitted, in 
which case the resulting expressions are treated as if enclosed 
in a begin expression."

thus agreeing with what Chez does (no wonder, here).

Any thought?

P.