> On Jan 4, 2017, at 2:47 PM, Gustavo Massaccesi <gust...@oma.org.ar> wrote:
> 
> I'm not sure that it's so easy. The transformation must ensure that
> this program works correctly:


Oh, I didn't say it was easy. Macro mischief: always with us.

#lang racket
(define-syntax-rule (range x ...)
  (reverse (for/list ([i (in-range x ...)])
                     i)))
(for ([i (range 5)])
     (displayln i))

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