Re: with-syntax return error in Guile, not in Kawa or Racket

[Jean Abou Samra]

> (with-syntax ((parsed-evaluated-args
>                (datum->syntax #f (cons 'list 
> (optimizer-parse-square-brackets-arguments-lister
>                                               (syntax->datum 
> #'args-brackets))))))

That should work, but it's also non-hygienic. For example, it will
be affected if the user does

(let ((list ...))
  (call-your-macro ...))

and since you use #f in the datum->syntax call, it will also strip away
all hygiene annotations from the args-brackets, causing problems inside
that as well.

I'd advise you refactor your optimizer-parse-square-brackets-arguments-lister
function so that it takes #'args-brackets instead of (syntax->datum 
#'args-brackets)
and works with it in a hygienic way.

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