Re: Macro bug

[Arthur A. Gleckler]

On Wed, Feb 12, 2020 at 5:26 AM Joe Marshall <address@hidden> wrote:

Macros don't seem to be hygienic in Release 10.1.10

(define (quux) (display "quux") 'quux)

(define (foo) (display "foo") #f)

(define-syntax or2

  (syntax-rules ()

    ((or2 form1 form2)

     (let ((temp form1))

       (if temp

           temp

           form2)))))

(let ((temp (quux))) (or2 (foo) temp))

quuxfoo

#f  ; Wrong! Should be 'quux

I just checked, and this returns quux as of HEAD (9f175968f).  (CPH has made several macro fixes recently.)