SV: strange macro "or" behavior in CormanLisp2.01

"Pavel Grozman" <[email protected]>
Newsgroups gmane.lisp.corman
Message-ID <[email protected]>
CormanLisp tries to evaluate constant subexpressions.
Without constants it works as it should:

(setq x 0)
0
(or 13 (/ 1 x))
13

Pavel Grozman

> Hi, Corman Lisp Gurus,
>
> I've noticed the following when I was doing a excercise in
> Paul Graham's ANSI Common Lisp:
>
> [Corman Common Lisp 2.01]
> (or 13 (/ 1 0))
> ;;; An error occurred in function /:
> ;;; Error: Divide by zero error: 1 / 0
> ----snip----
>
> [Allegro Common Lisp 6.2]
> CL-USER(1): (or 13 (/ 1 0))
> 13
> CL-USER(2):
>
> Macro OR should evaluate each form, one at a time, from left to right.
> I think that Corman Lisp generates bad result.
>
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