Re: 3.99.2 problems

From: Erick Gallesio <eg_at_unice.fr>
Date: Mon, 20 Jul 1998 20:34:56 +0200 (CEST)

Ian Wild writes:

> I've been playing with this over the weekend. It turns out
> that set-cdr! is working as expected, but the top level REPL
> can't print dotted pairs! Just try '(a . b), for example.
>
Oops. In fact it can print very complicated things such as:
  (let ((l1 '(1 2 3))
        (l2 '(a b)))
     (list l1 l2 (cons l2 l1)))
        ==> (#0=(1 2 3) #1=(a b) (#1# . #0#))

but not such a simple thing as simple cons ;-)

> This seems to be a bug in the "print circular" code, possibly
> in print.c/printlist_star(). I can't say I understand the code
> well enough to be sure this won't break it further but, on my home
> machine, the following patch makes the problem go away:

I have applied your patch to the current development tree
Thanks.


                -- Erick
Received on Mon Jul 20 1998 - 20:49:07 CEST