GNU bug report logs - #58109
simple-format vs (ice-9 format) bug in 3.0.7?

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Message #11 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Jean Abou Samra <jean <at> abou-samra.fr>
To: Christopher Lam <christopher.lck <at> gmail.com>, bug-guile <at> gnu.org,
 guile-devel <guile-devel <at> gnu.org>
Subject: Re: simple-format vs (ice-9 format) bug in 3.0.7?
Date: Tue, 27 Sep 2022 12:38:29 +0200

Le 27/09/2022 à 12:35, Jean Abou Samra a écrit :
>
>
> Le 27/09/2022 à 12:23, Christopher Lam a écrit :
>> Hi guilers, here's a short bash session.
>> Why would the first bash call to "guile s.scm" work, but not the 
>> second one?
>> guile-3.0.7 on ubuntu.
>>
>
>
> This is a duplicate of
> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=50059
>


Uh, at the end of module/ice-9/format.scm, there is

;; Thanks to Shuji Narazaki
(module-set! the-root-module 'format format)

which dates back to

commit 14469b7c69feb0f2c5b8a093f19fe2a548b31c5b
Author: Greg J. Badros <gjb <at> cs.washington.edu>
Date:   Thu Jan 20 20:58:30 2000 +0000

    * format.scm: Use (variable-set! (builtin-variable 'format)) to
    re-define format to be format:format (instead of just define,
    which interacts poorly with the module system).  Thanks to Shuji
    Narazaki for this change.

diff --git a/ice-9/format.scm b/ice-9/format.scm
index fce2737ce..40f20b3da 100644
--- a/ice-9/format.scm
+++ b/ice-9/format.scm
@@ -1670,7 +1670,9 @@

 (define format:abort (lambda () (error "error in format")))

-(define format format:format)
+;;(define format format:format)
+;; Thanks to Shuji Narazaki
+(variable-set! (builtin-variable 'format) format:format)

 ;; If this is not possible then a continuation is used to recover
 ;; properly from a format error. In this case format returns #f.



This probably predates #:replace and could be removed now, right?

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