GNU bug report logs - #71379
29.3; Elisp compiler: warnings for formats given insufficiently many arguments

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From: Stefan Kangas <stefankangas <at> gmail.com>
To: Mattias Engdegård <mattias.engdegard <at> gmail.com>,  Eli Zaretskii <eliz <at> gnu.org>
Cc: 71379 <at> debbugs.gnu.org, philippe schnoebelen <schnoebelen.ph <at> gmail.com>
Subject: bug#71379: 29.3; Elisp compiler: warnings for formats given insufficiently many arguments
Date: Fri, 7 Jun 2024 01:22:49 +0200

Mattias Engdegård <mattias.engdegard <at> gmail.com> writes:

> 6 juni 2024 kl. 06.38 skrev Eli Zaretskii <eliz <at> gnu.org>:
>
>> On second thought, this is still fine to go in now, but I wonder
>> whether we should move these to the places where the corresponding
>> functions are defined, and leave in bytecomp.c only those which are
>> primitives defined in C?  That would mean 'warn' and 'user-error'
>> should be moved to their respective Lisp files.
>
> Indeed it's a question I always ask myself every so often, and sometimes we distribute properties to definitions.
> However, in this case it seems better to keep them in one place: it's only a small handful of functions, and this way the properties are kept local to the byte-compiler.

No strong opinion, but I think this cuts both ways: keeping it local to
the definition of the functions themselves makes it clear to anyone
looking there for inspiration how to add such warnings to their own
`format` functions.

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