bug#51321: 29.0.50; date in modelines

[Filipp Gunbin]

On 01/11/2021 16:34 +0200, Eli Zaretskii wrote:

>> From: Filipp Gunbin <fgunbin@fastmail.fm>
>> Cc: alan@idiocy.org,  larsi@gnus.org,  nisoni@algon.dk,  stefan@marxist.se,
>>   51321@debbugs.gnu.org,  mardani29@yahoo.es
>> Date: Mon, 01 Nov 2021 17:21:36 +0300
>>
>> >> So maybe we should check that the locale is valid before setting it...
>> >
>> > "Valid" in what sense?  Is that locale not installed on your system,
>> > or are you saying that it cannot exist?
>>
>> I think in the sense of 'locale -a | grep ru' in this case:
>>
>> ru_RU.ISO8859-5
>> ru_RU.CP866
>> ru_RU.CP1251
>> ru_RU.UTF-8
>> ru_RU.KOI8-R
>> ru_RU
>>
>> Maybe it could exist, but it doesn't on macOS.
>>
>> > (And why does the warning come from Bash when it was Emacs who sets
>> > the locale?)
>>
>> Forgot to tell - this output shows up when running shell command from
>> emacs (M-! or similar).
>
> Hmm... actually, why do we call setenv instead of calling setlocale
> directly?  Doesn't macOS support setlocale?  AFAIU, calling setlocale
> would then only affect Emacs itself, not its sub-processes.

Darwin seems to support setlocale..