GNU bug report logs - #39248
format-time-string ignores user's preferred locale

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: "Paul W. Rankin" <hello <at> paulwrankin.com>, Glenn Morris <rgm <at> gnu.org>
Cc: 39248 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>, Alan Third <alan <at> idiocy.org>
Subject: bug#39248: format-time-string ignores user's preferred locale
Date: Thu, 23 Jan 2020 23:35:20 -0800

[Message part 1 (text/plain, inline)]

On 1/23/20 7:17 PM, Paul W. Rankin wrote:
> The relationship doesn't appear as the same as on GNU/Linux.

It's similar, in that one can launch apps in various ways (e.g., via Gnome) 
without involving shell environment variables.

Looking into this a bit more, I see that Alan Third wrote a fix for this problem 
(which is apparently quite a zoo in macOS, as Apple keeps changing how to set 
environment variables!) into Emacs in master commit 
2016-02-11T02:26:50Z!alan <at> idiocy.org. However, Emacs currently sets the LANG 
environment variable in ns_init_locale *after* Emacs uses LANG to set the 
LC_TIME locale, which is not what is wanted here. So, please try the attached 
patch to master. You'll need to grab the latest master as I recently installed a 
locale cleanup patch while looking into this mess.

If this patch doesn't work for you, perhaps you can write a small variant of it 
that does work.

[0001-Propagate-NSLocale-into-Emacs-better.patch (text/x-patch, attachment)]

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