bug#39248: format-time-string ignores user's preferred locale

[Eli Zaretskii]

> From: Paul W. Rankin <hello@paulwrankin.com>
> Date: Thu, 23 Jan 2020 23:12:39 +1000
> Cc: 39248@debbugs.gnu.org
> 
> Or, given that the issue is isolated to Emacs.app when launched outside of 
> the shell environment, does that narrow it down at all?

I guess that's yet another manifestation of the macOS deviant behavior
of Emacs.app, whereby it doesn't inherit environment variables from
the shell.