This is the setting causing the error to be precise. When I select Türkiye error re-appears.

When I select recommended both of the problems getting solved.

On Sun, Jul 16, 2023 at 10:28 AM Eli Zaretskii <eliz@gnu.org> wrote:

> From: Senki Jun <senkijun@gmail.com>
> Date: Sun, 16 Jul 2023 10:20:08 +0300
> Cc: Eli Zaretskii <eliz@gnu.org>, ruijie@netyu.xyz, 64652@debbugs.gnu.org
>
> Yes this might be happening because our country's name changed from Turkey to Türkiye
> internationally.

That's what I thought.

In Turkish locales, if search of pure ASCII text uses case-fold, it
should do that with ASCII case-table.