bug#58269: 29.0.50; emacsclient: does not understand that default face was changed

[Eli Zaretskii]

> Date: Thu, 6 Oct 2022 15:58:00 +0300
> From: Jean Louis <bugs@gnu.support>
> Cc: 58269@debbugs.gnu.org
> 
> * Eli Zaretskii <eliz@gnu.org> [2022-10-06 08:23]:
> > > Date: Wed, 5 Oct 2022 22:45:24 +0300
> > > From: Jean Louis <bugs@gnu.support>
> > > Cc: 58269@debbugs.gnu.org
> > > 
> > > > > >   . how did you invoke emacsclient
> > > > > 
> > > > > >From mutt in Xterm
> > > > 
> > > > That doesn't tell me enough.  Does mutt use any command-line switches
> > > > when it invokes emacsclient, and if so, which ones.
> > > 
> > > set editor="emacsclient -c"
> > 
> > So Emacs creates a new frame for the request.  Perhaps something
> > resets the default face for future frames?
> 
> I have now observed it, I finished with the frame on screen and then
> got new emacsclient and font changed to Terminus.
> 
> I have not set it to Terminus. I have no idea why.

If you don't know, how can we know?