bug#39865: 28.0.50; Emacs crash

["Vinicius José Latorre" <viniciusjl@gmail.com>]

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> AFAIU, the problem in this case wasn't that the backend wasn't
> supported, it was that it was changed in the middle of a session.

Yes, but only at emacs starting (~/.emacs evaluation), after starting there
is no problem to set a font-backend.




On Tue, Mar 10, 2020 at 11:52 AM Eli Zaretskii <eliz@gnu.org> wrote:

> > From: Robert Pluim <rpluim@gmail.com>
> > Cc: Vinicius José Latorre <viniciusjl@gmail.com>,
> >   39865@debbugs.gnu.org
> > Date: Tue, 10 Mar 2020 15:29:44 +0100
> >
> >     >> I think that emacs should be more robust about this and do not
> crash for any bad value.
> >
> >     Eli> I agree.  It is not a bad value, we just couldn't yet find a
> way of
> >     Eli> switching the font-backend.
> >
> > Eli, would you accept a patch for emacs-27 that signals a user-error
> > if trying to set a font-backend thatʼs not supported by the running
> > emacs? Or that ignores it (with a message)?
>
> In general, yes; but I'd need to see the patch.
>
> AFAIU, the problem in this case wasn't that the backend wasn't
> supported, it was that it was changed in the middle of a session.
>

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