bug#39892: 28.0.50; Crash when running async command

[Eli Zaretskii]

> From: Ravine Var <ravine.var@gmail.com>
> Cc: rpluim@gmail.com, 39892@debbugs.gnu.org, Kenichi Handa <handa@gnu.org>
> Date: Thu, 05 Mar 2020 20:54:50 +0530
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> > Btw, in general using such fontset customizations make little sense,
> > since you are in effect telling Emacs this font covers all of the
> > Unicode, which cannot be true.  Not specifying the registry is also
> > not recommended, definitely not for such large ranges of codepoints.
> 
> I was searching for some fancy characters for emms, like this:
> 
> (setq emms-browser-info-title-format "%i𝅘𝅥𝅯 %t")
> (setq emms-browser-info-artist-format    "%i🞶 %n")
> (setq emms-browser-info-album-format     "%i🟅 %n")

I think the Emacs defaults will allow you to see them, and if they
don't (try "emacs -Q" to see) then just install the Symbola font.