> Cc: 77328@debbugs.gnu.org,
>  João Távora <joaotavora@gmail.com>
> From: Robert Pluim <rpluim@gmail.com>
> Date: Fri, 28 Mar 2025 11:01:05 +0100
>
> >>>>> On Fri, 28 Mar 2025 07:07:08 +0100, Gerd Möllmann <gerd.moellmann@gmail.com> said:
>
>     Gerd> which is a character in a "private use area". I guess that could
>     Gerd> indicate that the use of this character is maybe not intentional.
>
>     Gerd> (In my setting, macOS/iTerm2 terminal, JetBrains MONO font, running
>     Gerd> emacs -nw, char-displayable-p returns t for #xf400, and it is displayed
>     Gerd> as a question mark in a box, which is otherwise used for characters with
>     Gerd> no defined meaning.)
>
> I have a similar setup, but use "CaskaydiaMono Nerd Font Mono" for
> non-ASCII, and it displays as what looks like a lightbulb. Perhaps we
> should use U+1F4A1 ELECTRIC LIGHT BULB instead.

João, what is the reason for using a PUA character there?  This was
added recently, so I guess the motivation is still available
somewhere?