bug#56691: outline-minor-mode displays navigation arrow buttons as emojis

[Lars Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

> Why should it care about a specific font?  And how will you obtain a
> font in these cases to begin with?  Fonts are extremely platform- and
> user-configuration-dependent, so I see no reason to try to deal with
> them.

I don't follow you at all here.

We've got an emoji to display, so we look up what font Emacs wants to
display it with, and then we check whether that font is an emoji font or
not (by checking that it's a colour font).

(Let's ignore the fact that black-and-white emoji fonts exists, too. 🫠)