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

[Po Lu]

Eli Zaretskii <eliz@gnu.org> writes:

> I thought we wanted a capability indication, not something that
> actually looks for installed fonts.  AFAIU, if there are no color
> fonts on the user's system, the above will tell Emacs color fonts
> aren't supported.  That's not what we wanted, based on earlier
> discussions.

Then this could be implemented very simply:

  (or (featurep 'haiku)
      (featurep 'cocoa)
      (featurep 'cairo))