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

[Robert Pluim]

>>>>> On Sun, 31 Jul 2022 08:51:41 +0800, Po Lu via "Bug reports for GNU Emacs, 
>>>>> the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org> said:

    Po> Lars Ingebrigtsen <larsi@gnus.org> writes:
    >> FC_COLOR isn't defined on NS?

    Po> No, it's specific to Fontconfig, which is not used on NS.

On NS you have

          if ((sym_traits & kCTFontTraitColorGlyphs)

(macfont.m:2437)

Robert
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