> In "emacs -Q"?

Yes

> That blog describes how to set up a font for your private use, and I'm
> not sure Emacs looks there.

> Or maybe you need to re-run some Fontconfig utility after installing.

I did and the fonts seems to installed since I see the emojis say in chrome, but no in emacs.


-- 
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I strongly condemn Putin's war of aggression against the Ukraine.
I support to deliver weapons to Ukraine's military. 
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I support the EU membership of the Ukraine. 
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