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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: evaluating numbers
Date: Fri, 15 Nov 2019 18:13:09 +0200
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> From: Robert Pluim <rpluim@gmail.com>
> Cc: eggert@cs.ucla.edu,  jean.christophe.helary@traduction-libre.org,
>   emacs-devel@gnu.org,  yuri.v.khan@gmail.com
> Date: Fri, 15 Nov 2019 16:53:11 +0100
> 
>     Eli> What does this yield for codepoints below 32 decimal?
> 
> Hmm, they donʼt have a 'name property?

Nope.  Control characters don't.

> I guess we could do
> 
> (or (get-char-code-property char 'name) (get-char-code-property char 'old-name))

Yes.