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Subject: Re: [SPAM UNSURE] Re: Reliable after-change-functions (via: Using
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> From: Robert Pluim <rpluim@gmail.com>
> Date: Fri, 03 Apr 2020 10:11:07 +0200
> Cc: emacs-devel <emacs-devel@gnu.org>
> 
>     Stephen> I don't understand what the alternative is. The parser imposes the
>     Stephen> reasonable requirement that the input text be utf-8 (or possibly some
>     Stephen> other standard format). Emacs raw buffer text is not utf-8, so we must
>     Stephen> do some encoding.
> 
> Itʼs pretty close, apart from raw bytes.

Not only raw bytes: also some characters that cannot be unified with
Unicode.