Re: Encoding of etc/HELLO

[Eli Zaretskii]

> From: Michael Albinus <address@hidden>
> Cc: address@hidden
> Date: Fri, 20 Apr 2018 17:34:45 +0200
> 
> --8<---------------cut here---------------start------------->8---
> When a file is in some legacy encoding such as iso-2022-7bit, Emacs
> attached charset properties to proper ranges of text, which works as a
> hint for selecting a proper font especially for CJK characters.
> --8<---------------cut here---------------end--------------->8---
> 
> I'm wondering why it is possible to attach charset properties for
> iso-2022-7bit, but not for utf-8. Note, that I don't know too much about
> this topic.

Because we don't have infrastructure for tagging sub-ranges of Unicode
with character sets (and in some sense, that would make little sense,
because Unicode is a unifying encoding).

ISO-2022 has built-in features to tag portions of text as belonging to
some specific charset.