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Re: What is a preferred charset?

From: Stefan Monnier
Subject: Re: What is a preferred charset?
Date: Wed, 21 Nov 2018 10:40:42 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

>> The discussion in bug#33445 made me realize that I don't know what
>> distinguishes a preferred charset from other charsets
> It's the first from (charset-priority-list) that can encode the
> character.  The priority is defined by the language environment.

And IIUC the only impact it has is on the choice of font to display it.
For latin chars, this tends to make no difference, but for some Asian
scripts it can make a much more significant difference because the same
Unicode chars are used for different languages even though they are
traditionally rendered differently in those different languages.

IOW, I think this `charset` property is used to solve the problems
descried at https://en.wikipedia.org/wiki/Han_unification

BTW, I see this page mentions the existence of "variation selectors"
in Unicode.  Is that considered a good solution?  Does Emacs support them?


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