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Subject: Re: Any new method to deal with Emacs Fonts settings puzzles nearly
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Eli Zaretskii <eliz@gnu.org> writes:

>> From: "Feng Shu" <tumashu@163.com>
>> Date: Sun, 14 Nov 2021 00:19:48 +0800
>> Cc: emacs-devel@gnu.org
>> 
>> Maybe we can provide a custom to control this padding's width?
>> I do not know this is a good idea or not.
>
> How would we compute that padding width?  Emacs could use several
> different fonts for both ASCII and Chinese.  For example, the bold and
> italic styles could use different font metrics, and sometimes we use
> special fonts for specialized faces, like the variable-pitch face etc.
> A single value of padding can never DTRT in all of those cases.
>
> I'm actually surprised that there are no font pairs that already solve

font parirs?  do you mean Chinese fonts and Ascii fonts use different
size? 

> this problem.  Did no one find a solution for this problem, so that
> Emacs needs to invent a wheel that no one thought about?

--