bug#49797: 28.0.50; Setting face to custom fontset doesn't work

[Yuan Fu]

> On Aug 1, 2021, at 12:01 PM, Eli Zaretskii <eliz@gnu.org> wrote:
> 
>> From: Yuan Fu <casouri@gmail.com>
>> Date: Sun, 1 Aug 2021 11:18:50 -0400
>> Cc: Kenichi Handa <handa@gnu.org>,
>> 49797@debbugs.gnu.org
>> 
>>> 
>>> Personally, I lack a clear understanding of how user-defined fontsets
>>> are supposed to be used instead of the standard fontsets.  Is that
>>> only by using the :font attribute of a face?
>> 
>> The documentation of face attributes doesn't mention it for some reason
> 
> Yes, it does: see the doc string of set-face-font.

I mean the :fontset attribute. Maybe it is supposed to be merged into the :font 
attribute so documentations don’t mention :fontset? But the code still refers 
to it (Finternal_set_lisp_face_attribute).

Yuan