Re: How to enforce unicode font for all charsets?

[Eli Zaretskii]

> From: Sergey Organov <sorganov@gmail.com>
> Cc: help-gnu-emacs@gnu.org
> Date: Fri, 13 Mar 2020 09:48:11 +0300
> 
> (let ((buf (get-buffer-create "test encodings")))
>   (with-current-buffer buf
>     (erase-buffer)
>     (insert "Encoding windows-1251: "
>             (propertize "привет\n" 'charset 'windows-1251))
>     (insert "Encoding      unicode: "
>             (propertize "привет\n" 'charset 'unicode)))
>   (switch-to-buffer-other-window buf))
> 
> What I see in "emacs -Q" is attached as Emacs window snapshot. Please
> notice how two strings look very different where encodings differ. What
> I see in my "regular" Emacs is almost the same, just in larger font
> size.
> 
> The question is why Emacs doesn't use the default font for windows-1251
> encoding when the font definitely has all the needed glyphs?

Thanks for the recipe.  Please go to each "привет" in the test buffer
and type "C-u C-x =", then show what the *Help* buffer displays for
each of the two.

FWIW, I cannot reproduce this on my system: I see the same font being
used in both cases.  But maybe this is system-dependent in some ways,
or maybe the fonts you have installed affect this.  So I think you
should report all this (including the information I requested above)
as part of a bug report, using "M-x report-emacs-bug", and let's take
it from there.