bug#51821: 29.0.50; Suggest add variable or frame parameter: line-height

[Eli Zaretskii]

> Date: Fri, 19 Nov 2021 17:09:31 +0800 (CST)
> From: tumashu  <tumashu@163.com>
> Cc: "Po Lu" <luangruo@yahoo.com>, "Lars Ingebrigtsen" <larsi@gnus.org>, 
>       "51821@debbugs.gnu.org" <51821@debbugs.gnu.org>
> 
> >Why do you want to change the descent?
> >
> 
> when we set fonts and let  1 Chinese char width = 2 * ASCII char width,
> ASCII font size may different from Chinese font size, so maybe they are have 
> different baseline.
> 
> so how to align to baseline, I do not know.

The only way I know of to have the baseline aligned is not to change
the descent.