bug#46853: Confusing terminology "face height" instead of "font size"

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Date: Mon, 01 Mar 2021 20:33:00 +0100
> Cc: 46853@debbugs.gnu.org
> 
> Playing with this a bit more, I'm getting a bit confused here...
> `C-x C-+' does indeed change the size of all the faces -- I had
> 
> (set-face-attribute 'variable-pitch nil :height 120)
> 
> in my .emacs.

Which exactly demonstrates that not all the faces will have their size
changed.  Right?