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

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: stefan@marxist.se,  46853@debbugs.gnu.org
> Date: Mon, 01 Mar 2021 20:45:28 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > No, it's because enlarging _all_ faces makes no sense.
> 
> I really thought that's how this command worked, but
> 
> emacs -Q -f list-faces-display
> 
> and then `C-x C-+' in the buffer enlarges all the faces, even
> variable-pitch...

It only enlarges those faces which inherit their size from 'default'.