bug#59122: 29.0.50; global-text-scale-adjust not working

[Eli Zaretskii]

> Cc: 59122@debbugs.gnu.org, salutis@me.com, stefankangas@gmail.com
> Date: Wed, 09 Nov 2022 16:51:26 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> 
> > Thanks.  The safe fix should be to change 5 to 6 here.  Eli, do you agree, 
> > or is there something else to investigate?
> 
> Can you tell more?  I don't think I understand why decreasing the face
> height by 5 doesn't work, but decreasing it by 6 does.  If you do
> understand, please tell.

Also, how come text-scale-adjust does work on the same platform?