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

[Eli Zaretskii]

> Date: Wed, 09 Nov 2022 16:01:04 +0000
> From: Gregory Heytings <gregory@heytings.org>
> cc: 59122@debbugs.gnu.org, salutis@me.com, stefankangas@gmail.com
> 
> It's because of rounding.  Face heights on macOS are multiples of 10 (100 
> for 10.0 pt, 110 for 11.0 pt, ...).  Setting the face height to 105 
> actually sets it to 110.
> 
> So I think what we should do here is to check, after set-face-attribute, 
> whether the face height has actually changed, and if not try again with a 
> bigger increment.

Yes, SGTM.