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

[Stefan Kangas]

Gregory Heytings <gregory@heytings.org> writes:

> Thanks.  This bug is fixed in the attached patch.

I can verify that the bug is fixed in that patch.  Thanks.

> It should of course be possible to make text-scale-adjust scale
> smoothly too.

I think that would be good, to make things more consistent.  Even better
if we could customize the step size, and/or the method of scaling for
both commands.  One defcustom could be shared by both.