bug#35285: 27.0.50; Bug in image--set-property; setf

[Basil L. Contovounesios]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: "Basil L. Contovounesios" <contovob@tcd.ie>
>> Date: Wed, 17 Apr 2019 14:36:20 +0100
>> Cc: 35285@debbugs.gnu.org
>> 
>> I agree that this is the problem, and the attached patch should fix
>> that.  Eli, should this go to emacs-26 or master?
>
> It's okay for emacs-26, but will :scale work there without
> Imagemagick?  Why did you need to use :scale in the tests?

Any property will do, since the test is using a mocked image spec,
and image--set-property is not sensitive to particular properties.

In other words, I did not need to use :scale, but it will work
regardless of Imagemagick.  Is that okay?

Thanks,

-- 
Basil