Lars Ingebrigtsen <larsi@gnus.org> writes:

> Philip Kaludercic <philipk@posteo.net> writes:
>
>> Subject: [PATCH] Tag themes with properties
>
> Thanks; looks good to me.

One last additional, I've added a property to all the themes indicating
that they are colour schemes.  This would make it easier to toggle
between dark and light modes if multiple themes are enabled of which
only one is a colour theme: