Is it possible to automatically select a theme based on the results of the ANSI/ASCII detection?

For example, have one theme that's ANSI-only and another that's ASCII-only,
and have Mystic automatically select the correct theme based on the graphics capabilities detected?

Thanks,
Jeff.

--- Mystic BBS v1.12 A43 2019/03/03 (Raspberry Pi/32)
* Origin: Perceptronica (21:1/180)