sub A A B B by B B A A; sub A B C D E F by F E D C B A;<br>I don't see how this could be achieved reading the spec, and FontTools errors out with an "Direct substitution of multiple glyphs by multiple glyphs is not supported" if I try the above, but I was wondering if there's a trick to still accomplish this.
Comments
@K Pease Thanks for the thorough answer. I was afraid this would result in an explosion of rules (and my brain). Appreciate the example code!
Thanks for posting the example!