Yep! OpenType can do some very very complicated things; I would honestly be surprised if it's not Turing-complete. But it is also one of those languages where

Yep! OpenType can do some very very complicated things; I would honestly be surprised if it's not Turing-complete. But it is also one of those languages where a lot of things are possible but actually doing them is pretty tedious. Take a look at some of the links at the end of my notes on this font and you'll see what kind of repetitive horrors have to be generated to do Weird Stuff.