Terry Davis

This may happen in 3.10! Per Guido: > If we introduce a PEG-based parser, we can do this without hacking the tokenizer. See https://github.com/gvanrossum/pegen/issues/229 > > I'd propose to aim...

As of 3.9, it's unofficially supported, but if you enable the [`-X oldparser`](https://bugs.python.org/issue12782#msg372388) option, it will not work. Once they drop the old parser entirely in 3.10 it will be...