wow, these limitations sound so random!

@mflatt I’m happy at least you didn’t need to touch io/path/windows.rkt. A few days ago I noticed your commit message for https://github.com/racket/racket/commit/0ebcb232448003562a87c6fe2c73578dca9fef51

> If, in some terrible universe, I’m forced to do this again, :smile:

Or should that be :sob: