Digits.input, Digital.output, etc.

[rwaldron]

With regard to the static properties of Digital: could these be made all caps like static "const" properties are made in eg. https://github.com/Moddable-OpenSource/moddable/blob/public/documentation/commodetto/commodetto.md#static-properties ?

[phoddie]

Good point. I'll take care of that.

[rwaldron]

Fixed in f239d47