Joseph, Thank you for submitting this! If I don't point this out then someone else will, so... Joseph Novakovich 写道: > +(define-public j > + (package > + (name "j") ...single-letter package names are frowned upon, with ‘r’ being a grandfathered exception. I suggest calling this ‘j-language’ (or ‘j-toolchain’, if that word makes sense in J's worldview) instead. Kind regards, T G-R