More succinct source range parsing.
More succinct source range parsing.

belisarius222/arvo,ngzax/urbit,urbit/urbit,ngzax/urbit,jfranklin9000/urbit,ohAitch/arvo,urbit/urbit,ngzax/urbit,jfranklin9000/urbit,jfranklin9000/urbit,jfranklin9000/urbit,cgyarvin/arvo,cgyarvin/arvo,urbit/urbit,ngzax/urbit,jfranklin9000/urbit,ohAitch/arvo,ngzax/urbit,urbit/urbit,joemfb/arvo,urbit/urbit,jfranklin9000/urbit,joemfb/arvo,urbit/urbit,jfranklin9000/urbit,ngzax/urbit,ngzax/urbit,belisarius222/arvo,urbit/urbit