fixes |mass, unifying the implementation with u3m_grab()
fixes |mass, unifying the implementation with u3m_grab()

ngzax/urbit,urbit/urbit,jfranklin9000/urbit,urbit/urbit,urbit/urbit,urbit/urbit,jfranklin9000/urbit,urbit/urbit,ngzax/urbit,jfranklin9000/urbit,ngzax/urbit,jfranklin9000/urbit,ngzax/urbit,ngzax/urbit,urbit/urbit,urbit/urbit,jfranklin9000/urbit,jfranklin9000/urbit,ngzax/urbit,jfranklin9000/urbit,ngzax/urbit