implement list-of, list-of* in terms of (list-of) add 2choice 3choice
implement list-of, list-of* in terms of (list-of)
add 2choice 3choice

sarvex/factor-lang,mcandre/factor,mcandre/factor,ceninan/factor,mrjbq7/factor,kingcons/factor,dch/factor,littledan/Factor,erg/factor,mecon/factor,dharmatech/factor,tgunr/factor,mrjbq7/factor,erg/factor,bpollack/factor,mecon/factor,factor/factor,mrjbq7/factor,tgunr/factor,mrjbq7/factor,jwmerrill/factor,factor/factor,mecon/factor,mrjbq7/factor,sarvex/factor-lang,slavapestov/factor,nicolas-p/factor,kingcons/factor,dch/factor,sarvex/factor-lang,erg/factor,mrjbq7/factor,littledan/Factor,seckar/factor,sarvex/factor-lang,bpollack/factor,erg/factor,ceninan/factor,bjourne/factor,dharmatech/factor,factor/factor,tgunr/factor,Keyholder/factor,bpollack/factor,dch/factor,kingcons/factor,cataska/factor,bjourne/factor,mecon/factor,mcandre/factor,factor/factor,erg/factor,bpollack/factor,dch/factor,littledan/Factor,littledan/Factor,erg/factor,mcandre/factor,ceninan/factor,mcandre/factor,seckar/factor,bjourne/factor,Keyholder/factor,nicolas-p/factor,slavapestov/factor,cataska/factor,tgunr/factor,nicolas-p/factor,jwmerrill/factor,AlexIljin/factor,AlexIljin/factor,kingcons/factor,ceninan/factor,ehird/factor,mcandre/factor,nicolas-p/factor,nicolas-p/factor,dharmatech/factor,slavapestov/factor,mecon/factor,AlexIljin/factor,mecon/factor,factor/factor,AlexIljin/factor,mecon/factor,AlexIljin/factor,AlexIljin/factor,bjourne/factor,seckar/factor,ehird/factor,cataska/factor,slavapestov/factor,bpollack/factor,sarvex/factor-lang,ehird/factor,cataska/factor,bjourne/factor,tgunr/factor,erg/factor,jwmerrill/factor,slavapestov/factor,dch/factor,nicolas-p/factor,bpollack/factor,mcandre/factor,slavapestov/factor,dch/factor,factor/factor,tgunr/factor,bjourne/factor,Keyholder/factor,slavapestov/factor,AlexIljin/factor,sarvex/factor-lang,sarvex/factor-lang,bpollack/factor,bjourne/factor,nicolas-p/factor