alien.strings: simpler fast-string? check.
alien.strings: simpler fast-string? check.

factor/factor,bjourne/factor,bpollack/factor,bpollack/factor,tgunr/factor,bjourne/factor,mrjbq7/factor,dch/factor,slavapestov/factor,mrjbq7/factor,bjourne/factor,bjourne/factor,dch/factor,nicolas-p/factor,nicolas-p/factor,nicolas-p/factor,AlexIljin/factor,slavapestov/factor,factor/factor,mrjbq7/factor,nicolas-p/factor,bpollack/factor,mrjbq7/factor,AlexIljin/factor,tgunr/factor,dch/factor,tgunr/factor,AlexIljin/factor,bjourne/factor,dch/factor,slavapestov/factor,AlexIljin/factor,bpollack/factor,bjourne/factor,AlexIljin/factor,bpollack/factor,nicolas-p/factor,tgunr/factor,factor/factor,AlexIljin/factor,bpollack/factor,dch/factor,dch/factor,AlexIljin/factor,bjourne/factor,nicolas-p/factor,tgunr/factor,bpollack/factor,slavapestov/factor,factor/factor,slavapestov/factor,mrjbq7/factor,slavapestov/factor,nicolas-p/factor,factor/factor,tgunr/factor,slavapestov/factor,factor/factor,mrjbq7/factor