splitting: string-lines is optimized for strings. revert my previous slowdown of 50% or so. add a note so this won't happen again. oops.
splitting: string-lines is optimized for strings. revert my previous slowdown of 50% or so. add a note so this won't happen again. oops.

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