misc/vim/syntax/factor.vim: improve factorComment match
misc/vim/syntax/factor.vim: improve factorComment match

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