calendar.format: use math.parser format directive.
calendar.format: use math.parser format directive.

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