alien.syntax: Fix docs for CALLBACK: (no semi)
alien.syntax: Fix docs for CALLBACK: (no semi)

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