html.parser.printer: fix tests, need to decrement before writing.
html.parser.printer: fix tests, need to decrement before writing.

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