Fix <slides> for new-book effect change
Fix <slides> for new-book effect change

mrjbq7/factor,slavapestov/factor,factor/factor,mrjbq7/factor,sarvex/factor-lang,erg/factor,Keyholder/factor,slavapestov/factor,sarvex/factor-lang,tgunr/factor,nicolas-p/factor,tgunr/factor,dch/factor,slavapestov/factor,tgunr/factor,AlexIljin/factor,erg/factor,nicolas-p/factor,bpollack/factor,mcandre/factor,seckar/factor,factor/factor,dch/factor,Keyholder/factor,ceninan/factor,bpollack/factor,seckar/factor,mcandre/factor,mcandre/factor,bpollack/factor,erg/factor,erg/factor,cataska/factor,mrjbq7/factor,mcandre/factor,factor/factor,AlexIljin/factor,AlexIljin/factor,bjourne/factor,littledan/Factor,cataska/factor,erg/factor,erg/factor,slavapestov/factor,sarvex/factor-lang,sarvex/factor-lang,bjourne/factor,ceninan/factor,erg/factor,littledan/Factor,kingcons/factor,sarvex/factor-lang,AlexIljin/factor,littledan/Factor,kingcons/factor,factor/factor,bpollack/factor,mrjbq7/factor,AlexIljin/factor,dch/factor,tgunr/factor,littledan/Factor,kingcons/factor,sarvex/factor-lang,ehird/factor,tgunr/factor,ceninan/factor,bpollack/factor,tgunr/factor,bjourne/factor,bjourne/factor,dch/factor,factor/factor,mrjbq7/factor,dch/factor,nicolas-p/factor,bjourne/factor,mcandre/factor,bpollack/factor,nicolas-p/factor,nicolas-p/factor,factor/factor,slavapestov/factor,AlexIljin/factor,slavapestov/factor,ceninan/factor,kingcons/factor,bpollack/factor,cataska/factor,mcandre/factor,Keyholder/factor,ehird/factor,nicolas-p/factor,seckar/factor,nicolas-p/factor,mcandre/factor,bjourne/factor,cataska/factor,ehird/factor,dch/factor,sarvex/factor-lang,slavapestov/factor,AlexIljin/factor,bjourne/factor,mrjbq7/factor