Re: layout blocks for book and bookpart

[Kieren MacMillan]

Hi Valentin,

> Also this makes having different stylesheets for different bookparts quite 
> impossible.
> 
> So I want to ask if there is any reason against allowing layout blocks in 
> books and bookparts, having them override the default layout for that book or 
> bookpart.
> 
> If not, would you consider it reasonable to do it this way.

I agree we should have \layout options at all levels, cascading/overriding 
downwards

   top => book => bookpart => score

[Are there any other places/levels it could or should appear?]

Cheers,
Kieren.