collaborative editing

[MMM]

Michele Simionato wrote:
> Suppose I want to write a book with many authors via the Web. The
book has
> a hierarchical structure with chapter, sections, subsections,
subsubsections,
> etc. At each moment it must be possible to print the current version
of the
> book in PDF format. There must be automatic generation of the table
of contents,
> indices, etc. Conversions to many formats (Latex, DocBook, etc.)
would be
> welcome. Does something like that already exists? Alternatively, I
would need
> some hierarchical Wiki with the ability of printing its contents in
an
> structured way.
>
>
>             Michele Simionato
Tkae a look at 
http://www.infrae.org/products/silva/

Regards,
Mikhail