Re: [docbook] Amended DocBook Technical Committee Meeting Minutes:20 April 2005

[Jirka Kosek <jirka at kosek dot cz>]

Peter Ring wrote:

> So what would be the semantics of this DocBook namespace?
> Given that "it would apply to the family of DocBook schemas"
> (dare I read architectural form?), there's room for something 
> that asserts the applicability of a *specific* member of the 
> family to a document or parts of a document. Lots of application, 
> e.g. editors, are going to implement each their own mechanism 
> of asserting document types; some already do. 

Please note that document type and namespace are two different things. 
There will be several document types expressed as RELAX NG (and for 
compatibility with other tools also as DTD and W3C XML Schema) grammars. 
E.g. DocBook, Simplified DocBook, DocBook Slides, DocBook website. You 
will have four grammars, for schemas, but all elements will be in the 
same namespace.

> I know about ongoing work in ISO/IEC 19757 http://dsdl.org/, but I 
> seem to miss the magic that will connect the pieces.

Associating schema with document is thing which depends on tool used 
(for RELAX NG). So it depends on tool you will be using, but many tools 
allow you to place link to grammar inline as PI or global attribute. 
Some other tools use external configuration files to glue these two 
things together. But each DocBook derived document will be in DocBook 
namespace and will have version attribute. This should be enough to 
locate schema.

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