xml-dev - Re: XML Schemas: ref'ing versus in-lining

[ht@cogsci.ed.ac.uk (Henry S. Thompson)]

Rick JELLIFFE <ricko@geotempo.com> writes:

> Curt Arnold wrote:
>  
> > Having to detect when multiple declarations are exactly (or
> > sufficiently) identical seems to be unnecessary complexity.
> 
> I don't think this is really so complex. Forgetting any impact of
> abstract elements: 
>  * a complex type declaration has its own symbol space for elements
>  * an element declaration (in a complex type declaration) not only
> defines the existance 
>    of the element, it also binds the name to a type (directly or by
> reference) 
>  * an subsequent uses of the element must also bind the name to the same
> type (directly
>    or by reference) 
> 
> A good question is whether a subsequent element can have a derived type
> of the first
> element's type?  Henry?

Nope, see reply to Curt.

ht
-- 
  Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
          W3C Fellow 1999--2001, part-time member of W3C Team
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