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   Re: RE: RE: [xml-dev] XML=WAP? And DOA?

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1/14/2002 3:28:56 PM, Nicolas LEHUEN 
<nicolas.lehuen@ubicco.com> wrote:

> By restricting this range, you'll define an operational 
> schema, and implicit or explicit schema that is used to 
> process incoming data. This schema will certainly
> contain "holes", <xsd:all> patterns, or even some more 
>"fuzzy" patterns (such as 'foo//bar' in XPath, for which I 
> don't know if there is an equivalent in XML Schema or RELAX 
> NG), but it will be a schema nonetheless.

That's an awfully good point!  A "pattern" is indeed a 
"schema," albeit one at a more abstract level than XML schema 
languages can probably handle. 

Likewise your points about "self-documenting" tags; there is 
some implicit reference to a schema or other shared 
understanding, and whenever this can be made explicit  -- 
with namespaces, schema, schema adjuncts, etc. --  it is 
probably best to do so. 


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