Linking a XML document to its schema

Didier PH Martin martind at
Wed Nov 24 13:40:18 GMT 1999


It would make sense to link an XML document or XML fragment to its schema
with the name space reference. For instance, if I would have the following

<mycheck xmlns="">

.... My check content....
<theinvoice xmlns="">
...the invoice content....
... other content ....


Then the xmlns attribute URI value would be useful to something other than
feeding XML-dev discussions.

Each fragment can be validated with its schema.
Each fragment is part of a namespace and the name space vocabulary is
defined by a schema.
Contrary with what we got in the SGML world, a document can be freely
aggregated from fragments and still be validated by a validating parser. The
aggregate does not have to centralize the knowledge about the document
Major benefit: re-use and modularity.

But maybe this is already a work in progress within W3C? If this is the
case, little Rascals, why do you let us sing "if I where a rich man..." by
hiding this secret :-)) Otherwise, may I take the liberty to make this
suggestion (I am modest enough to be sure that you already got this
suggestion from other people too).

Didier PH Martin
mailto:martind at

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