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Bob Foster scripsit:
> As was pointed out earlier, the "schema-centric" view is missing the
> ability to say, for elements, that no order is prescribed and order is
> not significant. Same semantics as attributes.
If order is not significant, why not prescribe an order? It simplifies
implementation to do so.
> Further, the schema-centric viewpoint you describe is definitely not the
> common usage for iterated choices, e.g., (a|b|...)*. In this case, no
> order (or cardinality) are prescribed and the semantics is usually that
> order is not significant.
XHTML is a massive counterexample: order is extremely significant, but
most content models are of exactly that form.
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