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Henri Sivonen wrote:
>>> I think not having a normative schema for HTML5 is a very good idea.
>>
>> I don't think so.
>
> Why not? Isn't it good that a schema can freely be improved to more
> closely meet the normative prose?
I don't think that this (ability to extend schema for your own purposes)
contradicts with existence of a normative schema.
You need schema for dozen of other things than validation. For example,
XML editors can be driven by schema to provide more comfortable data
entry to users.
> Suppose the schemas James Clark wrote for XHTML 1.0 had been normative.
> Would it have been good it Petr Nálevka had been accused of breaking a
> normative schema when he made bug fixes and tightened the schemas with
> Schematron? Would it be a good idea if I'd be accused of breaking a
> normative schema if I tightened the schemas further by e.g. using the
> datatype library that I've been developing for HTML5? (
> http://hsivonen.iki.fi/html5-datatypes/ )
Well, according to this logic, shouldn't be then proponents of HTML5
accused? ;-D
>> I think that problem is in education here -- it is not a big deal to
>> show and explain difference between valid and conformant document.
>
> To me, it seems that the WHATWG is interested in people producing
> conforming documents but not interested in a lesser notion of validity
> that is based on the arbitrary limitations of a particular schema language.
But it would be easier if they will define additional constraints on top
of schema validity then to duplicate work which can be easily expressed
using schemas.
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