Re: [docbook-tc] Are the Schematron assertions normative in 5.0?

[Jirka Kosek <jirka@kosek.cz>]

Norman Walsh wrote:

> With DTDs, it was always understood that the DTD couldn't capture all
> the semantics of a language, that's why the documentation is normative.
> In RELAX NG, we can get a lot closer. The Schematron assertions
> actually test for things that we say are language constraints (a glossterm
> linkend must point to a glossentry; the top-level element must have 
> a version attribute, etc.).

Then it makes sense to make Schematron normative, because these 
constraints are not expressed in a prose.

> The only downside I see to making the assertions normative is that there
> aren't very many validators that actually perform those checks. So you validate
> with jing using the schema that has the annotations, but jing doesn't test
> the annotations, so do you get the illusion that your document is more valid
> than it really is? And is that a problem?

I think that this is not a problem, but another thing that should be 
explained in how-to.

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