Stefan Behnel wrote:
Tim Arnold wrote:
my libxml2 version is 5, which I think means that schematron isn't
supported. And the docbook.rng contains some embedded schematron. From
the DocBook 5 documentation:
---------------------
If you want to validate against the DocBook 5 RelaxNG schema, then you
have to find the right validation tool. The DocBook 5 RelaxNG schema
includes embedded Schematron rules to express certain constraints on
some content models. For example, a Schematron rule is added to prevent
a sidebar element from containing another sidebar. For complete
validation, a validator needs to check both the RelaxNG content models
and the Schematron rules.
---------------------
Yes, it looks like libxml2 can't handle Schematron annotations that are
embedded in RelaxNG schemas, even if both languages are supported separately.
Doesn't that just mean it skips over them? I don't see how the
error_log entries Tim was getting would implicate Schematron.
Anyway, the RelaxNG specification for Docbook, I believe, is still quite
experimental. Both jing and trang choke on it, so perhaps libxml2 may
be forgiven for choking also.
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