Re: [docbook-apps] Should xmllint successfully validate docbook 5 containing XIncludes?

["Bob Stayton" <bobs@sagehill.net>]

The short answer is no, xmllint does not successfully validate DocBook 5 
documents that are in fact valid.

I normally use Jing to validate DocBook 5.  I've not seen it hang like you 
have.

Bob Stayton
Sagehill Enterprises
bobs@sagehill.net

--------------------------------------------------
From: "Jon Leech" <jon@alumni.caltech.edu>
Sent: Monday, October 28, 2013 3:34 AM
To: <docbook-apps@lists.oasis-open.org>
Subject: [docbook-apps] Should xmllint successfully validate docbook 5 
containing XIncludes?

>     I'm trying to validate some documents generated by the db4-upgrade.xsl 
> from
> existing (validating) db4 documents. Validating the resulting db5 results 
> in
> mysterious errors that don't seem to correspond to actual problems. 
> Eventually I
> figured out that if I inlined content that had originally been XIncluded, 
> the
> errors went away. The especially mystifying part is that the reported 
> errors
> are in parts of the document having nothing to do with the apparently
> offending xi:include element.
>     Should I expect xmllint to operate properly with XIncludes? xmllint 
> doesn't
> have any problems validating the original db4 documents, which also 
> contain
> XIncludes, so it seems to be somehow related to db5, but I'm out of my 
> depth at
> this point.
>     I've attached a (relatively) minimal case below; valid.xml inlines
> the file, invalid.xml instead XIncludes it. Running
>
> xmllint --noout --xinclude --relaxng 
> http://docbook.org/xml/5.0/rng/docbook.rng valid.xml invalid.xml
>
> results in
>
> valid.xml validates
> invalid.xml:27: element variablelist: Relax-NG validity error : Expecting 
> element example, got variablelist
> invalid.xml:37: element variablelist: Relax-NG validity error : Element 
> refsection has extra content: variablelist
> invalid.xml:34: element refsection: Relax-NG validity error : Element 
> refentry has extra content: refsection
> invalid.xml fails to validate
>
> but the xi:include element in invalid.xml doesn't occur until line 48, 
> well
> after the reported errors.
>
>     I attempted using jing on these documents to try and see if this 
> behavior
> is an xmllint-specific problem, but it appears to just hang up forever 
> (not the
> case with other schema and documents I've used jing on). Are there any
> other validators I should be trying on Debian 7?
>
>     Thanks,
>     Jon Leech



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