RE: [xml] validateing errors with libxml2

[Morus Walter <morus walter tanto-xipolis de>]

Hi Micheal,
> thanks for that quick answer.
>
> I'am useing: libxml2-2.4.6
>
> As an attachment I send you the DTD and the index.xml, 
> which I could not parse. Hopefully this is readable now.

> <!DOCTYPE NewsML PUBLIC "urn:newsml:iptc.org:20001006:NewsMLv1.0:1" "http://www.afp.com/dtd/NewsMLv1.0.dtd"; 
> [
>   <!ENTITY % nitf SYSTEM "http://www.afp.com/dtd/nitf-2-5.dtd";>
>   %nitf;
> ]>
> <NewsML>

I always thought it would be forbidden to include external parameter
entities in the internal subset. 
Seems I'm wrong. I can't find that in the spec.

The problem here seems to come from the rule, that parameter entities
in the internal subset may not apear within markup declarations.