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Re: Namespace prefix declarations vs DTDs

  • From: ht@inf.ed.ac.uk (Henry S. Thompson)
  • To: Bjoern Hoehrmann <derhoermi@gmx.net>
  • Date: Mon, 18 May 2009 19:28:34 +0100

Re: Namespace prefix declarations vs DTDs
Hash: SHA1

Bjoern Hoehrmann writes:

>   I would like the XML Conformance Test Suite to cover test cases such
> as these two documents.
>   <!DOCTYPE x [ <!ELEMENT x EMPTY> ]>
>   <x xmlns:xml='http://www.w3.org/XML/1998/namespace'/>
>   <!DOCTYPE x [ <!ELEMENT x EMPTY> ]>
>   <x xmlns:foo='http://example.org'/>
> The reason for inclusion is that there is confusion as to whether the
> documents are valid. My own reading is that both documents are not
> valid. The libxml2 tool xmllint regards the first as valid but the
> second as invalid. The W3C Markup Validator accepts both as valid.

I agree with your judgement (as does rxp).  Getting them in the test
suite may take a while, see below.

> May I also enquire as to the status of previous submissions, e.g.
>   http://lists.w3.org/Archives/Public/public-xml-testsuite/2005Dec/thread.html#msg1

I believe the relevant spec. changes were made in subsequent
editions.  I haven't checked the status of the proposed tests.

>   http://lists.w3.org/Archives/Public/public-xml-testsuite/2006Sep/0000.html

Hmmm.  No discussion.  I'll see what I can do.

> Please let me know if there is anything I can do to ensure their
> timely inclusion.

The only member of the Core WG who regularly maintained the Test Suite
has taken a leave for personal reasons.  W3C staff time constraints
doesn't permit me to spend much time on the test suite, I'm sorry.

Net conclusion: what you can do to help, which would be _very_
welcome, is to join the XML Core WG and take over maintenance of the
Test Suite.

> As an aside, the errata of the first edition of Namespaces in XML
> got broken in September 2007 and has not been fixed since.

Hmm.  The reason for this is obscure == I can't immediately figure out
how to fix it.  I'll get back to you.

- -- 
       Henry S. Thompson, School of Informatics, University of Edinburgh
                         Half-time member of W3C Team
      10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131 650-4440
                Fax: (44) 131 651-1426, e-mail: ht@inf.ed.ac.uk
                       URL: http://www.ltg.ed.ac.uk/~ht/
[mail really from me _always_ has this .sig -- mail without it is forged spam]
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