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Re: life support for DTDs? was RE: misprocessing nam

  • To: "Rick Jelliffe" <ricko@a...>, "The Deviants" <xml-dev@l...>
  • Subject: Re: life support for DTDs? was RE: misprocessing namespaces)
  • From: "Jonathan Borden" <jborden@m...>
  • Date: Fri, 1 Feb 2002 06:30:50 -0500
  • References: <6D54B6A5DCF9D311971600D0B74758C101441B66@a...> <098701c1aa69$4d4d3cc0$0a2e249b@n...> <010801c1aa7d$f828ec70$4bc8a8c0@A...>

Re:  life support for DTDs? was RE:  misprocessing nam
Rick,

Wow. it is that easy. So what is the excuse for not doing this?

Jonathan

From: "Jonathan Borden" <jborden@m...>

> This applies to both namespace and DTDs. Perhaps if anyone is really
> interested in keeping DTDs alive, they might publish such a proposal to
fix
> the problem, accompanied by some software that implements the proposal.
Then
> we would be able to see if it flies.

Actually, it does not even need any change in DTD syntax AFAIK.
It just needs a change in the way that validation is performed using DTDs.

The validator needs to understand that given
    <!ATTLIST x   xmlns CDATA "123">
or
    <!ATTLIST x   xmlns CDATA #FIXED "123">
etc. that an instance with
    <y:x   xmlns:y="123">
is correct.

You would also need the rule that an unprefixed element name
could only be declared once per DTD, which is not particularly
objectionable.

Cheers
Rick Jelliffe


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