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- From: <Marc.McDonald@Design-Intelligence.com>
- To: <xml-dev@ic.ac.uk>, <James.Anderson@mecomnet.de>
- Date: Wed, 10 Mar 1999 14:32:02 -0800
For a more complete solution than the option (emphasize option) of a
DTD associated with a namespace prefix and URI, I would add the means
to declare a namespace, prefix and DTD in a DTD.
Marc B McDonald
Principal Software Scientist
Design Intelligence, Inc
www.design-intelligence.com
----------
From: james anderson [SMTP:James.Anderson@mecomnet.de]
Sent: Wednesday, March 10, 1999 8:42 AM
To: xml-dev@ic.ac.uk
Subject: Re: Namespaces and DTDs
all of which presumes that you've elevated prefixes to the status of
uri's -
attribute defaults or not.
Richard Goerwitz wrote:
>
> Ronald Bourret wrote:
>
> > The only inobvious bit is that, because there is no way to
declare
> > namespaces in the DTD, you can't declare different default
namespaces
> > for different parts of the DTD
>
> Because the DTD is not namespace aware, all it can deal with are the
pre-
> fixes you declare (not the URLs associated with them). Since these
pre-
> fixes are declared in the document content, you end up with a
peculiar
> situation in which the DTD has to be written according to
declarations
> in a given document instance, rather than the reverse. Worse yet,
there
> is no way to be sure that the various documents being validated
against
> a particular DTD use the prefixes correctly, with the correct URLs,
un-
> less you make extensive use of attribute defaults - which,
ironically,
> means we now need the DTD (probably an external one, typically with
a
> bunch of parameter entities; so get your validating parser ready).
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