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- From: Peter Finch <firstname.lastname@example.org>
- To: "XML Developers' List" <email@example.com>
- Date: Wed, 03 Feb 1999 22:15:09 +1100
> I have been disturbed by the amount of confusion surrounding the XML
> Namespaces Recommendation. So I have written a document
This was really good but I have some questions that have been nagging me for
ages (sorry if they are dumb questions).
Imagine A, B, C, D and E and all users of some XML data. A and B exchange
data and agree to use A's namespace and that "<an:t>title</an:t>" is a
book title (among other things).
Elsewhere, C and D also exchange data and agree to use D's namespace and
that "<dn:t>title</dn:t>" is a book title.
1. E comes along and wants to create data and exchange data with A, B, C
and D. What does E use? If E creates a new NS "<en:t>title</en:t>" then
A, B, C and D have to update there procedures to cater for this?
2. Is there going to be (or is there) a registry for URI and tags so that
this can be avoided?
3. Is there some way to "alias" names so that you can say that "an:t",
"dn:t" and "en:t" are all the same (or is this up to the application)?
4. How do you validate a document that may contain tag's and attributes that
are a mixture of different DTD's? It's easy when they have the same content
model but what if "an:t" and "dn:t" are containers and have completely
different content models?
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