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FW: Schema Namespace name, schemaLocation, and Schema V ersion

• To: 'Eric van der Vlist' <vdv@d...>
• Subject: FW: Schema Namespace name, schemaLocation, and Schema V ersioning
• From: Mark Feblowitz <mfeblowitz@f...>
• Date: Wed, 17 Jul 2002 15:04:37 -0400
• Cc: 'Jeni Tennison' <jeni@j...>, "'CHIUSANO, Joseph'" <JCHIUSANO@l...>, "'Xml-Dev (E-mail)'" <xml-dev@l...>, "Duane Krahn (E-mail)" <duane.krahn@i...>, "Satish \"Ramanathan (E-mail)" <Satish.Ramanathan@m...>, "Andrew Warren (E-mail)" <awarren@o...>, "Kurt \"A Kanaskie (Kurt) \" \"(E-mail)" <kkanaskie@l...>, "Michael Rowell (E-mail)" <mrowell@o...>

Eric - Very interesting. 

And the follow-ups are interesting, too...

David Carlisle points out what Jeni mentioned - that namespace changes can
be quite messy:

	http://lists.xml.org/archives/xml-dev/200103/msg00996.html 

In 
	http://lists.xml.org/archives/xml-dev/200103/msg01021.html and
	http://lists.xml.org/archives/xml-dev/200103/msg01035.html 

the COM solution mirror's Jeni's "proper version" suggestion. But that only
seems to apply to the schemaLocation (not namespace name), unless you keep
separate schema versions with different namespace names - yuck.


Thanks,

Mark
-----Original Message-----
From: 	Eric van der Vlist [mailto:vdv@d...] 
Sent:	Wednesday, July 17, 2002 2:51 PM
To:	Mark Feblowitz
Cc:	'Jeni Tennison'; 'CHIUSANO, Joseph'; 'Xml-Dev (E-mail)'; Duane
Krahn (E-mail); Satish "Ramanathan (E-mail); Andrew  Warren (E-mail); Kurt
"A Kanaskie (Kurt)  " "(E-mail); Michael Rowell (E-mail)
Subject:	RE:  Schema Namespace name, schemaLocation, and
Schema V ersioning

On Wed, 2002-07-17 at 20:36, Mark Feblowitz wrote:
> Yes, fixing a version attribute would be just as absolute (and
> validator-enforced) as versionizing the namespace. More appealing, when
you
> consider the other ramifications of namespace variation.

For what's worth, a link on the policy I am using for XSLTunit and
Examplotron (quite similar to what's been discussed here):
http://lists.xml.org/archives/xml-dev/200103/msg00995.html
Also, the main downside I have found for version attribute is for
vocabularies which are "embedded". Where would you locate a version
attribute for XLink or RSS in a document for instance? ...
Hope this helps.
Eric
-- 
See you in San Diego.
http://conferences.oreillynet.com/os2002/
------------------------------------------------------------------------
Eric van der Vlist       http://xmlfr.org            http://dyomedea.com
(W3C) XML Schema ISBN:0-596-00252-1 http://oreilly.com/catalog/xmlschema
------------------------------------------------------------------------


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