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Re: using namespaces to version
- From: Uche Ogbuji <email@example.com>
- To: Warren Hedley <firstname.lastname@example.org>
- Date: Wed, 02 May 2001 17:38:00 -0600 (MDT)
> I'm wondering if anyone on the list has any strong opinions about
> the use of namespaces for versioning. In particular, am I likely
> to run into any problems if I base my namespaces on the Dublin Core
> format shown below?
> I quite like the Dublin Core namespaces proposed in the various
> Dublin Core in XML proposals at http://dublincore.org/. These have
> the form:
> MathML on the other hand defines one namespace and no facility for
> versioning (as far as I know). So a MathML 1.0 processor has no way
> of telling if a document with elements from the MathML namespace
> (which is http://www.w3.org/1998/Math/MathML ) is invalid or from a
> future version of MathML (though one could argue that these are the
> same thing as far as the processor is concerned).
> There is a thread on this topic in the archive, although no real
> conclusion or recommendation seems to have been reached. The link is
> http://lists.xml.org/archives/xml-dev/200008/msg00612.html . If
> anyone knows of other threads in the archive that might be relevant,
> could they bring them to my attention?
Yes. See the thread starting at
I quite like Eric's proposal, and have put it into practice.
Uche Ogbuji Principal Consultant
email@example.com +1 303 583 9900 x 101
Fourthought, Inc. http://Fourthought.com
4735 East Walnut St, Ste. C, Boulder, CO 80301-2537, USA
Software-engineering, knowledge-management, XML, CORBA, Linux, Python