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Hi folks, 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: http://purl.org/dc/elements/1.0/ http://purl.org/dc/elements/1.1/ http://purl.org/dc/qualifiers/1.1/ 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? Thanks, Warren Hedley -- Warren Hedley The Bioengineering Research Group The University of Auckland New Zealand
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