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Subject: Re: [dita] Catalogs: embedding version numbers
Chris Wong wrote: > We might want to embed the version number in the filename too, like > concept11.dtd. This should bring us in line with other models like > SVG. Note that there's no functional difference in XML between an public ID and a system ID (ignoring that there is a slight difference in how they are processed in the context of OASIS catalogs, but that doesn't really change the fact): they are both pointers to a physical resource, as opposed to a namespace URI, which is a pointer to an abstract thing (the application). Thus if people insist on using public IDs then I concur that they should contain version distinguishers, as should the filenames they map to (since one is just a synonym for the other, they should have parallel version distinguishing artifacts). What there should *NOT* be is version identifiers in DITA-defined namespaces. That is, there may be many versions or variants of a schema for a single namespace. The namespace reflects the *application*, as a thing with a lifecycle represented by many versions of many physical resources. Cheers, Eliot -- W. Eliot Kimber Professional Services Innodata Isogen 9390 Research Blvd, #410 Austin, TX 78759 (512) 372-8155 ekimber@innodata-isogen.com www.innodata-isogen.com
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