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This is the *current* state of affairs. There are people who also believe that in the future the namespace concept is to be extended to incorporate Schema definition. That is, when a namespace URN points to a Schema definition, the Schema may, can or will be enforced in the same way that a DTD is enforced by a validating parser and a <!DOCTYPE definition. So to summarize, today a namespace is simply a naming scheme but in the future namespaces may become part of a typing scheme. Jonathan Borden http://jabr.ne.mediaone.net > > > Roger L. Costello writes: > > > I thought I knew what a namespace was ... but now I think perhaps I > > don't. > > It's simpler than you think. > ... > > > That is, is the file itself (BookCatalogue.dtd) a namespace? > > No -- it's irrelevant as far as the current namespaces REC is > concerned. > > > In all the examples that I see in the namespace spec they don't > > refer to a specific file. Instead, they refer to "some place", > > such as: > > > > http://www.w3.org/TR/HTML/ > > Not a place, just a unique URI. The URI doesn't actually have to work > (a URI that throws up a 404 is just fine). > > > So, perhaps the "directory" that BookCatalogue.dtd resides in is the > > namespace? i.e., > > > > file://localhost/xml-course/xml-part1/ > > No. > > > I thought I knew the way, now I don't. Help me find my way again. > > A namespace is very similar to a package name in Java -- it's just a > way of disambiguating names. Consider > > package com.megginson.xml; > xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ To (un)subscribe, mailto:majordomo@i... the following message; (un)subscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
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