>I would like to have examples on the following > >1. nested DTDs >2. two DTDs used within a document >3. nested DTDs used within a document > >Are the above scenarios possible? Thanks in advance. A document has only one DTD. However, a DTD is principally just a set of markup declarations. It is possible to take the markup declarations of two DTDs and have a document use the union as a DTD. Note that you would have to modify the content models in at least one of the original DTDs in order to allow for elements from one DTD to include elements from the other. This is made easy where content models are made extensible in the first place via a parameter entity. You just override the parameter entity to include the extra elements. James 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/ and on CD-ROM/ISBN 981-02-3594-1 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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