Re: Singletons in a DTD
At 11:37 AM 5/13/99 -0700, David LeBlanc wrote: >Would (S1? | S2? | S3? | (C1 | C2 | C3)*) work? Nope. That would allow only one of S1, S2, or S3. I need to allow up to one of each, in any order. As was pointed out in a separate, but coincidentally related, thread, you'd have to put a * at the end of that, which suddenly loses singletonness. Alas. But I guess the & syntax from SGML is deceptively simple. I don't completely follow that other thread, but I gather it's hard to implement which is probably why they left it out of XML. -Joshua Smith 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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