Re: New schema spec
roddey@u... wrote: > > Well, its kind of a practical matter. From a support perspective (kind o' > important to a company our size) proving that the content model is ambiguous > means never have to say you're sorry, or at least have to say you're sorry less > often. My question is: under what circumstances does an ambiguous content model cause a problem? <!ELEMENT ABC (DEF?,DEF)> Okay, so this is ambiguous according to the XML/SGML definition of ambiguous. What's the problem? It matches the same thing as DEF, DEF? <!ELEMENT ABC (DEF|DEF)> This is ambiguous according to the more widely accepted definition. I still don't see a problem. It matches the same thing as DEF. I think that your concern about ambiguity comes from a background in context free grammars where it is a big problem. In XML, every element is explicitly separated from every other one with tags so ambiguity is not a problem. -- Paul Prescod - ISOGEN Consulting Engineer speaking for only himself http://itrc.uwaterloo.ca/~papresco Diplomatic term: "Emerging Markets" Translation: Poor countries. The great euphemism of the Asian financial meltdown. Investors got much more excited when they thought they could invest in up-and-comers than when they heard they could invest in the Third World.(Brills Content, Apr. 1999) 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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