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Hi, I would like to know whether it's possible to define an XML Schema for the following XML document instance: <root> <a/><b/><c/> <k/><k/><k/> </root> with the following constraints: 1) <a/>, <b/>, <c/> and <k/> can appear in any order 2) <a/>, <b/> and <c/> can appear at most once under <root> 3) <k/> must appear at least once. So the following, as well as the example above is also valid: <root> <a/><k/><b/><k/><k/><c/> </root> Many thanks for your help in advance Michael. ------------------------------------------------------------ This email was sent from Netspace Webmail: http://www.netspace.net.au
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