Re: XRefs between instances using different content models
On 20/10/2010 15:39, Paul Eisenberg wrote: > Is it generally possible to set XREFs between instances that rely on > different > DTD/XSD content models? yes or no depending what you mean by "XREF". the two most common referencing mechinsms (probably) in xml would be using ID and IDREF attributes, but they are constrained to be in the same document, you can not refer to other documents using IDREF typed attributes even if they use the same document type. the other common referencing method is to use ID attributes for the anchor and then URI-valued attribute for the link. If you use URIs for referencing you can refer to the ID foo in document bar.xml as href="../../a/b/c/bar.xml#foo" and then it doesn't matter what the document type of the document is, it doesn't need to be xml at all, it may be html or pdf or whatever. David ________________________________________________________________________ The Numerical Algorithms Group Ltd is a company registered in England and Wales with company number 1249803. The registered office is: Wilkinson House, Jordan Hill Road, Oxford OX2 8DR, United Kingdom. This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. ________________________________________________________________________
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