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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: XLink transformations
 tpassin@h... wrote: > > This is a good example. I think the approach to take is to create a new XML > file, based on the xlink file and the source file(s), then to do any > transformations on it afterwards. But is this possible with XSLT? How can you write a template that wraps any element referenced as source of an XLink into an <A>-element, for example? > The harder part is when you use an XPointer expressions in an XLink, then > change the document that is pointed to. Chances are, the XPointer > expressions won't point to the right place any more. This problem is > similar to that of constructing a primary key for a relational database > table. If the key is compound (like (lastname,firstname,company)), and one > part changes (John Smith changes his employer), what happens everywhere > there is a pointer to this instsance of the key? > > For databases, the best solution is to give the instance its own identity, > i.e., the primary key should be a unique ID number. That could be made to > work for many XLink cases, too. But ranges could still be a problem. > > Tom Passin It might be a simple solution, but if you do so and provide every XML element with an ID and use this as anchor for XLinks, then XPointer will become completely useless. Michael Kraus 
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