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>
> > a.) As Uche pointed out, the question also involves whether node
> > identity or the text values of nodes are used. Your technique works
> > for identity based equivalence tests but not value based tests
> >
>
> Yes of course. If you want value based set equality that's
> not($b[. != $a]) and not($a[. != $b])
Lovely. And here I am thinking I was a jaded XSLT expert who knew how to pull every trick in the book from its reduced instruction set (thanks, Mike for the trope).
I should know better than to say there isn't a built-in solution to something in XSLT until David, Jeni and Mike have spoken :-)
That geek praise having been dished out, I still think this is an area best covered by a cleanly-specified EXSLT function.
--
Uche Ogbuji Fourthought, Inc.
http://uche.ogbuji.net http://4Suite.org http://fourthought.com
Track chair, XML/Web Services One Boston: http://www.xmlconference.com/
The many heads of XML modeling - http://adtmag.com/article.asp?id=6393
Will XML live up to its promise? - http://www-106.ibm.com/developerworks/xml/library/x-think11.html
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