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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: What niche is XQuery targeting?
 Are you saying that XSLT stylesheets that revolve around <xsl:apply-templates/> are not common? If so, you must be writing/reading/using very different stylesheets from the ones I see. No he's saying that people do have problems grasping recursion when writing recursive functions (or templates) but very few people have problems understanding apply-templates as it isn't explicitly recursive and you no more need to think in terms of recursive function calls when using xslt as you do when reading a document with nested sections (ie most documents) It may be that when you see a subsection your brain recursively calls its section processor, but that's not the way you normally consciously think about it. Xquery on the other hand, as it doesn't have apply-templates, forces the user to explicitly write recursive function calls for even the most trivial of jobs. Personally I think writing recursive calls is fairly natural, but experience shows that many people do not. You could write the docbook stylesheets in Xquery but they would be a mass of deeply mutually recursive functions and I think a lot harder to maintain than the XSLT (which probably by now isn't so easy to maintain either:-) Not that that's a criticism of Xquery, I don't think any of you on the WG would claim that transforming Docbook to HTML was a major design aim of Xquery, would you? Also it's fairly clear that beuty is in the eye of the beholder. Earlier in this thread Mike Kay posted an XSLT and Xquery solutionm of the same problem, when I saw that I assumed most people would take that as a sign that XSLt is clearly better (or at least simpler) for that particular kind of problem, however one of the few people to comment directly on it commented how the XSLT was opaque but anyone could understand the Xquery version. David ________________________________________________________________________ This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________ 
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