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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: XPath 1.5? (was RE: typing and markup)
 I wrote: >> There is one example in XSLTMark where schema knowledge could make a >> dramatic difference. It effectively does >> >> <xsl:template match="row[id='0432']"> >> <html> >> .. stuff .. >> </html> >> </xsl:template> >> >> <xsl:template match="text()"/> >> >> If you know that a row cannot contain another row then you can skip >> processing 99.99% of the data. > > Do you mean if you know that the document cannot contain another row > with the same id, or did you mean if you know that a row cannot > contain another row? I'm missing something about what optimisations > it's useful to make in XSLT, if you meant the latter? I get it now -- the gain is that you don't have to check the content of a row to see if it contains a row element that could match this one. The change would have the equivalent effect as adding an empty template matching row elements without the particular id. Cheers, Jeni --- Jeni Tennison http://www.jenitennison.com/ 
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