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Re: Count preceding-sibling back to a specific node

From: "Oleg Tkachenko [MVP]" <oleg@--_!----!_------!---------.--->
To: NULL
Date: 3/5/2004 5:37:00 PM

mikeT wrote:

> Thanks! I got it to work. But I don't quite understand something about xslt.
> 
> If I write:
> 
> <xsl:param name="node-where-stop" select="an XPath expression that selects my node"/>
> 
> it works.
> 
> If instead I plug in the same XPath expression in place of $node-where-stop in the count() it doesn't work.

If your XPath expression depends on context, then obviously it won't 
work. Something like "id('bk101')" or "/A/B" doesn't depend on context, 
but A/B or id(@foo) does.
Anyway that's bad idea not to use variable here due to obvious perf 
reason - having expression instead of variable you may end up with 
evaluating the same expression over and over again.

-- 
Oleg Tkachenko [XML MVP, XmlInsider]
http://blog.tkachenko.com

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