[xsl] Top n values

Subject: [xsl] Top n values
From: Dan Diebolt <dandiebolt@xxxxxxxxx>
Date: Thu, 17 Oct 2002 12:30:04 -0700 (PDT)
I need to process the top n values in a list where n
is dynamic. So if n=3 and I had the following XML:


I need to process <item>'s with values 6,5,4. If I had
captured n in a variable/parameter, what is the most 
efficient way to do this? What I want to avoid is walking 
the <item> nodset multiple times as there are a lot of
<item>s (thousands). Thanks.

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