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[xsl] count problem


Subject: [xsl] count problem
From: David.Pawson@xxxxxxxxxxx
Date: Wed, 21 Jan 2004 09:31:21 -0000

Given an element

<feed>
 <link rel="alternate" 
	href="http://www.example.com" 
	type="text/xml"/>
...

The constraints are:

eed elements MUST contain at least one link element with a rel attribute
value of "alternate". 

***feed elements MUST NOT contain more than one link element with a rel
attribute value of "alternate" that has the same type attribute value. ***

feed elements MAY contain additional link elements beyond those described
above. 

I'm trying to generate a test statement that captures the second
requirement,
.

<template match="feed">
<xsl:if test="count(link[@rel='alternate']) &gt; 1 and ?????">

How to test if 
  >1 link element
  2 have rel='alternate'
  [1]@type = [2]@type

I'm doing this in Schematron,
so I'm restricted to not using variables, which would help.

Any suggestions please?


Regards DaveP.

**** snip here *****

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