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Re: [xsl] key() now has 3 arguments ... right


Subject: Re: [xsl] key() now has 3 arguments ... right
From: David Carlisle <davidc@xxxxxxxxx>
Date: Tue, 24 Apr 2012 21:53:10 +0100

On 24/04/2012 20:41, ihe onwuka wrote:
key() in an XSLT 2.0 pattern must have exactly two arguments

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet
     xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
     version="2.0">

<xsl:key name="maindoc" match="person" use="@firstname"/>
<xsl:variable name="doc2" select="/"/>
<xsl:template match="key('maindoc','Sal',$doc2)">
     <xsl:value-of select="@firstname"/>
</xsl:template>

</xsl:stylesheet>

how come?


It's always possible they simply forgot to extend it when key was extended in xpath.


It's not a restriction on functionality just a restriction on syntax since if

<xsl:template match="key('maindoc','Sal',$doc2)">

were allowed it would presumably be the same as

<xsl:template match="key('maindoc','Sal')[ancestor-or-self::node()[. is $doc2]]">

David



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