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RE: making grandparents of grandchildren

Subject: RE: making grandparents of grandchildren
From: Jarno.Elovirta@xxxxxxxxx
Date: Thu, 10 Jan 2002 17:21:11 +0200
grandparents with grandchildren pictures
> What I tried for some time to achieve in vain, is group paintings
> belonging to same owners under their names sorted and add author names
> to each picture in the list. Would really appreciate your help (or our
> exhibition in Madrid will have to be postponed :).

How about

<?xml version="1.0" encoding="ISO-8859-1"?> 
<xsl:stylesheet version="1.0"

<xsl:output method="xml"
            encoding="ISO-8859-1" />

<xsl:key name="owner" match="owner" use="." />
<xsl:key name="picture" match="picture" use="owner" />

<!-- this should match the parent of authorgroup elements-->
<xsl:template match="foo">
  <!-- get unique owners -->
  <xsl:apply-templates select="authorgroup/picture/owner[generate-id(.)
= generate-id(key('owner', .))]" mode="sort">
    <xsl:sort select="." />

<xsl:template match="owner" mode="sort">
      <xsl:value-of select="." />
    <!-- list pictures by this owner-->
    <xsl:apply-templates select="key('picture', .)" />

<xsl:template match="picture">
      <xsl:value-of select="ancestor::authorgroup[1]/name" />
    <xsl:apply-templates select="*[not(self::owner)]" />    

<xsl:template match="@*|node()">
    <xsl:apply-templates select="@*|node()"/>


It's the fourth Monday of this week, so I wouldn't be surprised if it
didn't work - Anyhow, it should generate



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