Muench´sche Methode: Beispiel
<xsl:key name="cds" match="cd"
use="interpret"/>
<xsl:template match="/">
<xsl:for-each select="//cd[generate-id(.)=
generate-id(key('cds', interpret))]">
<xsl:value-of
select="interpret"/><br/>
<xsl:for-each select="key('cds',
interpret)">
Titel: <xsl:value-of
select="titel"/><br/>
Hersteller: <xsl:value-of
select="hersteller"/><br/>
</xsl:for-each>
<br/>
</xsl:for-each>
</xsl:template>