<xsl:variable name="reference_items"
select="key('item-by-status', 'reference')"/>
<xsl:for-each select="$reference_items[generate-id() = generate-id(key('item-by-status-and-branch', concat(items:status, ' ', items:homebranch))[1])]">
<xsl:variable name="reference_items"
select="key('item-by-status', 'reference')"/>
<xsl:for-each select="$reference_items[generate-id() = generate-id(key('item-by-status-and-branch', concat(items:status, ' ', items:homebranch))[1])]">