1<xsl:stylesheet version="1.0"
2      xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
3      xmlns:fo="http://www.w3.org/1999/XSL/Format">
4
5<xsl:key name="idkey" match="div" use="@id"/>
6
7<xsl:template match="key('idkey','lookup')">
8Success
9</xsl:template>
10
11</xsl:stylesheet>
12