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File: Data.xml
<?xml version="1.0"?>
<addressbook>
<address>
<street>1234 Main Street</street>
<city>Z</city>
<state>WI</state>
<zip>48392</zip>
</address>
</addressbook>
File: Transform.xslt
<?xml version="1.0"?>
<xsl:stylesheet version="2.0"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="text"/>
<xsl:template match="/">
<xsl:variable name="cities" as="item()*">
<xsl:sequence select="addressbook/address/city"/>
<xsl:sequence select="('A', 'B', 'C')"/>
<xsl:sequence select="('D', 'E', 'F')"/>
</xsl:variable>
<xsl:text>Our customers live in these cities:

</xsl:text>
<xsl:for-each select="$cities">
<xsl:choose>
<xsl:when test=". instance of element()">
<xsl:text> Node: </xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:text>Atomic value: </xsl:text>
</xsl:otherwise>
</xsl:choose>
<xsl:value-of select="."/>
<xsl:text>
</xsl:text>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
Output:
Our customers live in these cities:
Node: Z
Atomic value: A
Atomic value: B
Atomic value: C
Atomic value: D
Atomic value: E
Atomic value: F
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