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File: Data.xml
<?xml version = "1.0"?>
<product>
<books>
<book>
Getting Started with Microsoft Visual C++
</book>
<book>Java</book>
</books>
</product>
File: Transform.xslt
<?xml version = "1.0"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/product">
Is product the ancestor of 'Java'?
<xsl:if
test="name(//node()[. = 'Java']/ancestor::product) = 'product'">
Yes
</xsl:if>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?>
Is product the ancestor of 'Java'?
Yes
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