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File: Data.xml
<?xml version="1.0"?>
<numbers>
<x>4</x>
<y>3.2</y>
<z>11</z>
</numbers>
File: Transform.xslt
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<xsl:output method="xml" omit-xml-declaration="yes" />
<xsl:template match="numbers">
3.2 + string-length("3.2") =
<xsl:value-of select="y + string-length(y)" />
</xsl:template>
</xsl:stylesheet>
Output:
3.2 + string-length("3.2") =
6.2
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