Recipe 14.4. Java Extension Function Using the Class Format Namespace
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xalan="http://xml.apache.org/xslt"
xmlns:Math="xalan://java.lang.Math">
<xalan:component prefix="Math" functions="sin cos tan atan">
<xalan:script lang="javaclass" src="xalan://java.lang.Math"/>
</xalan:component>
<xsl:variable name="pi" select="4.0 *"/>
<!-- ... -->
</xsl:stylesheet>
If you use this form and omit the xalan:component
element, then your stylesheet can work with both Saxon and Xalan.
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