~/HKU/XML/test/test2.xsl.html

<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
          xmlns:xsl="http://www.w3.org/1999/XSL/Transform" >

<xsl:template match="book">
<html> <head> </head>
<body>
   <xsl:apply-templates/>
</body>
</html>
</xsl:template>

<xsl:template match="heading">
<h2><xsl:apply-templates/></h2>
</xsl:template>

</xsl:stylesheet>