Classic substitution style
templates (a la JSP, GSP)
<html xsl:version="1.0“
          xmlns:xsl="http://www…">
<body>
    <xsl:value-of select="person/name"/>,
    <xsl:value-of select="person/email/@username"/>
    @
    <xsl:value-of select="person/email/@domain"/>
    (<xsl:value-of select="person/employer"/>)
</body>
</html>