XsltVersion

<?xml version="1.0" encoding="ISO-8859-1"?>

<?xml-stylesheet href="XsltVersion" type="text/xml"?>

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

  <xsl:output method="html" omit-xml-declaration="yes" indent="no"/>

  <xsl:template match="/">
    This Wiki is running an XSLT engine by
    <xsl:value-of select="system-property('xsl:vendor')"/>
    (<a href="{system-property('xsl:vendor-url')}"><xsl:value-of select="system-property('xsl:vendor-url')"/></a>)
    implementing XSLT v<xsl:value-of select="system-property('xsl:version')"/>
  </xsl:template>

</xsl:stylesheet>