<xsl:stylesheet
xmlns:xsl="http://www.w3.org/TR/WD-xsl"
xmlns:fo="http://www.w3.org/TR/WD-xsl/FO"
result-ns="fo">
<xsl:template match="/">
 <fo:basic-page-sequence font-family="serif">
   <xsl:apply-templates/>
 </fo:basic-page-sequence>
</xsl:template>
</xsl:stylesheet>