Re: flatened hiearchies for xslt2

  <xsl:template name="group">
    <xsl:param name="s"/>
    <xsl:param name="l" select="1"/>
   <xsl:for-each-group select="$s" group-starting-with="*[@level=$l]">
     <section id="{@id}">
       <xsl:call-template name="group">
	 <xsl:with-param name="s" select="current-group()[position()!=1]"/>
	 <xsl:with-param name="l" select="$l+1"/>
       </xsl:call-template>
     </section>
   </xsl:for-each-group>
  </xsl:template>

<xsl:call-template name="group">
	<xsl:with-param name="s" select="$sectionlist"/>
</call-template>

Thank you,
ac