Trying to use Docbook transforms with Saxon7

<xsl:template name="make-relative-filename">
  <xsl:param name="base.dir" select="'./'"/>
  <xsl:param name="base.name" select="''"/>

  <xsl:choose>
    <!-- put Saxon first to work around a bug in libxslt -->
    <xsl:when test="element-available('saxon:output')">
      <!-- Saxon doesn't make the chunks relative -->
      <xsl:value-of select="concat($base.dir,$base.name)"/>
    </xsl:when>
    <!-- other alternatives deleted -->
    <xsl:otherwise>
      <xsl:message terminate="yes">
        <xsl:text>Don't know how to chunk with </xsl:text>
        <xsl:value-of select="system-property('xsl:vendor')"/>
      </xsl:message>
    </xsl:otherwise>
  </xsl:choose>
</xsl:template>

Bob Foster
http://www.xmlbuddy.com/