The makes the output more consistent with the existing DSSSL setup.
<xsl:param name="toc.section.depth">2</xsl:param>
<xsl:param name="linenumbering.extension" select="'0'"></xsl:param>
<xsl:param name="generate.index" select="1 - $pg.fast"></xsl:param>
-<xsl:param name="preface.autolabel" select="1 - $pg.fast"></xsl:param>
<xsl:param name="section.autolabel" select="1 - $pg.fast"></xsl:param>
<xsl:param name="section.label.includes.component.label" select="1 - $pg.fast"></xsl:param>
<xsl:param name="refentry.xref.manvolnum" select="0"/>