Synopsis

<xsl:attribute-set name="sidebar.title.properties">
  <xsl:attribute name="font-weight">bold</xsl:attribute>
  <xsl:attribute name="hyphenate">false</xsl:attribute>
  <xsl:attribute name="text-align">start</xsl:attribute>
  <xsl:attribute name="keep-with-next.within-column">always</xsl:attribute>
</xsl:attribute-set>