speakernote.properties — Specifies properties for all speakernotes
    <xsl:attribute-set name="speakernote.properties">
      <xsl:attribute name="font-family">Times Roman</xsl:attribute>
      <xsl:attribute name="font-style">italic</xsl:attribute>
      <xsl:attribute name="font-size">12pt</xsl:attribute>
      <xsl:attribute name="font-weight">normal</xsl:attribute>
    </xsl:attribute-set>