doc: fix config option display
Seperate options with simple types with a heading so they don't get
hidden under the previous options that are part of a complex type.
</xsl:if>
</xsl:when>
<xsl:otherwise>
+ <!-- Write a section header for elements with a simple type -->
+ <xsl:if test="$level = 3">
+ <xsl:call-template name="section-header">
+ <xsl:with-param name="title" select="concat($prefix, @name)"/>
+ <xsl:with-param name="label" select="concat($prefix, @name)"/>
+ <xsl:with-param name="level" select="$level"/>
+ </xsl:call-template>
+ </xsl:if>
+
<xsl:call-template name="option-header">
<xsl:with-param name="label" select="concat($prefix, @name)"/>
</xsl:call-template>
