Add some additional tests to report badly formatted synopsis.

            </xsl:choose>

        </xsl:variable>

        <!-- Check if the default string really starts with the directive -->

        <!-- name, in order to avoid typo, or unexpected formatting.      -->

        <!-- Below, we skip the directive name, so, for it to work, it    -->

        <!-- must be there.                                               -->

        <!-- Check if the syntax and the default strings really start with -->

        <!-- the directive name, in order to avoid typo, or unexpected     -->

        <!-- formatting.                                                   -->

        <!-- Un-comment these lines if you want to perform this additional -->

        <!-- tests.  They are not run by default, because of the false     -->

        <!-- positives and the noise they generate.                        -->

<!--

        <xsl:if test="string-length(syntax) = 0 or

                         (syntax != name and

                          substring-before(syntax, ' ') != name and

                          substring-before(syntax, ' ') != concat ('<', name) and

                          substring-before(syntax, ' ') != concat ('<', name, '>')

                         )" >

            <xsl:message>Spurious syntax string for <xsl:value-of select="name"/>: '<xsl:value-of select="syntax"/>'</xsl:message>

        </xsl:if>

        <xsl:if test="string-length($default) &gt; 0

                      and substring-before($default, ' ') != name">

            <xsl:message>Spurious default string: <xsl:value-of select="$default"/> (Directive <xsl:value-of select="name"/> omitted or misspelled)</xsl:message>

            <xsl:message>Spurious default string for <xsl:value-of select="name"/>: <xsl:value-of select="$default"/></xsl:message>

        </xsl:if>

-->

        <!-- Now. If the default output is empty, the xslt processor emits -->

        <!-- <td />. In order to avoid this, we simply emit <td></td>      -->