<func:function name="cms:isNotRichTextEmpty">
        <xsl:param name="meta"/>
        <func:result select="$meta/docbook:article and not(normalize-space($meta/docbook:article/docbook:para) = '&#160;' and count($meta/docbook:article/*) = 1 and not($meta/docbook:article/*))"/>
    </func:function>

<func:function name="cms:isNotRichTextEmpty">
        <xsl:param name="meta"/>
        <func:result select="$meta/docbook:article and $meta/docbook:article/* and not(normalize-space($meta/docbook:article/docbook:para) = '&#160;' and count($meta/docbook:article/*) = 1 and not($meta/docbook:article/*))"/>
    </func:function>