<xsl:if test="string-length(portrait/portrait) &gt; 0">
                        <fo:table-cell/>
                        <fo:table-cell number-rows-spanned="6">
                            <xsl:call-template name="attrib">
                                <xsl:with-param name="attribute" select="'picture'"/>
                            </xsl:call-template>
                            <fo:block>
                                <xsl:variable name="portrait_file" select="portrait/portrait_thumb"/>
                                <fo:external-graphic src="file:{$portrait_file}">
                                    <xsl:attribute name="column-width"><xsl:value-of select="($pagePrintableWidth - 14) div 8" />mm</xsl:attribute>
                                </fo:external-graphic>
                            </fo:block>
                        </fo:table-cell>
                    </xsl:if>