Fix novalue support

diff --git a/xslts/merge_rdf.xslt b/xslts/merge_rdf.xslt
index 7ecde30d715cee028d4b14fbeb5fe1737f44b4bb..e54aeb76610a72f8f537f1c02e15c3157b68eddf 100644 (file)
--- a/xslts/merge_rdf.xslt
+++ b/xslts/merge_rdf.xslt
@@ -114,7 +114,9 @@
        </xsl:template>
        
        <xsl:template match="/wdef:knowledge/wdef:element/wdef:property/wdef:novalue">
-               <xsl:if test="../../@wdef:id != $element-id or not($wd-resource/rdf:type[@rdf:resource = concat('http://www.wikidata.org/prop/novalue/', ../@wdef:pid)])">
+               <xsl:variable name="PID" select="../@wdef:pid" />
+               
+               <xsl:if test="../../@wdef:id != $element-id or not($wd-resource/rdf:type[@rdf:resource = concat('http://www.wikidata.org/prop/novalue/', $PID)])">
                        <xsl:copy-of select="." />
                </xsl:if>
        </xsl:template>