diff --git a/nkjp2korap.xsl b/nkjp2korap.xsl
index d8a4603..86988ef 100644
--- a/nkjp2korap.xsl
+++ b/nkjp2korap.xsl
@@ -280,6 +280,8 @@
         <xsl:when test="$my_textID = $IDs_to_skip"/>
         <!--  this is a utility step, for when we want to ignore some texts for any reason (debugging, selective update)     -->
         <xsl:otherwise>
+          
+          <xsl:message select="'Processing ' || $my_textID"/>
 
           <xsl:call-template name="process_single_sample">
             <xsl:with-param name="text.doc" as="document-node()" select="."/>
@@ -345,7 +347,7 @@
     </xsl:call-template>
 
     <xsl:if test="$ann_named.doc">
-      <xsl:variable name="rev_lookup-seq" as="map(*)+">
+      <xsl:variable name="rev_lookup-seq" as="map(*)*">
         <xsl:for-each select="$ann_named.doc//tei:seg/tei:ptr">
           <xsl:variable name="trg" as="xs:string" select="fn:substring-before(@target, '#')"/>
           <!-- caution: as of 01-June-2022, some of the pointers are malformed (missing '#' when referencing locally).
@@ -360,16 +362,18 @@
         </xsl:for-each>
       </xsl:variable>
       <xsl:variable name="rev_lookup" as="map(*)"
-        select="map:merge($rev_lookup-seq, map {'duplicates': 'combine'})"/>
+        select="if(count($rev_lookup-seq)) then map:merge($rev_lookup-seq, map {'duplicates': 'combine'}) else map{}"/>
 
-      <xsl:call-template name="create_named">
-        <xsl:with-param name="compoundID" select="$compoundID" as="xs:string"/>
-        <xsl:with-param name="ann_morphosyntax.doc" select="$ann_morphosyntax.doc"
-          as="document-node()"/>
-        <xsl:with-param name="ann_named.doc" select="$ann_named.doc" as="document-node()"/>
-        <xsl:with-param name="target" select="$targetBaseDir || '/nkjp/named.xml'" as="xs:string"/>
-        <xsl:with-param name="rev_lookup" select="$rev_lookup" as="map(*)"/>
-      </xsl:call-template>
+      <xsl:if test="map:size($rev_lookup)">
+        <xsl:call-template name="create_named">
+          <xsl:with-param name="compoundID" select="$compoundID" as="xs:string"/>
+          <xsl:with-param name="ann_morphosyntax.doc" select="$ann_morphosyntax.doc"
+            as="document-node()"/>
+          <xsl:with-param name="ann_named.doc" select="$ann_named.doc" as="document-node()"/>
+          <xsl:with-param name="target" select="$targetBaseDir || '/nkjp/named.xml'" as="xs:string"/>
+          <xsl:with-param name="rev_lookup" select="$rev_lookup" as="map(*)"/>
+        </xsl:call-template>
+      </xsl:if>
     </xsl:if>
 
 <!--    <xsl:if test="$ann_words.doc and $ann_groups.doc">