Add uncommentable debugging messages
diff --git a/xslt/epub2i5.xsl b/xslt/epub2i5.xsl
index b23de65..80c6a35 100644
--- a/xslt/epub2i5.xsl
+++ b/xslt/epub2i5.xsl
@@ -249,6 +249,18 @@
select="concat($straight_autor, ': ', $titel, ' (', $erscheinungsjahr, ')')"/>
<xsl:template match="/">
+ <!-- for debugging purposes
+ <xsl:message select="concat('uri: ', base-uri())"/>
+ <xsl:message select="concat('idno: ', $idno)"/>
+
+ <xsl:message>
+ dnbBookdataQuery: <xsl:value-of select="$dnbBookdataQuery"/>
+ </xsl:message>
+
+ <xsl:message>
+ <xsl:copy-of select="$dnbBookdata"/>
+ </xsl:message>
+ -->
<xsl:if test="not($j)">
<xsl:message terminate="yes">ERROR: No dc:date found for IDNO: <xsl:value-of select="$idno"/></xsl:message>
</xsl:if>