Comment out debug lines
diff --git a/xslt/epub2i5.xsl b/xslt/epub2i5.xsl
index a5da781..0ac9197 100644
--- a/xslt/epub2i5.xsl
+++ b/xslt/epub2i5.xsl
@@ -297,7 +297,7 @@
     <xsl:variable name="dtitle" select="concat($straight_autor, ': ', $titel, ' (', $erscheinungsjahr, ')')"/>
 
     <xsl:template match="/">
-        <!-- for debugging purposes  -->
+    <!-- for debugging purposes
         <xsl:message select="concat('uri: ', base-uri())"/>
         <xsl:message select="concat('idno: ', $idno)"/>
 
@@ -308,7 +308,7 @@
         <xsl:message>
             <xsl:copy-of select="$dnbBookdata"/>
         </xsl:message>
-<!--        -->
+    <!- -->
 
         <xsl:if test="not($dnbBookdata//oai:dc)">
             <xsl:message terminate="yes" default-mode="text">ERROR: No metadata found for IDNO: <xsl:value-of select="$idno"/>