diff --git a/nkjp2korap.xsl b/nkjp2korap.xsl
index 4bfdb7a..4a377df 100644
--- a/nkjp2korap.xsl
+++ b/nkjp2korap.xsl
@@ -12,6 +12,13 @@
   <!-- the directory containing NKJP files, in the form of a collection of text-level dirs -->
 
   <xsl:param name="targetDir" select="'test/output'" as="xs:string"/>
+  
+  <xsl:param name="skip_docID" as="xs:string">
+    <xsl:value-of select="''"/>
+    <!--  comma-separated list of document IDs to be skipped from processing
+           example: HellerPodgladanie,KOT
+          no functionality beyond string identity is supported  -->
+  </xsl:param>
 
 <!--          VARIABLES             -->
 
@@ -106,6 +113,8 @@
   -->
 
   <xsl:template name="xsl:initial-template">
+    <xsl:variable name="IDs_to_skip" select="tokenize($skip_docID,',')" as="xs:string*"/>
+    
     <!-- we only want to call the template below once, and we process a random NKJP corpus file for that purpose, 
       because all we need is the main corpus header, and we can (should) get to that from any NKJP corpus document -->
     <xsl:call-template name="create_corpus_header">
@@ -119,12 +128,20 @@
       <xsl:variable name="ann_morphosyntax.uri" select="$my_dir || '/ann_morphosyntax.xml'" as="xs:string"/>
       <xsl:variable name="ann_segmentation.uri" select="$my_dir || '/ann_segmentation.xml'" as="xs:string"/>
       
-      <xsl:call-template name="process_single_sample">
-        <xsl:with-param name="text.xml" as="document-node()" select="."/>
-        <xsl:with-param name="ann_morphosyntax.xml" as="document-node()" select="doc($ann_morphosyntax.uri)"/>
-        <xsl:with-param name="ann_segmentation.xml" as="document-node()" select="doc($ann_segmentation.uri)"/>
-        <xsl:with-param name="my_textID" select="$my_textID" as="xs:string"/>
-      </xsl:call-template>
+      <xsl:choose>
+        <xsl:when test="$my_textID = $IDs_to_skip"/>
+        <xsl:otherwise>
+          <xsl:message select="$my_textID"></xsl:message>
+          <!--<xsl:call-template name="process_single_sample">
+            <xsl:with-param name="text.xml" as="document-node()" select="."/>
+            <xsl:with-param name="ann_morphosyntax.xml" as="document-node()"
+              select="doc($ann_morphosyntax.uri)"/>
+            <xsl:with-param name="ann_segmentation.xml" as="document-node()"
+              select="doc($ann_segmentation.uri)"/>
+            <xsl:with-param name="my_textID" select="$my_textID" as="xs:string"/>
+          </xsl:call-template>-->
+        </xsl:otherwise>
+      </xsl:choose>
     </xsl:for-each>
   </xsl:template>