From f24e93cb40db9781dc5b831957be627fd1412465 Mon Sep 17 00:00:00 2001
From: Sebastian Hammer <quinn@dart.(none)>
Date: Mon, 22 Mar 2010 20:36:22 +0000
Subject: [PATCH] Added filler for empty circ values, to enable offset-based
 association between elements of repeating circ nodes

---
 etc/opac.xsl |   21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/etc/opac.xsl b/etc/opac.xsl
index 57b2b5f..617a18b 100644
--- a/etc/opac.xsl
+++ b/etc/opac.xsl
@@ -16,13 +16,28 @@
   <xsl:template name="record-hook">
     <xsl:for-each select="/opacRecord/holdings/holding">
       <pz:metadata type="locallocation">
-        <xsl:value-of select="localLocation"/>
+        <xsl:choose>
+	  <xsl:when test="localLocation">
+	    <xsl:value-of select="localLocation"/>
+	  </xsl:when>
+	  <xsl:otherwise>PAZPAR2_NULL_VALUE</xsl:otherwise>
+	</xsl:choose>
       </pz:metadata>
       <pz:metadata type="callnumber">
-        <xsl:value-of select="callNumber"/>
+        <xsl:choose>
+	  <xsl:when test="callNumber">
+	    <xsl:value-of select="callNumber"/>
+	  </xsl:when>
+	  <xsl:otherwise>PAZPAR2_NULL_VALUE</xsl:otherwise>
+	</xsl:choose>
       </pz:metadata>
       <pz:metadata type="publicnote">
-        <xsl:value-of select="publicNote"/>
+        <xsl:choose>
+	  <xsl:when test="publicNote">
+	    <xsl:value-of select="publicNote"/>
+	  </xsl:when>
+	  <xsl:otherwise>PAZPAR2_NULL_VALUE</xsl:otherwise>
+	</xsl:choose>
       </pz:metadata>
     </xsl:for-each>
   </xsl:template>
-- 
1.7.10.4