foreach for targets to use substring()

gfl-plugin/src/main/resources/gfl-indexer.xslt

@@ -318,15 +318,19 @@ Refer to comments in the code to understand the used algorithm.
                <xsl:value-of select="./relatedItem/@type"/>
             </field> 
             <xsl:choose>
-            <xsl:when test="./relatedItem/ref/@target">
-               <field name="target">
-                  <xsl:value-of select="./relatedItem/ref/@target" />
-               </field>
+               <xsl:when test="./relatedItem/ref/@target">
+                  <xsl:for-each select="./relatedItem/bibl/ref/@target">
+                     <field name="target">
+                        <xsl:value-of select="substring-after(./relatedItem/ref/@target, 'http://fbl_bln/Lit/')" />
+                     </field>
+                  </xsl:for-each>
             </xsl:when>
             <xsl:when test="./relatedItem/bibl/ref/@target">
+               <xsl:for-each select="./relatedItem/bibl/ref/@target">
                <field name="target">
-                  <xsl:value-of select="./relatedItem/bibl/ref/@target" />
+                  <xsl:value-of select="substring-after(., 'http://fbl_bln/Lit/')" />
                </field>
+               </xsl:for-each>
             </xsl:when> 
             </xsl:choose>