put substring in var

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

@@ -317,15 +317,18 @@ Refer to comments in the code to understand the used algorithm.
             <field name="type_refs">
                <xsl:value-of select="./relatedItem/@type"/>
             </field> 
+            
             <xsl:choose>
                <xsl:when test="./relatedItem/ref/@target">
-                  <field name="tartget">
-                     <xsl:value-of select="substring-after(./relatedItem/ref/@target, 'http://fbl_bln/Lit/')" />
+                  <xsl:variable name="targetString" select="substring-after(./relatedItem/ref/@target, 'http://fbl_bln/Lit/')"/>
+                  <field name="target">
+                     <xsl:value-of select="$targetString" />
                   </field>
                </xsl:when>
                <xsl:when test="./relatedItem/bibl/ref/@target">
-                  <field name="tartget">
-                     <xsl:value-of select="substring-after(./relatedItem/bibl/ref/@target, 'http://fbl_bln/Lit/')" />
+                  <xsl:variable name="targetString_bibl" select="substring-after(./relatedItem/bibl/ref/@target, 'http://fbl_bln/Lit/')"/>
+                  <field name="target">
+                     <xsl:value-of select="$targetString_bibl" />
                   </field>
                </xsl:when>  
             </xsl:choose>