Bug 12948: Use word indexing for language (MARC21)

This patch is for MARC21. To test:
1)Setup a site with
 MARC21
2)Insert 2 record, one lang A in 041 and 008 pos
 35-37 an other with lang A in 041 and lang B in 008 pos
 35-37
3)Index them
4)Search in advanced search with filter
 'languare' for lan A. You will see 2 records
5)Search in
 advanced search with filter 'languare' for lan B. You will
 see 0 records
6)Apply the patch
7)Full reindex
8)Search in advanced search
 with filter 'languare' for lan B. You will see 1 records

http://bugs.koha-community.org/show_bug.cgi?id=12948

Signed-off-by: Magnus Enger <magnus@enger.priv.no>
I have *not* actually tested this, but the changes are identical to the ones
done for NORMARC, which I have tested, so I think it is safe to sign off. If
anyone disagrees, please reset the bug to "Needs signoff".

Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>

etc/zebradb/marc_defs/marc21/biblios/biblio-koha-indexdefs.xml

@@ -39,7 +39,7 @@
   <index_control_field tag="007" offset="0" length="2">
     <target_index>ff7-01-02:w</target_index>
   </index_control_field>
-  <!--record.abs line 47: melm 008        date-entered-on-file:n:range(data,0,5),date-entered-on-file:s:range(data,0,5),pubdate:w:range(data,7,4),pubdate:n:range(data,7,4),pubdate:y:range(data,7,4),pubdate:s:range(data,7,4),pl:w:range(data,15,3),ta:w:range(data,22,1),ff8-23:w:range(data,23,1),ff8-29:w:range(data,29,1),lf:w:range(data,33,1),bio:w:range(data,34,1),ln:n:range(data,35,3),ctype:w:range(data,24,4),Record-source:w:range(data,39,0)-->
+  <!--record.abs line 47: melm 008        date-entered-on-file:n:range(data,0,5),date-entered-on-file:s:range(data,0,5),pubdate:w:range(data,7,4),pubdate:n:range(data,7,4),pubdate:y:range(data,7,4),pubdate:s:range(data,7,4),pl:w:range(data,15,3),ta:w:range(data,22,1),ff8-23:w:range(data,23,1),ff8-29:w:range(data,29,1),lf:w:range(data,33,1),bio:w:range(data,34,1),ln:w:range(data,35,3),ctype:w:range(data,24,4),Record-source:w:range(data,39,0)-->
   <index_control_field tag="008" offset="0" length="5">
     <target_index>date-entered-on-file:n</target_index>
   </index_control_field>
@@ -77,7 +77,7 @@
     <target_index>bio:w</target_index>
   </index_control_field>
   <index_control_field tag="008" offset="35" length="3">
-    <target_index>ln:n</target_index>
+    <target_index>ln:w</target_index>
   </index_control_field>
   <index_control_field tag="008" offset="24" length="4">
     <target_index>ctype:w</target_index>

etc/zebradb/marc_defs/marc21/biblios/biblio-zebra-indexdefs.xsl

@@ -122,7 +122,7 @@ definition file (probably something like {biblio,authority}-koha-indexdefs.xml)
     <z:index name="bio:w">
       <xslo:value-of select="substring(., 35, 1)"/>
     </z:index>
-    <z:index name="ln:n">
+    <z:index name="ln:w">
       <xslo:value-of select="substring(., 36, 3)"/>
     </z:index>
     <z:index name="ctype:w">