X-Git-Url: http://git.indexdata.com/?p=idzebra-moved-to-github.git;a=blobdiff_plain;f=doc%2Ffield-structure.xml;h=a19838e57e8e00271e3491be1e0a5f7fbc645a69;hp=1b24aaea2265dd6e35a42c56c936b1f0a486e139;hb=HEAD;hpb=3917eb482709e0b68767ed243ee54ef727070066

diff --git a/doc/field-structure.xml b/doc/field-structure.xml
index 1b24aae..a19838e 100644
--- a/doc/field-structure.xml
+++ b/doc/field-structure.xml
@@ -436,21 +436,22 @@
       <term>equivalent <replaceable>value-set</replaceable></term>
       <listitem>
        <para>
-	This directive introduces equivalence classes of characters
-	and/or strings for sorting purposes only. It resembles the map
-	directive, but does not affect search and retrieval indexing,
-	but only sorting order under present requests. 
+	This directive introduces equivalence classes of strings for
+	searching purposes only. It's a one-to-many
+	conversion that takes place only during search before the map
+	directive kicks in.
        </para>
        <para>
-        For example, <literal>scan.chr</literal> contains the following
-        equivalent sorting instructions, which can be uncommented:
+	 For example given:
         <screen><![CDATA[
-         # equivalent æä(ae)
-         # equivalent øö(oe)
-         # equivalent å(aa)
-         # equivalent uü
+         equivalent æä(ae)
         ]]></screen>
        </para>
+       <para>
+	 a search for the <literal>äsel</literal> will be be match any of
+	 <literal>æsel</literal>, <literal>äsel</literal> and
+	 <literal>aesel</literal>.
+       </para>
       </listitem></varlistentry>
     </variablelist>
    </para>