Document metadata attribute 'facetrule'

diff --git a/doc/pazpar2_conf.xml b/doc/pazpar2_conf.xml
index 6b36345..7acdfb5 100644 (file)
--- a/doc/pazpar2_conf.xml
+++ b/doc/pazpar2_conf.xml
@@ -326,6 +326,17 @@
            </para>
           </listitem>
          </varlistentry>
+
+         <varlistentry>
+          <term id="facetrule">facetrule</term>
+          <listitem>
+           <para>
+            Specifies the ICU rule set to be used for normalizing
+            facets. If facetrule is omitted from metadata, the
+            rule set 'facet' is used.
+           </para>
+          </listitem>
+         </varlistentry>
          
          <varlistentry>
           <term>setting</term>
@@ -368,8 +379,10 @@
          Rule set 'relevance' is used to normalize
          terms for relevance ranking. Rule set 'sort' is used to 
          normalize terms for sorting. Rule set 'mergekey' is used to
-         normalize terms for making a mergekey and, finally, 'facet'
-         is used to normalize facet terms (AKA termlists).
+         normalize terms for making a mergekey and, finally. Rule set 'facet'
+         is normally used to normalize facet terms, unless
+         <xref linkend="facetrule">facetrule</xref> is given for a
+         metadata field.
         </para>
         <para>
          The icu_chain element must also include a 'locale'