mergekey and facets - for the server. These definitions serves as
default for services that don't have these given. For the meaning
of these settings refer to the
- <xref linkend="icu_chain">"icu_chain"</xref> element inside service.
+ <xref linkend="icuchain"/> element inside service.
</para>
</listitem>
</varlistentry>
</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>
</varlistentry>
<varlistentry>
- <term id="icu_chain">icu_chain</term>
+ <term id="icuchain" xreflabel="icu_chain">icu_chain</term>
<listitem>
<para>
Specifies a named ICU rule set. The icu_chain element must include
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'