+ <varlistentry>
+ <term><replaceable class="parameter">sort_family_name</replaceable></term>
+ <listitem>
+ <para>
+ The name (optionally schema-qualified) of an existing <literal>btree</literal> operator
+ family that describes the sort ordering associated with an ordering
+ operator.
+ </para>
+
+ <para>
+ If neither <literal>FOR SEARCH</> nor <literal>FOR ORDER BY</> is
+ specified, <literal>FOR SEARCH</> is the default.
+ </para>
+ </listitem>
+ </varlistentry>
+