field first. A sort field may be followed by a colon followed by
the number '0' or '1', indicating whether results should be sorted in
increasing or decreasing order according to that field. 0==Decreasing is
- the default.
+ the default. Sort field names can be any field name designated as a sort field
+ in the pazpar2.cfg file, or the special name 'relevance'.
</para>
</listitem>
</varlistentry>