<para>
Customization of ranking algorithm was introduced with
Pazpar2 1.6.18. The semantics of some of the fields changed
- in versions up to 1.6.21.
+ in versions up to 1.6.22.
</para>
</listitem>
</varlistentry>
by a field a metadata field (default is to use the name of the
limitmap itself).
</para>
+ <para>
+ For Pazpar2 version 1.6.23 and later the limitmap may include multiple
+ specifications, separated by <literal>,</literal> (comma).
+ For example:
+ <literal>ccl:title,local:ltitle,rpn:@attr 1=4</literal>.
+ </para>
<note>
<para>
The limitmap facility is supported for Pazpar2 version 1.6.0.