Must be one of <literal>POST</literal>,
<literal>GET</literal>, <literal>SOAP</literal> (default)
or <literal>SOLR</literal>. Version
- should be either 1.1 or 1.2. Other versions are allowed - for testing
- purposes (version negotiation with SRU server).
+ should be either 1.1 or 1.2 for SRU. Other versions are allowed - for testing
+ purposes (version negotiation with SRU server).
+ The version is currently not used for SOLR Web Services
</para>
</listitem>
</varlistentry>