+ <para>
+ Unfortunately, the data found in the
+ CQL-to-PQF text file must be added by hand-craft into the explain
+ section of the YAZ Frontend Server configuration file to be able
+ to provide a suitable explain record.
+ Too bad, but this is all extreme
+ new alpha stuff, and a lot of work has yet to be done ..
+ </para>
+ <para>
+ There is no linkeage whatsoever between the Z39.50 explain model
+ and the SRU/SRW explain response (well, at least not implemented
+ in Zebra, that is ..).
+ </para>
+ </sect2>
+
+ <sect2>
+ <title>Some SRU Examples</title>
+ <para>
+ Surf into <literal>http://localhost:9999</literal>
+ to get an explain response, or use
+ <screen>
+ <![CDATA[
+ http://localhost:9999/?version=1.1&operation=explain
+ ]]>
+ </screen>
+ </para>
+ <para>
+ See number of hits for a query
+ <screen>
+ <![CDATA[
+ http://localhost:9999/?version=1.1&operation=searchRetrieve
+ &query=text=(plant%20and%20soil)
+ ]]>
+ </screen>
+ </para>
+ <para>
+ Fetch record 5-7 in Dublin Core format
+ <screen>
+ <![CDATA[
+ http://localhost:9999/?version=1.1&operation=searchRetrieve
+ &query=text=(plant%20and%20soil)
+ &startRecord=5&maximumRecords=2&recordSchema=dc
+
+ ]]>
+ </screen>
+ </para>
+ <para>
+ Even search using PQF queries using the <emphasis>extended naughty
+ verb</emphasis> <literal>x-pquery</literal>
+ <screen>
+ <![CDATA[
+ http://localhost:9999/?version=1.1&operation=searchRetrieve
+ &x-pquery=@attr%201=text%20@and%20plant%20soil
+ ]]>
+ </screen>
+ or scan indexes using the <emphasis>extended extremely naughty
+ verb</emphasis> <literal>x-pScanClause</literal>
+ <screen>
+ <![CDATA[
+ http://localhost:9999/?version=1.1&operation=scan
+ &x-pScanClause=@attr%201=text%20something
+ ]]>
+ </screen>
+ <emphasis>Don't do this in production code!</emphasis>
+ But it's a great fast debugging aid.
+ </para>