+
+ <varlistentry><term>searchResponse</term>
+ <listitem><para>
+ Z39.50 Search Response with the information:
+ status (OK or FAIL), hit count, number of records returned,
+ next result set position.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry><term>presentRequest</term>
+ <listitem><para>
+ Z39.50 Present Request with the information:
+ result Set ID, start position, number of records requested,
+ record syntax, record composition.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry><term>presentResponse</term>
+ <listitem><para>
+ Z39.50 Present Response with the information:
+ status (OK, DIAG, ERROR), number of records returned,
+ next result set position.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry><term>scanRequest</term>
+ <listitem><para>
+ Z39.50 Scan Request with the information:
+ database(s), number of terms requested, preferred position in
+ response, step size, start point.
+ </para>