Document x-session-id, x-log-enable

diff --git a/doc/sru_z3950.xml b/doc/sru_z3950.xml
index 2e14946..4599871 100644 (file)
--- a/doc/sru_z3950.xml
+++ b/doc/sru_z3950.xml
@@ -82,6 +82,29 @@
          </para>
        </listitem>
       </varlistentry>
+      <varlistentry>
+       <term>x-session-id</term>
+       <listitem>
+         <para>
+           Allow a user-defined session ID to be attached to filter
+           log that follows sru_z3950. The ID is present in the
+           log files and not available to the SRU webservice. In order
+           to log material out via SRU, the x-log-enable may be used
+           instead.
+         </para>
+       </listitem>
+      </varlistentry>
+      <varlistentry>
+       <term>x-log-enable</term>
+       <listitem>
+         <para>
+            Controls whether log is to be collected for filters that
+            sru_z3950. Log data is extra response data's log element.
+            A value of 1 enables logging; other value disables
+            logging (default).
+         </para>
+       </listitem>
+      </varlistentry>
     </variablelist>
   </para>
  </refsect1>