Document the very useful ZOOM-C option "apdulog".

diff --git a/doc/zoom.xml b/doc/zoom.xml
index 8a6bb92..6c88750 100644 (file)
--- a/doc/zoom.xml
+++ b/doc/zoom.xml
@@ -300,6 +300,12 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
        On response the the list contains the terms that the target
        could collect. 
        </entry><entry>none</entry></row>
+      <row><entry>
+        apdulog</entry><entry>
+       If set to a true value such as "1", a log of low-level
+        protocol packets is emitted on standard error stream.  This
+        can be very useful for debugging.
+       </entry><entry>0</entry></row>
      </tbody>
     </tgroup>
    </table>