add paragraph on CH/IN name space overlap

diff --git a/bin/dig/dig.docbook b/bin/dig/dig.docbook
index 6cc003ed240f499d10bd293e572c3798fd79c743..536e8b7bd2e517a689a8d91e9f00a4cc37b036b0 100644 (file)
--- a/bin/dig/dig.docbook
+++ b/bin/dig/dig.docbook
@@ -18,7 +18,7 @@
  - PERFORMANCE OF THIS SOFTWARE.
 -->
 
-<!-- $Id: dig.docbook,v 1.17.18.13 2006/01/27 23:57:44 marka Exp $ -->
+<!-- $Id: dig.docbook,v 1.17.18.14 2006/12/18 23:33:16 marka Exp $ -->
 <refentry id="man.dig">
 
   <refentryinfo>
@@ -128,6 +128,14 @@
       are applied before the command line arguments.
     </para>
 
+    <para>
+      The IN and CH class names overlap with the IN and CH top level
+      domains names.  Either use the <option>-t</option> and
+      <option>-c</option> options to specify the type and class or
+      used the <option>-q</option> the specify the domain name or
+      use "IN." and "CH." when looking up these top level domains.
+    </para>
+
   </refsect1>
 
   <refsect1>