(async-new-user-area): New async message.

doc/Protocol-A.texi

@@ -8109,6 +8109,7 @@ reject them if a client uses it as an argument to
 * async-new-recipient::         r A new recipient has been added to a text (16)
 * async-sub-recipient::         r A recipient has been removed from a text (17)
 * async-new-membership::        r A user has been added to a conference    (18)
+* async-new-user-area::         r A user-area was changed                  (19)
 @end menu
 
 @ifnottex
@@ -8438,6 +8439,20 @@ only to @aarg{pers-no}, but that may change in the future.
 
 See also @ref{async-leave-conf}.
 
+@node async-new-user-area
+@section async-new-user-area (11) Recommended
+
+@amindex async-new-user-area
+@example
+        async-new-user-area [19] (( pers-no       :   @lt{Pers-No};
+                                    old-user-area :   @lt{Text-No};
+                                    new-user-area :   @lt{Text-No} ));
+@end example
+
+This message indicates that the user-area of @aarg{pers-no} has
+changed from @aarg{old-user-area} to @aarg{new-user-area}.  This
+message is sent to all supervisors of @aarg{pers-no} (which of course
+includes @aarg{pers-no} himself).
 
 
 @node Error Codes