Bug#653750: Should control = dkim_disable_verify be added to section 40.21 ?

[Regid Ichira]

  I am not sure whether section 40.21 - use of the control modifier -
is meant to be exhaustive.

--- a/spec.txt  2012-03-21 03:08:47.037989802 +0200
+++ b/spec.txt  2012-03-21 03:06:38.000000000 +0200
@@ -24616,6 +24616,11 @@ control = debug/<options>
           control = debug/opts=+expand+acl
           control = debug/tag=.$message_exim_id/opts=+expand

+control = dkim_disable_verify
+
+    This control turns off verification of DKIM signatures. Support for DKIM
+is discussed in chapter 54.
+
 control = enforce_sync, control = no_enforce_sync

     These controls make it possible to be selective about when SMTP