Yep. Documentation is important.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@171925 65c4cc65-6c06-0410-ace0-fbb531ad65f3

CHANGES

@@ -331,6 +331,9 @@ Queue changes
   * A new configuration option, "timeoutpriority" has been added. Please see the section labeled
     "QUEUE TIMING OPTIONS" in configs/queues.conf.sample for a detailed explanation of the option
     as well as an explanation about timeout options in general
+  * Added a new option - C - for forcing the "answered elsewhere" flag on
+    cancellation of calls in to members of the queue. This is to avoid the
+    call to a member of a queue having the call listed as a "missed call".
 
 Realtime changes
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