obsolete/deprecated: -noatfile will become the default in the next
nmh release. If there are no requests to maintain -atfile, it will
be removed in the future.
+- Added support for readline editing and command/filename completion at
+ the WhatNow? prompt
+- The hostable option of mts.conf is no longer needed and has been removed.
+- A sample mhl filter for handling MIME content inside of mhl has been
+ placed as "replyfilter" in the doc contrib directory, which is typically
+ installed as <prefix>/share/doc/nmh/contrib/.