The former operator strips leading zeroes and collapses the longest
set of 0-groups to a double-colon.
+ 5. New "-bP config" support, to dump the effective configuration.
+
+ 6. New $dkim_key_length variable.
+
+ 7. New base64d and base64 expansion items (the existing str2b64 being a
+ synonym of the latter).
+
Version 4.86
------------