* Changes in 2.16.0 from 2.14.x
+** Added support for ESEARCH feature (RFC4731).
+
+** New option `elmo-imap4-set-seen-flag-explicitly'.
+
** Optimize refiling.
Interpret filter, pipe and multi folder and select the most suitable method.
** Speed up handling of maildir folder.
+** Use IMAP4 non-synchronizing literals (RFC 2088) if it is available.
+
** Open following thread when you put mark on message in summary buffer.
+** Add new command wl-summary-display-raw.
+
** Use EasyPG (http://www.easypg.org) if it is available.
** A folder type `namazu' is abolished. New folder type `search' is added instead.