* special conversion / number conversion

* Tab completion

* Implementation of preference management object (for following features).

* customization of punctuation marks.

* customization of symbol characters when direct hiragana mode.

* communication to skk server
  the skkserv protocol is shown at
  http://pitecan.com/OpenPOBox/server/protocol.html. (only 0-3)

* other types of Dictionary.

* support of AZIK.
