About detail changes after v.2.2.0, see the file ChangeLog.
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+ChaSen 2.4.3 (2008/05/31)
+----------------------------------------------------------------------
+- bug fix
+ http://sourceforge.jp/tracker/index.php?func=detail&aid=12464&group_id=2619&atid=9708
+ please use darts-0.32 or higher.
+
+----------------------------------------------------------------------
ChaSen 2.4.2 (2007/07/23)
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- bug fix