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+2014-11-03         Norihiro Tanaka       <noritnk@kcn.ne.jp>
+
+	* re.c (research): Use dfa superset to improve matching speed.
+
 2014-11-02         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* profile.c (div_on_left_mul_on_right): New function.