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+Sat Dec  5 10:18:26 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/irb/extend-command.rb (def_extend_command): fixed argument
+	  number for negative arity.
+
 Fri Dec  4 16:50:13 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* parse.y (k_def): adjust the location of method definition to the