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+Mon Apr  2 13:25:08 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/optparse/ac.rb: autoconf-like options.
+
 Mon Apr  2 10:34:00 2012  eregon  <eregontp@gmail.com>
 
 	* string.c (rb_str_start_with, rb_str_end_with): raise an error if