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+Sat Feb 24 15:41:22 2007  Shugo Maeda  <shugo@ruby-lang.org>
+
+	* lib/thread.rb: do not redefine Mutex#synchronize.
+
 Sat Feb 24 15:14:02 2007  Shugo Maeda  <shugo@ruby-lang.org>
 
 	* lib/monitor.rb: rewritten using Mutex/ConditionVariable.