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+Thu Sep 17 06:02:04 2009  Marc-Andre Lafortune  <ruby-core@marc-andre.ca>
+
+	* lib/matrix.rb: Optimizations
+
 Thu Sep 17 00:36:01 2009  Tanaka Akira  <akr@fsij.org>
 
 	* time.c (time_mdump): error message refined.