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+Fri Jul 16 12:06:08 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* tool/rbinstall.rb (ext-arch): prune directories start with '-'.
+
 Thu Jul 15 21:43:35 2010  Yusuke Endoh  <mame@tsg.ne.jp>
 
 	* numeric.c (fix_divide): must not use rb_rational_new1 for coercion