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+Fri Dec  5 18:07:32 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* win32/win32.c (rb_w32_read, rb_w32_write, rb_w32_isatty): check
+	  whether fd is valid.
+
 Fri Dec  5 13:05:45 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* iseq.c (rb_iseq_parameters): proc arguments are always optional.