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+Sat Jun 11 18:02:09 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* io.c (io_getc): should be 7bit if ascii.  fixes #4557
+
 Sat Jun 11 16:52:16 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* numeric.c (rb_enc_uint_chr): fix message format. Bug#4869