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+Thu Jul 31 12:23:53 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* pack.c (pack_unpack): upper half of hexdigits has never been used.
+
 Thu Jul 31 11:31:29 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ext/syck/syck.h (ASSERT): fix typo at r18176.