matz	2008-01-10 02:44:13 +0900 (Thu, 10 Jan 2008)

  New Revision: 14972

  Modified files:
    trunk/ChangeLog
    trunk/io.c
    trunk/test/ruby/test_io_m17n.rb
    trunk/version.h

  Log:
    * io.c (rb_io_binmode): should not alter encoding.  [ruby-dev:32918]
    
    * io.c (io_read_encoding): need not to return ASCII-8BIT for
      binary IO.

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/version.h?r1=14972&r2=14971&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=14972&r2=14971&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/test/ruby/test_io_m17n.rb?r1=14972&r2=14971&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/io.c?r1=14972&r2=14971&diff_format=u