naruse	2008-02-20 19:44:28 +0900 (Wed, 20 Feb 2008)

  New Revision: 15554

  Modified files:
    trunk/ChangeLog
    trunk/encoding.c

  Log:
    * encoding.c (rb_enc_associate_index): doesn't clear coderange
      when new encoding equals to old one.

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=15554&r2=15553&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/encoding.c?r1=15554&r2=15553&diff_format=u