akr	2008-02-16 20:43:12 +0900 (Sat, 16 Feb 2008)

  New Revision: 15510

  Modified files:
    trunk/ChangeLog
    trunk/encoding.c

  Log:
    * encoding.c (rb_enc_compatible): check encoding incapable arguments.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=15510&r2=15509&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/encoding.c?r1=15510&r2=15509&diff_format=u