naruse	2008-01-24 01:03:29 +0900 (Thu, 24 Jan 2008)

  New Revision: 15194

  Modified files:
    trunk/ChangeLog
    trunk/encoding.c
    trunk/include/ruby/encoding.h

  Log:
    * encoding.{c, h} (rb_usascii_encoding): added.

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=15194&r2=15193&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/include/ruby/encoding.h?r1=15194&r2=15193&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/encoding.c?r1=15194&r2=15193&diff_format=u