add ML ref.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14001 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -5,6 +5,8 @@ Fri Nov 23 13:34:08 2007  Tanaka Akira  <akr@fsij.org>
 	* range.c (range_alloc): removed.
 	  (Init_Range): use rb_struct_define_without_accessor.
 
+	  based on [ruby-dev:32327].
+
 Fri Nov 23 11:01:54 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* re.c (match_begin): should return offset by character.