nobu	2008-01-23 15:04:13 +0900 (Wed, 23 Jan 2008)

  New Revision: 15180

  Modified files:
    trunk/ChangeLog
    trunk/string.c
    trunk/test/ruby/test_pack.rb

  Log:
    * string.c (str_make_independent): should set length.
    
    * string.c (rb_str_associate): hide associated array from ObjectSpace.
    
    * string.c (rb_str_associated): return associated array with freezing
      instead of false.  [ruby-dev:33282]
    
    * string.c (rb_str_freeze): freeze associated array together.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/test/ruby/test_pack.rb?r1=15180&r2=15179&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/string.c?r1=15180&r2=15179&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=15180&r2=15179&diff_format=u