naruse	2008-02-29 03:13:45 +0900 (Fri, 29 Feb 2008)

  New Revision: 15635

  Modified files:
    trunk/ChangeLog
    trunk/hash.c
    trunk/object.c
    trunk/string.c
    trunk/version.h

  Log:
    * string.c (str_new): remove encoding assumption of empty string.
    
    * hash.c ( rb_f_getenv, env_fetch, env_inspect): result of ENV should
      be always ASCII-8BIT.
    
    * object.c (nil_to_s): nil.to_s should be US-ASCII.

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/version.h?r1=15635&r2=15634&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/string.c?r1=15635&r2=15634&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/hash.c?r1=15635&r2=15634&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=15635&r2=15634&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/object.c?r1=15635&r2=15634&diff_format=u