*** none_t.hpp.old	2011-06-05 14:28:35.000000000 -0700
--- none_t.hpp	2011-06-05 14:46:33.000000000 -0700
***************
*** 12,23 ****
--- 12,37 ----
  #ifndef BOOST_NONE_T_17SEP2003_HPP
  #define BOOST_NONE_T_17SEP2003_HPP
  
+ #include <iosfwd>
+ 
  namespace boost {
  
  namespace detail { struct none_helper{}; }
  
  typedef int detail::none_helper::*none_t ;
  
+ template<typename CharT, typename CharTraits>
+ std::basic_istream<CharT,CharTraits>& operator>> (std::basic_istream<CharT,CharTraits>& in, none_t& _)
+ {
+   return in;
+ }
+ 
+ template<typename CharT, typename CharTraits>
+ std::basic_ostream<CharT,CharTraits>& operator<< (std::basic_ostream<CharT,CharTraits>& out, none_t const& _)
+ {
+   return out;
+ }
+ 
  } // namespace boost
  
  #endif