namespace boost {
  namespace text {
    template<typename Char, typename String> struct basic_unencoded_rope;
    template<typename Char, typename String, typename T> 
      bool operator==(basic_unencoded_rope< Char, String >, T const &);
    template<typename Char, typename String, typename T> 
      bool operator==(T const &, basic_unencoded_rope< Char, String >);
    template<typename Char, typename String, typename T> 
      bool operator!=(basic_unencoded_rope< Char, String >, T const &);
    template<typename Char, typename String, typename T> 
      bool operator!=(T const &, basic_unencoded_rope< Char, String >);
    template<typename Char, typename String, typename T> 
      bool operator<(basic_unencoded_rope< Char, String >, T const &);
    template<typename Char, typename String, typename T> 
      bool operator<(T const &, basic_unencoded_rope< Char, String >);
    template<typename Char, typename String, typename T> 
      bool operator<=(basic_unencoded_rope< Char, String >, T const &);
    template<typename Char, typename String, typename T> 
      bool operator<=(T const &, basic_unencoded_rope< Char, String >);
    template<typename Char, typename String, typename T> 
      bool operator>(basic_unencoded_rope< Char, String >, T const &);
    template<typename Char, typename String, typename T> 
      bool operator>(T const &, basic_unencoded_rope< Char, String >);
    template<typename Char, typename String, typename T> 
      bool operator>=(basic_unencoded_rope< Char, String >, T const &);
    template<typename Char, typename String, typename T> 
      bool operator>=(T const &, basic_unencoded_rope< Char, String >);
    template<typename Char, typename String, typename T> 
      basic_unencoded_rope< Char, String > 
      operator+(basic_unencoded_rope< Char, String >, T const &);
    template<typename Char, typename String, typename T> 
      basic_unencoded_rope< Char, String > 
      operator+(T const &, basic_unencoded_rope< Char, String >);
  }
}