std::string as_utf8(std::string const &input, Value::Strings const &specific_character_set, bool is_pn=false)
Convert a string to its UTF-8 representation.
std::string as_specific_character_set(std::string const &input, Value::Strings const &specific_character_set, bool is_pn=false)
Convert an UTF-8 string to a specific representation.