+ docstring const & error_text,
+ std::string const & child_name = empty_string());
+ ///
+ void clearErrors() { errors.clear(); }
+ ///
+ void insertRef(int line, docstring const & error_desc,
+ docstring const & error_text,
+ std::string const & child_name = empty_string());
+ ///
+ void clearRefs() { undef_ref.clear(); }