_ (parameter_problem, 0, erroneous_header_field) \
_ (parameter_problem, 1, unrecognized_next_header) \
_ (parameter_problem, 2, unrecognized_option) \
_ (parameter_problem, 0, erroneous_header_field) \
_ (parameter_problem, 1, unrecognized_next_header) \
_ (parameter_problem, 2, unrecognized_option) \