docs: def parse_delete(prs, conn):
      """Delete record.
  
      Arguments:
  
          prs:  parser object of argparse
          conn: dictionary of connection information
      """
      prs_delete = prs.add_parser(
          'delete', help='delete a record of specific zone')
      set_option(prs_delete, 'domain')
      conn_options(prs_delete, conn)
      prs_delete.set_defaults(func=delete)