ok1(strstr(output, " Description of b (default: b)\n"));
ok1(strstr(output, "--ddd "));
ok1(strstr(output, " Description of ddd\n"));
ok1(strstr(output, " Description of b (default: b)\n"));
ok1(strstr(output, "--ddd "));
ok1(strstr(output, " Description of ddd\n"));