SHOW GRANTS output doesn't show the GRANT OPTION if ROLE is created with it.

MariaDB [(none)]> CREATE ROLE DB_Admin;

Query OK, 0 rows affected (0.000 sec)

MariaDB [(none)]> GRANT SELECT, UPDATE, DELETE, ALTER ON *.* TO 'DB_Admin' WITH GRANT OPTION;

Query OK, 0 rows affected (0.001 sec)

MariaDB [(none)]> SHOW GRANTS for 'DB_Admin';

+---------------------------------------------------------------+

| Grants for MariaDB_admin                                      |

+---------------------------------------------------------------+

| GRANT SELECT, UPDATE, DELETE, ALTER ON *.* TO `MariaDB_admin` |

+---------------------------------------------------------------+

1 row in set (0.000 sec)