MariaDB help tables are not complete

MariaDB CLI help tables as described here:
https://mariadb.com/kb/en/library/help-command/

are not complete. Affected are at least the following commands:

help ALTER USER
help CREATE ROLE
help DROP ROLE
help SET ROLE
help SET DEFAULT ROLE
help SHOW CREATE USER
help CREATE PACKAGE
help CREATE PACKAGE BODY
help CREATE ROLE
help CREATE SEQUENCE
help DROP PACKAGE
help DROP PACKAGE BODY
help DROP ROLE
help DROP SEQUENCE
help ALTER SEQUENCE
help ALTER USER
help CHECK VIEW
help REPAIR VIEW
help ANALYZE FORMAT=JSON
help ANALYZE
help EXPLAIN ANALYZE
help EXPLAIN FORMAT=JSON
help SHOW EXPLAIN
help FLUSH TABLES FOR EXPORT
help BACKUP STAGE
help BACKUP LOCK

Taken from the MariaDB documentation:
https://mariadb.com/kb/en/library/sql-statements/