The following documentation comment has been logged on the website:
Page: https://www.postgresql.org/docs/11/sql-createrole.html
Description:
Please add something like this to the LOGIN/NOLOGIN part:
The `psql` commands `\du` and `\dg` show `Cannot login` for roles with
`NOLOGIN` and nothing for roles with `LOGIN`. For other attributes `psql`
show their positive forms.