It is, as I wrote above. I have no LC_CTYPE anymore, only ascii. With
LC_CTYPE=US.UTF-8 I get problems.
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+-----------+---------+-------+-----------------------
acs | acs | SQL_ASCII | C | C |
postgres | postgres | SQL_ASCII | C | C |
template0 | postgres | SQL_ASCII | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | SQL_ASCII | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
(4 rows)