FEDERATED + DISCOVERY can make UTF8 columns to be corrupted

Having done on the remote server:

create table t1 (line char(32) character set UTF8 not null) engine=myisam;

insert into t1 values('Et si on était déjà à noël ?');

select * from t1;

returns:

On the local server, a FEDERATED table to access it can be created as:

create table t1 engine=FEDERATED

connection='mysql://root:tinono@localhost:3307/test/t1';

select * from t1;

returns:

and issues on warning saying:

Note: This can be corrected by specifying the default charset of the local FEDERATED table as DEFAULT CHARSET=UTF8 or by explicitely defining the local table column not specifying its character set. But this is not clearly documented.