Thanks.  Could you try the current gretl snapshot, at
 
 
http://ricardo.ecn.wfu.edu/pub/gretl/gretl_install.exe
 
 I think the handling of accented characters in graphs should be 
 more robust with this version.
 
 Allin Cottrell 
Thanks a lot Allin! It works, of course... Thanks once again...
Best wishes,
Mariusz Doszyn
University of Szczecin
Poland