# Unicode: cf 80
case π in
( "π" ) echo ok ;;
( * )   echo WRONG ;;
esac
# Unicode: cf 81
case ρ in
( "ρ" ) echo ok ;;
( * )   echo WRONG ;;
esac
# Unicode: cf 82
case ς in
( "ς" ) echo ok ;;
( * )   echo WRONG ;;
esac

case "π" in
( π ) echo ok ;;
( * ) echo WRONG ;;
esac
case "ρ" in
( ρ ) echo ok ;;
( * ) echo WRONG ;;
esac
case "ς" in
( ς ) echo ok ;;
( * ) echo WRONG ;;
esac
