    UnderOverlay(char const* which) :
        which(which),
        filename(0),
        password(0),
        to_nr("1-z"),
        from_nr("1-z"),
        repeat_nr("")
    {
    }
    UnderOverlay(char const* which) :
        which(which),
        filename(0),
        password(0),
        to_nr("1-z"),
        from_nr("1-z"),
        repeat_nr("")
    {
    }