". - "1..9: correct by student in 1..9 tries\n". - " *: correct by student in more than 9 tries\n". - " +: correct by override\n". - " -: incorrect by override\n". - " .: incorrect attempted\n". - " #: ungraded attempted\n". - " : not attempted\n". - " x: excused". + " 1 correct by student in 1 try\n". + " 7 correct by student in 7 tries\n". + " * correct by student in more than 9 tries\n". + " + correct by override\n". + " - incorrect by override\n". + " . incorrect attempted\n". + " # ungraded attempted\n". + " not attempted (blank field)\n". + " x excused". "
"; return $Str; }