Help required regarding Quizzes and the 'each attempt builds on the last'? All the documentation refers to '...allows the student on the new attempt to concentrate on just those questions that were answered incorrectly on the previous attempt.' There is no visual way to tell which question were correct/wrong on subsequent attempts.

FULL STEPS:
1. Log in as / or Switch to a Student Role
2. Take a Quiz that has been set to Each Attempt Builds on Last (EABOL)
3. Complete the Quiz
4. Re-attempt quiz
EXPECTED:
Quiz Navigation buttons would be gradedcorrect (green) / gradedincorrect (pink).

ACTUALLY:
Quiz Navigation buttons are gray.