Fix accessibility issues for the marking guide grading form in the forum grading UI

Prerequisite A screen reader (e.g. Chromevox, NVDA, or JAWS) The axe - Web Accessibility Testing tool (available for Chrome) Setup Create a course with some enrolled students Create a forum in the course with " Whole forum grading " turned configured to use marking guide grading . Configure the marking guide to have at least 2 criteria, complete with description for students and markers at least 2 frequently-used comments. Axe Log in as a teacher. Go to the forum Press " Grade users " Open the browser's developer tools Open axe Press " Analyze " Confirm that you don't see any " Buttons must have discernible text " error. Confirm that you don't see any " Elements must have sufficient colour contrast " for the " Additional comments " labels. Screen reader Using your keyboard, navigate to the grading section. Tab to the button icon beside the first criterion. Confirm that the screen reader announces the button icon as " [CRITERION's NAME] information " Tab to the score text field. Confirm that it is being announced as " [CRITERION's NAME] score ". Confirm that you also hear more details about the score text field. e.g. " Enter a score for [CRITERION's NAME] between 0 and [MAX SCORE VALUE] . " Tab to the Additional comments field. Confirm that it is being announced as " Additional comments for criterion, [CRITERION's NAME] " Confirm that you also hear more details about the score text field. e.g. " Enter any additional comments about this criterion. " Tab to the Frequently used comments button icon. Confirm that it is being announced as " Frequently used comments picker for [CRITERION's NAME] additional comments "