Please add more keyboard navigation options.

For example

• Tab key = move into and out of select
• Arrow key Up/Down = move up or down to navigate options in list
• Enter key = highlight (select) or to un-highlight (deselect) options
• Space = jump to (first) selected item in list (if long list scrolling)

Sometimes the output percentages of flows in gradebook are not the actual percentages, when the grading rule set credit_percentage other than 100, for the purpose, e.g., to encourage in-time submission of assignment. However, there are cases we need to know the actual percentages (actual correctness if neglecting credit_percentage).

Unfortuately, the credit_percentage is only used [here](