It would be helpful, when navigating through a proof, as well as seeing a box highlighting where the next move will occur, to show another box highlighting where the previous move occurred.
Idea: forward move highlight in strong yellow, reverse move highlight in faded yellow.
It would be helpful, when navigating through a proof, as well as seeing a box highlighting where the next move will occur, to show another box highlighting where the previous move occurred.
Idea: forward move highlight in strong yellow, reverse move highlight in faded yellow.
Suggested by Ed Morehouse.