The Difference Menu

DifferenceUnapply All (Ctrl+U)

Unapply all differences previously applied between source and destination.

DifferenceUnapply Difference (Backspace)

Revert a selected difference previously applied.

DifferenceApply Difference (Space)

Apply a selected difference.

DifferenceApply All (Ctrl+A)

Apply all differences between source and destination.

DifferencePrevious File (Ctrl+PgUp)

Make the previous difference, in the list of differences, the current file in the view pane.

DifferenceNext File (Ctrl+PgDown)

Make the next difference, in the list of differences, the current file in the view pane.

DifferencePrevious Difference (Ctrl+Up)

Select the difference above the currently selected difference.

DifferenceNext Difference (Ctrl+Down)

Select the difference below the currently selected difference.