marking differences in the Differences viewer?
Have you noticed the buttons
marking differences in the Differences viewer?
You can simply apply differences between panes, by clicking one of these chevron buttons.
Keep the Ctrl key pressed, and the chevron buttons
change to 
.
Click one of these buttons to append contents of the current pane of the Differences viewer to the other pane.
If you keep Shift pressed, the chevrons turn
into 
. Click this button to revert changes.