action_direction_t 2044 src/diffviewer/ydiff.c                    action_direction_t merge_direction)
action_direction_t 2084 src/diffviewer/ydiff.c                 action_direction_t merge_direction)
action_direction_t 2137 src/diffviewer/ydiff.c                     action_direction_t merge_direction)
action_direction_t 2185 src/diffviewer/ydiff.c do_merge_hunk (WDiff * dview, action_direction_t merge_direction)