Implement the Editor Buffer class using the strategy described in the section entitled “Doubly linked lists” on page 606. Be sure to test your implementation as thoroughly as you can. In particular,...

Implement the Editor Buffer class using the strategy described in the section entitled “Doubly linked lists” on page 606. Be sure to test your implementation as thoroughly as you can. In particular, make sure that you can move the cursor in both directions across parts of the buffer where you have recently made insertions and deletions.