Pressing the <Backspace> key once deletes the character just before the cursor and moves
the cursor backward one space. Pressing the <Delete> key once
deletes the character under the cursor.
- place the cursor over the letter `r' in word 'World' to be deleted
- delete the the first two characters of the word `World' by pressing
the <Backspace> key twice.
- delete the last three characters of `World' by pressing the <Delete>
key three times.
Next make sure the editor is in `insert' mode (check the
status bar to make sure that the first status character is `I'. If not
press Alt-I). Then type in the new word to replace the word deleted.
Our `Hello World' program should has now have been transformed to a `Hello
stedi' program! Next let's use another procedure to change it back to a
`Hello World' program.