"She's tickled now; her fume now needs no spurs,
She'll gallop fast enough to her destruction."
The 2nd folio reads 'can need'; 'fast' is Pope's correction for far of the folio.
Act II.
Sc. 1.
"For with such holiness you can do it."
In 'The Contention,' etc., 4to, it is dote for 'do it'; the folio reads 'can you.'
"For to present your Highness with the man."