Related Clues:

• Guts
• See 53-Across
• Touch up, as text
• Stick-to-itiveness
• Red-pencil
• Bowdlerize, with 'out'
• Change
• Go over proofs
• Serve Time?
• Rewrite
• Redo, as text
• Fortitude
• Abridge
• It bollixes up the machinery
• Change for the better