Related Clues:

• Shorten, perhaps
• Make modifications to
• Polish, as an essay
• Use 18-Across
• Cut out the boring scenes
• Work on proofs
• Revise, as copy
• Fix a manuscript
• Exchange words?
• Tweak, say
• Wield a blue pencil
• Polish, as writing
• Cut features, e.g.
• Correct, as copy
• Clean up, as a manuscript