Related Clues:

• Editor's ''remove''
• Bit of editing marginalia
• Symbol on a 6 key
• Insertion sign
• Proofing pointer
• Proofreading sign
• Proofreading mark
• A stet cancels it
• Sign of insertion
• Order take-out?
• Addition sign
• Kill off a character?
• Opposite of 83-Across
• Proofreading pointer
• PC Keyboard letters