Related Clues:

• Proof mark
• As is
• Editor's note, perhaps
• Text preserver, to an editor
• Editing mark
• Proofreader's word
• Proofer's retraction
• Marginalia notation
• Proofreader's comment
• Manuscript marking, perhaps
• 'Keep this in'
• It's used when you have the wrong change
• Editor's "Never mind"
• Editorial mark
• Dele opposite