Related Clues:

• Order in?
• Proofreader's marking
• Annotation in proofreading
• Margin mark
• Undo a deletion
• Marginal mark
• Proof-reader's notation
• Leave in, to a proofreader
• Typesetting mark
• Leave in after all
• Editor's request
• Let stand, to Ochs
• Do not cut
• Margin mark, perhaps
• Proof-reading mark