Related Clues:

• Proof-reading mark
• Proofreaders' mark
• Reinstate
• "Leave as is"
• Editor's order
• Editorial marking
• Printer's reversal
• Put back in
• Mark in the margin
• Manuscript annotation
• Proofing mark
• ''Leave it in,'' editorially
• Margin notation
• Proofreader's notation
• Marginal mark, perhaps