Related Clues:

• Horizontal bar used in work-out
• Mark, man from Israeli port speaking?
• Lord's must have one and won't
• Punctuation mark separating words
• What's essential part of Lord's, and it's often overlooked
• Sign of missing letter? It's addressed to absentee
• Mark in exam's perhaps too awful
• Part of winner's prize shortly to be received by a model
• What greengrocer's offering here with unusual accuracy?
• Sign of omission made by guy perhaps consuming hour on a job
• Address to person not present that should be in St Paul's?
• It's crazily included in Finnegan's Wake — perhaps too crazily
• Struggling apropos the detail of punctuation
• Letter omission indicator
• Single quote mark