Related Clues:

• A sure sign that some letters are missing
• Sign made by pastor with hope
• It's mark of ownership
• Sign of letter dropped in the post, or a dodgy 'p' for 't'
• Guardian's printers use this, perhaps too loosely
• Proofreader's mark shows concern with the letter 't'
• To a shopper, oddly enough, it may indicate possession
• Frequently unwarranted intruder presenting a job for the right workman?
• Mark showing omission of letters
• Often misplaced punctuation mark
• 'Put it there' indicator
• Proofreader's insertion sign
• Mark indicates that letters are missing
• Word from the Latin for ''is lacking''
• Addition mark