Historical clue formulations

• Underlines — 2023-07-16
• Italicizes, e.g. — 2007-06-10
• Pronunciation considerations — 2006-01-21
• Promotes — 2005-08-27
• Accents — 1999-12-04
• Plays up — 1997-03-01
• Highlights — 1994-12-03
• Punctuates — 1994-03-26