Historical clue formulations

• What x's sometimes represent — 2019-10-27
• Things wrapped in foil — 2011-03-03
• Rejects, with "off" — 2007-08-05
• Individually wrapped candies — 2003-04-20
• Some chocolates — 1999-09-16
• See 46-Across — 1996-12-02
• Gives lip service — 1996-02-11