Historical clue formulations

• Something Cap'n Crunch has — 2020-02-29
• Feature of "G'day" or "Yes'm" — 2019-10-30
• Will-o'-the-wisp feature — 2011-07-27
• Fo'c'sle feature — 2003-09-13
• Jack-o'-lantern feature — 2003-07-13
• Skip it — 1998-04-25
• A going-over — 1997-10-17
• What an apostrophe may signal — 1997-10-05