History of MessageHistory::add 1 change

In src/commitbox.ts, lines 64–70 on dac6876e4d08e3c81d98ed54cd9a4d39b7e92b9b64278c7b2554ae6bbea66992. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 64,70:src/commitbox.ts.