History of MessageHistory::add 1 change

In src/commitbox.ts, lines 64–70 on 013fefef11e31efd0f80676878bd6e7389d2a0223484ce406daa7ea0ccdf6558. 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.