History of undo 1 change

In src/extension.ts, lines 330–351 on 25103dddd993ec7d8ef86bc66b9a9737c1369f9b73e54effa9e820b46c84f321. 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 330,351:src/extension.ts.