History of BlameController::invalidate 1 change

In src/blame.ts, lines 47–54 on ab81294a9ba91d0f0c80c0b919f07fcd92a8d1f7c3fe4dbf79064c925d0521b6. 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 47,54:src/blame.ts.