History of Model::dispose 1 change

In src/model.ts, lines 86–90 on 0bfe88762caa24e7c8cd1df8434cddd9a2f698f07b2b2b60baab3541507ac5a6. 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 86,90:src/model.ts.