History of proposal 6 changes

In crates/oh/src/main.rs, lines 1052–1189 on 0ee5c3fb32eb9084f236277ff9c487c20adbe99ff6f26a2a2e04d2069e98f594. 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 1052,1189:crates/oh/src/main.rs.