History of proposal 6 changes

In crates/oh/src/main.rs, lines 1052–1189 on b9b74d997cecc19ad363184695f1a78118182c4d774906efbee092d671bfc54f. 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.