History of proposal 6 changes

In crates/oh/src/main.rs, lines 1052–1189 on 8aa5ef384ef18424402f7417566ca62c03326a2769205b694d4a07f55e7c6a5b. 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.