History of proposal 6 changes

In crates/oh/src/main.rs, lines 907–1044 on 1870e4fa98086468364a61d2fa556f7fe5913bccd31404c75d8836cb12097d6c. 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 907,1044:crates/oh/src/main.rs.