History of proposal 6 changes

In crates/oh/src/main.rs, lines 907–1044 on 00ef7b83b340a7fd53544c0a8a4e63a1f79c0b0a4a7d6f2ec554722988ff46d1. 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.