History of proposal 5 changes

In crates/oh/src/main.rs, lines 893–1011 on 2fb70d0198515f0e9fab3613cb4da69339ce05f2e2c1f336a9f5ff0efb29500b. 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 893,1011:crates/oh/src/main.rs.