History of proposal 5 changes

In crates/oh/src/main.rs, lines 893–1011 on 58f915792b8586ea1868ad207069e7e80a59e15a5e2aa3299cbf9ab450e25aab. 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.