History of proposal 5 changes

In crates/oh/src/main.rs, lines 893–1011 on 1d634f698ecd59f20847877c4e119ed717c47c6c0e4bde499c9e1fb7fbbd3c61. 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.