History of proposal 5 changes

In crates/oh/src/main.rs, lines 893–1011 on 11a2e09d6a696def19b0b20e222b05aaed4ac44457a387c079586bc8be6e399f. 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.