History of proposal 6 changes

In crates/oh/src/main.rs, lines 1052–1189 on 1c4ad601ef9d3108d4a3ea574d8e57e733a7404de1e197e6f35b6e692c6bfb7d. 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 1052,1189:crates/oh/src/main.rs.