History of watch 1 change

In crates/oh/src/main.rs, lines 856–879 on 3ea0b8af2d46f938f1820637074bc691f9fb8cc7321191bda9fd192fe806162b. 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 856,879:crates/oh/src/main.rs.