History of watch 1 change

In crates/oh/src/main.rs, lines 986–1009 on v0.4.1. 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 986,1009:crates/oh/src/main.rs.