History of oxy 1 change

In tests/cli_docs.rs, lines 5–15 on dfb23a3a8cfa1fdf4f464003b8b19ed8fdfba9730896761927d7c1073f178aad. 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 5,15:tests/cli_docs.rs.