History of oxy 1 change

In tests/cli_docs.rs, lines 5–15 on 1ec6fdbc6bcba5867766727220e1b13e9460a72ad5291f54d77df766d2ac21f8. 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.