History of write 1 change

In crates/hub/tests/edits.rs, lines 27–31 on v0.9.1. 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 27,31:crates/hub/tests/edits.rs.