History of schemas 7 changes

In crates/hub-api/src/lib.rs, lines 834–897 on e8534c304744c8c7219c25a9b9cd6ff738ec039f09dfd1af2fb1299d7cae12c3. 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 834,897:crates/hub-api/src/lib.rs.