History of schemas 7 changes

In crates/hub-api/src/lib.rs, lines 834–897 on 913e5ad27b17a3d3f4b146440aee012f9d5f0e3d2ebc1e654936ed45533a905a. 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.