History of schemas 7 changes

In crates/hub-api/src/lib.rs, lines 834–897 on 484527d5ba1bdec58bc21d3f68d1d3c9ffd39f31f25daa501e275acbb6019d94. 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.