History of m 1 change

In crates/hub/src/diffusion.rs, lines 513–522 on 757195ad7a5db0029af1a41507434077abedd0825b245f8e129a7bc23fb6302a. 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 513,522:crates/hub/src/diffusion.rs.