History of project 3 changes

In crates/oh/src/main.rs, lines 1350–1464 on a74ba3cb45110de2d93ca6a30715294f4a59b6bdf7f1b957125985b4dcb9794c. 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 1350,1464:crates/oh/src/main.rs.