History of main 9 changes

In src/main.rs, lines 8–23 on 75036530b62161b517e759e8319fc1fdc21e45d9e62e1d01ab78b8ffc0673ba2+b3b9c2f3069c462e72fe80575e4af7c4b61f18c56d90da2de64eb5489736747d+e4a9dc2948fc4bf2f47213482e11c1e85cc7ae4ef1d2b6b2ee299cf12faf92a1. 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 8,23:src/main.rs.