History of main 9 changes

In src/main.rs, lines 8–23 on 75036530b62161b517e759e8319fc1fdc21e45d9e62e1d01ab78b8ffc0673ba2+85df6b4c4d9c765408b3048a4cd97c68336fde8ae6b6460c340beea932b8b063+b037ade16953e826ad80149a11f2cad29ad3010615d795dd395e1fc3711f5463. 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.