History of main 9 changes

In src/main.rs, lines 8–23 on 1197a869a04774364dd1a0885f9f37b3c63d5f885d6d3defb64381f0b774fba5+75036530b62161b517e759e8319fc1fdc21e45d9e62e1d01ab78b8ffc0673ba2+e5e73109dbf17fb9080a83a4597920acf9efb14e13f19223dbda952e394fb62d. 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.