History of main 9 changes

In src/main.rs, lines 8–23 on 75036530b62161b517e759e8319fc1fdc21e45d9e62e1d01ab78b8ffc0673ba2+85ef828b6bf03f79e9b74aa601542c2ae258a77daab9eea9fe6c5bc14ff3579b+93e7f1d9ef1c7ce594fda04528f39b4129f058eecccf752a90f0ce77072a0810. 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.