History of main 9 changes

In src/main.rs, lines 8–23 on 75036530b62161b517e759e8319fc1fdc21e45d9e62e1d01ab78b8ffc0673ba2+a88bcedb088bfece597af7ba8126b1e10a77e752c2d24587b51728655c3b747e+ff7c55b5c87b67135de93b27d122915ec38e5c9a0f34727e506691dc891d21a3. 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.