History of main 9 changes

In src/main.rs, lines 8–23 on 28fee1c9eb6c77cc9fe9c4204677c2293863326d60954902281dbbd2ea3f8216+75036530b62161b517e759e8319fc1fdc21e45d9e62e1d01ab78b8ffc0673ba2+9df6217f5f4749afbf52c40f1032cdbbde91dd3b9de8bcc97fc383012bf59842. 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.