History of main 9 changes

In src/main.rs, lines 8–23 on 2cc29048b84a5337e3c228a46bfbb303662ed1a2146fb1ea4d646c73c9f201b5+57f8f0b3a4d0f9d7517bfeaea89f2d119a51451ad125297614323ff203feeda7+75036530b62161b517e759e8319fc1fdc21e45d9e62e1d01ab78b8ffc0673ba2. 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.