History of main 9 changes

In src/main.rs, lines 8–23 on 155313e68e154afe5ba12111a3b5b3fb0c4b29a02ce47ec48b03d2003da79b72+75036530b62161b517e759e8319fc1fdc21e45d9e62e1d01ab78b8ffc0673ba2+fc1a466a1e66c2759e326cc3662ab9648f2e962dabe288a29e32b1483dd7691a. 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.