History of main 9 changes

In src/main.rs, lines 8–23 on 1681323d1dff8c96147afa6b611c3a0b6b4bedb46a2cbe0ef8021739153bfdb5+33e77a5526fa75286b45f5aafafef9b9e94f06d5cb778668301082347d0d9ea6+36695c5e02efe40e62f8fdc51e445000e2ea01664a9bafef468229d395343bf2. 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.