History of main 9 changes

In src/main.rs, lines 8–23 on 75036530b62161b517e759e8319fc1fdc21e45d9e62e1d01ab78b8ffc0673ba2+abe7bec1c2ba8f64986948bb9d47e77ccf86d3397dda6f26b3f31b82daebb14c+fd3f920f0b24acaaa1be76e5824a474ed08d409229303b5107201deb2c2316a7. 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.