History of main 9 changes

In src/main.rs, lines 8–23 on 75036530b62161b517e759e8319fc1fdc21e45d9e62e1d01ab78b8ffc0673ba2+e4cd0c540dab470bf56fcf821dd9464d1e2b12c0e1c89533dd0714ac5fc99b22+eaa9bd54bdf25f9a28a30989366ce27c7e13dce7d48e6051015c88b0c35a51c6. 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.