History of main 9 changes

In src/main.rs, lines 8–23 on 2b668d92b066f07d2f01a54e49ce18746e4a97128653e22ddf9fd423959df76d+5b033d68726a499a49847c1a3b937b0c1436224ad001b6652eb4914c9430e015+8d80356371c5573ae038724d4adec6f3835e1d265c75ac1d9c7a0c82c49f2724. 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.