History of main 9 changes

In src/main.rs, lines 8–23 on 1d360c91a28966769c98cce7bbe563806655418237ff8b80a435907ca878d1dc+61e9ad6ddc2d8a7b7ad698809e7ea5167a08b8b1ee1a62a9a999932de2be4fae+e4b8bcf04a868996db3527329e593f19e4932f9f668b6d03add86e8a48073e6c. 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.