History of run 1 change

In crates/oh/src/main.rs, lines 263–316 on ced6d3afc5cf135158603e2acf3c2fa8473f93488c5a9320df2e064d80db00a1. 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 263,316:crates/oh/src/main.rs.