History of finish 3 changes

In crates/oxy-strata/src/aws.rs, lines 191–220 on 4476cdbb0443b2f9c638c85a4786b4da025a512072a22be3486aed4035d297ec. 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 191,220:crates/oxy-strata/src/aws.rs.