History of to_hex 1 change

In src/cli/approve.rs, lines 37–39 on e4595038502a2a70b39cedbd575a9282e6ee2a50bc147b094f8f35d8519fa6d6. 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 37,39:src/cli/approve.rs.