History of to_hex 1 change

In src/cli/approve.rs, lines 37–39 on b63fc7a77fc6e79d1acf216a9a0bc47bfeccd51b96e9a0337d16dec00bfeb4a7. 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.