History of when 2 changes

In src/cli/format.rs, lines 20–41 on 236f35c0baba91063400fb690083c90cd205cad77987bd3fa53379952431421a. 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 20,41:src/cli/format.rs.