History of when 2 changes

In src/cli/format.rs, lines 20–41 on aded4110f0bd8b60dee14d0a67a7a16193e58ca1e124670960cf2b5f3d4989b3. 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.