History of api 2 changes

In src/cli/human.rs, lines 21–23 on f7986cb07b0e98e0e89e6be3b97676c9f2d5e1848745bc862913d0d4587c9ba0. 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 21,23:src/cli/human.rs.