History of opt 1 change

In src/cli/json.rs, lines 17–22 on 98a16830a3d3fd27a7f8c2a9065f83a2d0b8fe7a780d4e11ec9a30ae19924ee9. 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 17,22:src/cli/json.rs.