History of obj 1 change

In src/cli/json.rs, lines 7–10 on e071e91a14ef9104476bc11f314d5fb63c5619d018f715748694e70972b5b57b. 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 7,10:src/cli/json.rs.