History of obj 1 change

In src/cli/json.rs, lines 7–10 on 77df591d5a2f981d0fff2d857c47f775cc5c408cb6f873ca52d9ae07c6d03b1f. 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.