History of obj 1 change

In src/cli/json.rs, lines 7–10 on 01320eefd5059e082d02ad4c6530f4cb51e5a6cc014b2441aa73a8a3ec4daa1a. 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.