History of err 1 change

In src/cli/ui.rs, lines 49–51 on 132b884b9a8d9894c9ad7624370a26285446f9d49dbfc762e1ef16e0a2e88133. 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 49,51:src/cli/ui.rs.