History of err 1 change

In src/cli/ui.rs, lines 174–176 on 192b06f8c6d08f8262d1f550300caeb08718a479c604d2fcae14427a7841c58f. 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 174,176:src/cli/ui.rs.