History of err 1 change

In src/cli/ui.rs, lines 187–189 on 9a8ede1e609fd5c2b073b2bfaf26b1c92c30c7b3f8b55c6c34f53f97c666ca60. 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 187,189:src/cli/ui.rs.