History of help_tests::walk 1 change

In src/cli/mod.rs, lines 1290–1307 on 98a1620a3840a7dc026e58ba7014a13ce09a7b370b85845b00d72f5f369ebef0. 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 1290,1307:src/cli/mod.rs.