History of help_tests::walk 1 change

In src/cli/mod.rs, lines 1290–1307 on 77445673174be3dcd5b8e13a15d5402d2bb828e549e183533f8eb36cf8d931b4. 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.