History of help_tests::walk 1 change

In src/cli/mod.rs, lines 1351–1368 on 810691ca6ce6ac7f170478d8e5d1381d869823e2fbb5137f7e6377a421fa523e. 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 1351,1368:src/cli/mod.rs.