History of help_tests::walk 1 change

In src/cli/mod.rs, lines 1193–1210 on 930e5f3f16823c4b878fd19597948548f9a8f9b6c75080b3524a08b900e01892. 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 1193,1210:src/cli/mod.rs.