History of help_tests::walk 1 change

In src/cli/mod.rs, lines 1193–1210 on ce14f0d68b155ff7b6bfc4d9c7ed1d182a5ea88aad74e638abf33852904b3d04. 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.