History of help_tests::walk 1 change

In src/cli/mod.rs, lines 1193–1210 on 519c7c061bcb7bc33441cc09f32403d048ed21bdf12f413d4c109b38e336853a. 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.