History of help_tests::walk 1 change

In src/cli/mod.rs, lines 1193–1210 on 01a47cd7f0c8deefd0326b8e498cf2c2ad6422e2dd7da1d139a73c27fe968ef9. 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.