History of help_tests::walk 1 change

In src/cli/mod.rs, lines 1178–1195 on 3d7120efe04a01af36050193cedae1e21359375635e20b5f348974f387a16312. 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 1178,1195:src/cli/mod.rs.