History of help_tests::walk 1 change

In src/cli/mod.rs, lines 1193–1210 on 2517abe64654dbbf11a0ea52b9ca2d53cbc000c398326655704b0d70d0aae84a. 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.