History of help_tests::walk 1 change

In src/cli/mod.rs, lines 1292–1309 on 6cc9dea930926bb477848915865715c55078d07ead743f60d54de321a275c31f. 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 1292,1309:src/cli/mod.rs.