History of help_tests::walk 1 change

In src/cli/mod.rs, lines 1374–1391 on bf3a67819b59931bd91f38620a3f3fc26febe7af53c32ec2b1dfb03d19e67984. 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 1374,1391:src/cli/mod.rs.