t / chainlint / blank-line.teston commit prune: check SEEN flag for reachability (c2bf473)
   1(
   2
   3        nothing &&
   4
   5        something
   6# LINT: swallow blank lines since final _statement_ before subshell end is
   7# LINT: significant to "&&"-check, not final _line_ (which might be blank)
   8
   9
  10)