t / chainlint / blank-line.teston commit match-trees: use hashcpy to splice trees (f55ac43)
   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)