t / chainlint / pipe.teston commit match-trees: use hashcpy to splice trees (f55ac43)
   1(
   2# LINT: no "&&" needed on line ending with "|"
   3        foo |
   4        bar |
   5        baz &&
   6
   7# LINT: final line of pipe sequence ('cow') lacking "&&"
   8        fish |
   9        cow
  10
  11        sunder
  12)