t / chainlint / subshell-here-doc.expecton commit diff-delta: set size out-parameter to 0 for NULL delta (e4b3690)
   1(
   2        echo wobba             gorgo snoot             wafta snurb &&
   3?!AMP?! cat >bip
   4        echo >bop
   5>) &&
   6(
   7        cat >bup &&
   8        cat >bup2 &&
   9        cat >bup3 &&
  10        meep
  11>)