t / t4018 / perl-skip-end-of-heredocon commit files-backend: use `die("BUG: ...")`, not `die("internal error: ...")` (04aea8d)
   1sub RIGHTwithheredocument {
   2        print <<"EOF"
   3decoy here-doc
   4EOF
   5        # some lines of context
   6        # to pad it out
   7        print "ChangeMe\n";
   8}