t / t4018 / perl-skip-end-of-heredocon commit am: add t4255 for submodule updates (23e2f38)
   1sub RIGHTwithheredocument {
   2        print <<"EOF"
   3decoy here-doc
   4EOF
   5        # some lines of context
   6        # to pad it out
   7        print "ChangeMe\n";
   8}