test/stderr/0472

   1 ------- userz filter -----------------
   2 sn0=10 sn1=99 sn2=2 sn3=3 sn4=4
   3 sn5=5 sn6=6 sn7=7 sn8=8 sn9=9
   4 ------- userz99 filter -----------------
   5 sn0=10 sn1=99 sn2=2 sn3=3 sn4=4
   6 sn5=5 sn6=6 sn7=7 sn8=8 sn9=9
   7 ------- userz filter -----------------
   8 sn0=10 sn1=99 sn2=2 sn3=3 sn4=4
   9 sn5=5 sn6=6 sn7=7 sn8=8 sn9=9
  10 ------- userz99 filter -----------------
  11 sn0=10 sn1=99 sn2=2 sn3=3 sn4=4
  12 sn5=5 sn6=6 sn7=7 sn8=8 sn9=9