<!DOCTYPE html>
<link rel="stylesheet" href="test-common.css">
<style type="text/css">
  @counter-style a {
    system: extends decimal;
    pad: 3 "0";
    pad: -1 "X";
    pad: "#";
    pad: 2 0;
  }
</style>
<ol style="list-style-type: a">
  <li><li><li><li><li>
</ol>