<!DOCTYPE html>
<link rel="stylesheet" href="test-common.css">
<style type="text/css">
  @counter-style a {
    system: extends upper-alpha;
    fallback: decimal-leading-zero;
    fallback: decimal cjk-decimal;
    fallback: "*";
  }
</style>
<ol start="0" style="list-style-type: a">
  <li><li><li><li><li>
</ol>