<?xml version="1.0" encoding="utf-8"?>
<!-- CSSUnknownRule interface -->

  <interface name="CSSUnknownRule" inherits="CSSRule"
  id="CSS-CSSUnknownRule" since="DOM Level 2">
    <descr>
    <p>
      The <code>CSSUnknownRule</code> interface represents an at-rule not
      supported by this user agent.
    </p>
    </descr>

  </interface>