parts, in exactly the following order:</p>
    <ol>
<li>Any
      <a href="terminology.html#case-insensitive" id="case-insensitive_xref5">case-insensitive match</a>
      for the string
      "<code>&lt;!DOCTYPE</code>".</li>
      <li>One or more
      <a href="terminology.html#space" id="space_xref6">space characters</a>.</li>
      <li>Any
      <a href="terminology.html#case-insensitive" id="case-insensitive_xref6">case-insensitive match</a>
      for the string
      "<code>HTML</code>".</li>
      <li