s of one of the following three formats:</p>
    <ul>
<li><a href="syntax.html#normal-doctype" id="normal-doctype_xref1">normal doctype</a></li>
      <li><a href="syntax.html#deprecated-doctype" id="deprecated-doctype_xref1">deprecated doctype</a></li>
      <li><a href="syntax.html#legacy-tool-compatible-doctype" id="legacy-tool-compatible-doctype_xref1">legacy-tool-compatible doctype</a></li>
    </ul>
<p>A
    <dfn id="normal-doctype">normal doctype</dfn>
    consists of the following parts, in exactly 