tring
      "<code title="U+002D HYPHEN-MINUS, U+003E GREATER-THAN SIGN">-&gt;</code>"</li>
      <li>
<a href="terminology.html#must-requirement" id="must-requirement_xref52">must</a>
      not contain the string
      "<code title="U+002D HYPHEN-MINUS, U+002D HYPHEN-MINUS">--</code>"</li>
      <li>
<a href="terminology.html#must-requirement" id="must-requirement_xref53">must</a>
      not end with a
      "<code title="U+002D HYPHEN-MINUS">-</code>" character</li>
    </ul>
<div class="example">
    <p>T