s="notes">
<dt>Returns:</dt>
<dd>a <code>String</code> specifying extra path information that comes after the servlet path but before the
 query string in the request URL; or <code>null</code> if the URL does not have any extra path information. The path
 will be canonicalized as per <a href="https://jakarta.ee/specifications/servlet/6.0/jakarta-servlet-spec-6.0.html#request-uri-path-processing">Servlet
 6.0, 3.5</a>. This method will not return any encoded characters unless the container is configured spec