or (20.19.4, 20.19.5, 20.19.6), </ins>
     when execution of an element access function (25.2.1) of a parallel algorithm exits via an exception (25.2.4), or
    </p>
    <p>[…]</p>
    <p><em>— end note</em> ]</p>
   </blockquote>
   <p>Apply the following edits to section 20.19:</p>
   <blockquote>
    <p>20.19.4 Sequential execution policy [<strong>execpol.seq</strong>]</p>
<pre class="highlight"><c- k>class</c-> <c- nc>execution</c-><c- o>::</c-><c- n>sequenced_policy</c-> <c- p>{</c-> <c- n>unspeci