<li><p>Release the <a href=#storage-mutex>storage mutex</a>.</li>
<li>
<p>Set the attribute's value to <var title="">new value</var>.</p>
<a href=#browsing-context>browsing context</a> of the <var title="">specified
entry</var>.</li>
<li><p>If the <code>Document</code> of the <var title="">specified
entry</var> of the <var title="">specified browsing context</var>
is not the same as the <code>Document</code> of the <a href=#current-entry>current
entry</a> of the <var title="">specified browsing context</var>,
then release the <a href=#storage-mutex>storage mutex</a>.</li>
<li><p><a href=#traverse-the-history>Traverse the history</a> of the <var title="">specified browsing context</var> to the <var title="">specified entry</var>.</p>
</ol><p>When the user navigates through a <a href=#browsing-context>browsing context</a>,