@@ -99000,6 +99000,10 @@ interface <dfn interface>History</dfn> {
9900099000 <li><p>If <var>document</var> is not <span>fully active</span>, then throw a
9900199001 <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
9900299002
99003+ <li><p>If <var>history</var>'s <span>relevant global object</span>'s <span
99004+ data-x="window-navigable">navigable</span> is not <span>allowed to perform a navigation or
99005+ history update</span>, then return.</p></li>
99006+
9900399007 <li><p>If <var>delta</var> is 0, then <span>reload</span> <var>document</var>'s <span>node
9900499008 navigable</span>, and return.</p></li>
9900599009
@@ -99037,10 +99041,9 @@ interface <dfn interface>History</dfn> {
9903799041 <li><p>If <var>document</var> is not <span>fully active</span>, then throw a
9903899042 <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
9903999043
99040- <li><p>Optionally, throw a <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.
99041- (For example, the user agent might disallow calls to these methods that are invoked on a timer,
99042- or from event listeners that are not triggered in response to a clear user action, or that are
99043- invoked in rapid succession.)</p></li>
99044+ <li><p>If <var>history</var>'s <span>relevant global object</span>'s <span
99045+ data-x="window-navigable">navigable</span> is not <span>allowed to perform a navigation or
99046+ history update</span>, then return.</p></li>
9904499047
9904599048 <li><p>Let <var>serializedData</var> be
9904699049 <span>StructuredSerializeForStorage</span>(<var>data</var>). Rethrow any exceptions.</p></li>
@@ -104282,6 +104285,11 @@ interface <dfn interface>NotRestoredReasons</dfn> {
104282104285
104283104286 <p class="note">This is only ever set to true in cases where the navigable's <span
104284104287 data-x="nav-parent">parent</span> is non-null.</p>
104288+ </li>
104289+
104290+ <li><p>An <dfn>allowed to perform a navigation or history update</dfn> algorithm, which
104291+ <span>implementation-defined</span>. It returns true if the operation is allowed to proceed, and
104292+ false otherwise.</p></li>
104285104293 </ul>
104286104294
104287104295 <p>The <span data-x="nav-current-history-entry">current session history entry</span> and the
@@ -107474,6 +107482,9 @@ location.href = '#foo';</code></pre>
107474107482 intersection-observing a lazy loading element</span> <var>container</var> and set
107475107483 <var>container</var>'s <span>lazy load resumption steps</span> to null.</p></li>
107476107484
107485+ <li><p>If <var>navigable</var> is not <span>allowed to perform a navigation or history
107486+ update</span>, then return.</p></li>
107487+
107477107488 <li id="navigate-convert-to-replace">
107478107489 <p>If <var>historyHandling</var> is "<code
107479107490 data-x="NavigationHistoryBehavior-auto">auto</code>":</p>
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