Editorial: Fix some typos, mostly markup

source

@@ -52687,7 +52687,7 @@ You cannot submit this form when the field is incorrect.</samp></pre>
 
    <li><p>If <span>this</span> is a <code>select</code> element, and <span>this</span> is not
    <span>being rendered</span>, then throw a <span>"<code>NotSupportedError</code>"</span>
-   <code>DOMException</code>.<p></li>
+   <code>DOMException</code>.</p></li>
 
    <li><p><span>Show the picker, if applicable</span>, for <span>this</span>.</p></li>
   </ol>
@@ -59276,7 +59276,7 @@ interface <dfn interface>ValidityState</dfn> {
   <p>The <dfn attribute
   for="HTMLObjectElement,HTMLInputElement,HTMLButtonElement,HTMLSelectElement,HTMLTextAreaElement,HTMLOutputElement,HTMLFieldSetElement"><code
   data-x="dom-cva-validationMessage">validationMessage</code></dfn> attribute's getter must run
-  these steps:<p>
+  these steps:</p>
 
   <ol>
    <li><p>If this element is not a <span>candidate for constraint validation</span> or if this
@@ -61522,7 +61522,7 @@ interface <dfn interface>HTMLDialogElement</dfn> : <span>HTMLElement</span> {
    data-x="dom-dialog-returnValue">returnValue</code> attribute to <var>result</var>.</p></li>
 
    <li>
-    <p>If <var>subject</var>'s <span>previously focused element</span> is not null, then:<p>
+    <p>If <var>subject</var>'s <span>previously focused element</span> is not null, then:</p>
 
     <ol>
      <li><p>Let <var>element</var> be <var>subject</var>'s <span>previously focused
@@ -78728,10 +78728,10 @@ interface <dfn interface>VisibilityStateEntry</dfn> : <span>PerformanceEntry</sp
    blocked until the very first user activation.</p></dd>
 
    <dt><dfn export data-x="transient activation gated api" data-lt="transient activation-gated
-   API">Transient activation-gated APIs</dfn><dt> <dd><p>These APIs require the <span>transient
-   activation</span> state to be true, but they don't <span data-x="consume user
-   activation">consume</span> it, so multiple calls are allowed per user activation until the
-   transient state <span data-x="activation-expiry">expires</span>.</p></dd>
+   API">Transient activation-gated APIs</dfn></dt>
+   <dd><p>These APIs require the <span>transient activation</span> state to be true, but they don't
+   <span data-x="consume user activation">consume</span> it, so multiple calls are allowed per user
+   activation until the transient state <span data-x="activation-expiry">expires</span>.</p></dd>
 
    <dt><dfn export data-x="activation consuming api" data-lt="transient activation-consuming API">Transient activation-consuming APIs</dfn></dt>
    <dd><p>These APIs require the <span>transient activation</span> state to be true, and they
@@ -86479,7 +86479,7 @@ dictionary <dfn dictionary>DragEventInit</dfn> : <span>MouseEventInit</span> {
     combination of setting both `<code data-x=""><span>Cross-Origin-Opener-Policy</span>: <span
     data-x="coop-same-origin">same-origin</span></code>` and a
     `<code>Cross-Origin-Embedder-Policy</code>` header whose value is <span>compatible with
-    cross-origin isolation</span> together.<p>
+    cross-origin isolation</span> together.</p>
    </dd>
   </dl>
 
@@ -97144,7 +97144,7 @@ interface <dfn interface>NotRestoredReasons</dfn> {
   <p class="note">It is <em>not</em> required to be a <span>top-level traversable</span>.</p>
 
   <p>The <dfn data-x="bc-tlbc">top-level browsing context</dfn> of a <span>browsing context</span>
-  <var>start</var> is the result of the following algorithm:<p>
+  <var>start</var> is the result of the following algorithm:</p>
 
   <ol>
    <li><p>If <var>start</var>'s <span>active document</span> is not <span>fully active</span>, then
@@ -105145,7 +105145,7 @@ new PaymentRequest(&hellip;); // Allowed to use
 
     <li><p>A <code>Window</code> object and a service worker it created.</p></li>
 
-    <li><p>A <code>Window</code> object <var></var> and the <code>Window</code> object of an
+    <li><p>A <code>Window</code> object <var>A</var> and the <code>Window</code> object of an
     <code>iframe</code> element that <var>A</var> created that cannot be <span>same
     origin-domain</span> with <var>A</var>.</p></li>
 
@@ -109758,7 +109758,7 @@ import "https://example.com/foo/../module2.mjs";</code></pre>
 
     <ol>
      <li><p>Set this <span>event loop</span>'s <span>last idle period start time</span> to the
-     <span>unsafe shared current time</span>.<p></li>
+     <span>unsafe shared current time</span>.</p></li>
 
      <li>
       <p>Let <var>computeDeadline</var> be the following steps:</p>
@@ -121381,7 +121381,7 @@ dictionary <dfn dictionary>StorageEventInit</dfn> : <span>EventInit</span> {
    unnecessary and has no effect of any kind. For such void elements, it should be used only with
    caution — especially since, if directly preceded by an <a href="#unquoted">unquoted attribute
    value</a>, it becomes part of the attribute value rather than being discarded by the
-   parser.</li>.
+   parser.</li>
 
    <li>Finally, start tags must be closed by a U+003E GREATER-THAN SIGN character (&gt;).</li>
   </ol>
@@ -125558,7 +125558,7 @@ dictionary <dfn dictionary>StorageEventInit</dfn> : <span>EventInit</span> {
 
   <h5><dfn>Markup declaration open state</dfn></h5>
 
-  <p>If the next few characters are:<p>
+  <p>If the next few characters are:</p>
 
   <dl class="switch">