[css-pseudo-4] Add ::marker to CSSPseudoElement. #3763

Author: fantasai

css-pseudo-4/Overview.bs

@@ -852,10 +852,12 @@ Interface CSSPseudoElement</h3>
   This can be one of the following values:
 
   <dl>
-    <dt>‘::before’
-    <dd>The pseudo-element was created before the element's contents.
-    <dt>‘::after’
-    <dd>The pseudo-element was created after the element's contents.
+    <dt><code>"::before"</code>
+    <dd>Represents the ''::before'' pseudo-element.
+    <dt><code>"::after"</code>
+    <dd>Represents the ''::after'' pseudo-element.
+    <dt><code>"::marker"</code>
+    <dd>Represents the ''::marker'' pseudo-element.
   </dl>
 
   The <dfn attribute for=CSSPseudoElement>element</dfn> attribute is the
@@ -905,6 +907,12 @@ Compatibilitiy Syntax</h2>
 <h2 class="no-num" id="changes">
 Changes</h2>
 
+  Changes since the <a href="https://www.w3.org/TR/2019/WD-css-pseudo-4-20190225/">25 February 2019 Working Draft</a> include:
+
+  <ul>
+    <li>Added ''::marker'' to types allowed for {{CSSPseudoElement}} interface.
+  </ul>
+
   Changes since the <a href="https://www.w3.org/TR/2016/WD-css-pseudo-4-20160607/">7 June 2016 Working Draft</a> include:
 
   <ul>