Update document in gh-pages branch to Level4

index.html

@@ -6,8 +6,8 @@
     <script class="remove">
         var respecConfig = {
             specStatus: "ED",
-            shortName: "pointerevents3",
-            subtitle: "Level 3",
+            shortName: "pointerevents4",
+            subtitle: "Level 4",
             edDraftURI: "https://w3c.github.io/pointerevents/",
             prevRecShortname: 'pointerevents',
             github: "https://github.com/w3c/pointerevents/",
@@ -68,9 +68,7 @@
     </section>
 
     <section id="sotd">
-        <p>This specification is an update to [[PointerEvents2]] which was shipped broadly by Google Chrome and Microsoft Edge and Mozilla Firefox.
-            Level 3 includes editorial clarifications and new features that facilitate more use cases, in an effort to enable wider developer and browser adoption.</p>
-        <p>This document is ready for wide review. Comments are welcome at any time but most especially before 12 June 2024.</p>
+        <p>This specification is an update to [[PointerEvents3]]. It includes editorial clarifications and new features that facilitate more use cases.</p>
     </section>
 
     <section id="intro" class="informative">