replacement fix for #23257 without old history

assets/js/src/application.js

@@ -96,15 +96,10 @@
         .tooltip('_fixTitle')
     })
 
+    anchors.options = {
+      icon: '#'
+    }
+    anchors.add('.bd-content > h2, .bd-content > h3, .bd-content > h4, .bd-content > h5')
+    $('.bd-content > h2, .bd-content > h3, .bd-content > h4, .bd-content > h5').wrapInner('<span></span>')
   })
-
 }(jQuery))
-
-;(function () {
-  'use strict'
-
-  anchors.options = {
-    icon: '#'
-  }
-  anchors.add('.bd-content > h2, .bd-content > h3, .bd-content > h4, .bd-content > h5')
-}())

assets/scss/_content.scss

@@ -11,9 +11,14 @@
   > h2[id],
   > h3[id],
   > h4[id] {
+    pointer-events: none;
+
+    > span,
+    > a {
+      pointer-events: auto;
+    }
+
     &::before {
-      position: relative;
-      z-index: -1;
       display: block;
       height: 6rem;
       margin-top: -6rem;