Address domenic review

source

@@ -90009,16 +90009,20 @@ dictionary <dfn>PromiseRejectionEventInit</dfn> : <span>EventInit</span> {
   <span data-x="JobCallback Record">JobCallback Records</span> which encapsulate JavaScript
   functions that are called as part of jobs. The JavaScript specification contains a number of
   <span>implementation-defined</span> abstract operations that lets the host define how jobs are
-  scheduled and how JobCallbacks are handled. This section defines them for user agent hosts.</p>
+  scheduled and how JobCallbacks are handled. HTML uses these abstract operations to <span
+  id="incumbent-settings-object-tracking-in-promises">track the <span>incumbent settings
+  object</span> in promises and <code>FinalizationRegistry</code> callbacks</span> by saving and
+  restoring the <span>incumbent settings object</span> and a <span>JavaScript execution
+  context</span> for the <span>active script</span> in JobCallbacks. This section defines them for
+  user agent hosts.</p>
 
   <h6 id="hostcalljobcallback"><dfn>HostCallJobCallback</dfn>(<var>callback</var>, <var>V</var>,
   <var>argumentsList</var>)</h6>
 
   <p>JavaScript contains an <span>implementation-defined</span> <span
   data-x="js-HostCallJobCallback">HostCallJobCallback</span>(<var>callback</var>, <var>V</var>,
   <var>argumentsList</var>) abstract operation to let hosts restore state when invoking JavaScript
-  callbacks from inside tasks. HTML restores the <span>incumbent settings object</span> and the
-  <span>active script</span>. User agents must use the following implementation: <ref
+  callbacks from inside tasks. User agents must use the following implementation: <ref
   spec=JAVASCRIPT></p>
 
   <ol>
@@ -90072,8 +90076,7 @@ dictionary <dfn>PromiseRejectionEventInit</dfn> : <span>EventInit</span> {
   are well-known cases in popular web browsers where objects are not accessible to JavaScript, but
   they remain retained by the garbage collector indefinitely. HTML clears kept-alive
   <code>WeakRef</code> objects in the <span>perform a microtask checkpoint</span> algorithm. Authors
-  <!--non-normative-->should not depend on the timing details of garbage collection
-  implementations.</p>
+  would be best off not depending on the timing details of garbage collection implementations.</p>
 
   <p>Cleanup actions do not take place interspersed with synchronous JavaScript execution, but
   rather happen in queued <span data-x="concept-task">tasks</span>. User agents must use the
@@ -90197,11 +90200,7 @@ dictionary <dfn>PromiseRejectionEventInit</dfn> : <span>EventInit</span> {
   <p>JavaScript contains an <span>implementation-defined</span> <span
   data-x="js-HostMakeJobCallback">HostMakeJobCallback</span>(<var>callable</var>) abstract operation
   to let hosts attach state to JavaScript callbacks that are called from inside <span
-  data-x="concept-task">task</span>s. HTML <span
-  id="incumbent-settings-object-tracking-in-promises">tracks the <span>incumbent settings
-  object</span> in promises and <code>FinalizationRegistry</code> callbacks</span> by saving the
-  <span>incumbent settings object</span> and a <span>JavaScript execution context</span> for the
-  <span>active script</span>. User agents must use the following implementation: <ref
+  data-x="concept-task">task</span>s. User agents must use the following implementation: <ref
   spec=JAVASCRIPT></p>
 
   <ol>