Propagate custom perform the fetch steps through LoadRequestedModules

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@@ -93457,10 +93457,12 @@ document.querySelector("button").addEventListener("click", bound);
     </ol>
    </li>
 
-   <li>
-    <p>Let <var>state</var> be Record { [[ParseError]]: null, [[Destination]]:
-    <var>destination</var> }.</p>
-   </li>
+   <li><p>Let <var>state</var> be Record { [[ParseError]]: null, [[Destination]]:
+   <var>destination</var>, [[PerformTheFetch]]: null }.</p></li>
+
+   <li><p>If the caller of this algorithm specified custom <span
+   data-x="fetching-scripts-perform-fetch">perform the fetch</span> steps, set
+   <var>state</var>.[[PerformTheFetch]] to such steps.</p></li>
 
    <li>
     <p>Let <var>loading promise</var> be <var>record</var>.<span
@@ -93663,7 +93665,9 @@ document.querySelector("button").addEventListener("click", bound);
    <li><p><span>Fetch a single module script</span> given <var>url</var>, <var>settings
    object</var>, <var>destination</var>, <var>options</var>, <var>settings object</var>,
    <var>referrer</var>, <var>moduleRequest</var>, with the <var>top-level module fetch flag</var>
-   unset, and with <var>onComplete</var>.</p></li>
+   unset, and with <var>onComplete</var>. If the caller of this algorithm specified custom <span
+   data-x="fetching-scripts-perform-fetch">perform the fetch</span> steps, pass those along as
+   well.</p></li>
   </ol>
 
   <h5 id="creating-scripts">Creating scripts</h5>
@@ -95098,7 +95102,7 @@ import "https://example.com/foo/../module2.mjs";</code></pre>
    <li><p>Let <var>destination</var> be "script".</p></li>
 
    <li><p>If <var>loadState</var> is not undefined, set <var>destination</var> to
-   <var>loadState.[[Destination]]</var>.</p></li>
+   <var>loadState</var>.[[Destination]].</p></li>
 
    <li>
     <p><span>Fetch a single imported module script</span> given <var>settings object</var>,
@@ -95133,6 +95137,11 @@ import "https://example.com/foo/../module2.mjs";</code></pre>
      <li><p>Perform <span>FinishLoadImportedModule</span>(<var>referrer</var>,
      <var>moduleRequest</var>, <var>payload</var>, <var>completion</var>).</p></li>
     </ol>
+
+    <p>If <var>loadState</var> is not undefined and <var>loadState</var>.[[PerformTheFetch]] is not
+    null, pass <var>loadState</var>.[[PerformTheFetch]] as <span>fetch a single imported module
+    script</span>'s custom <span data-x="fetching-scripts-perform-fetch">perform the fetch</span>
+    steps.</p>
    </li>
   </ol>