Meta: export rendering opportunity

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@@ -99548,7 +99548,7 @@ import "https://example.com/foo/../module2.mjs";</code></pre>
       objects whose <span data-x="node navigable">node navigables</span> do not have a
       <span>rendering opportunity</span>.</p>
 
-      <p>A <span>navigable</span> has a <dfn>rendering opportunity</dfn> if the user agent is
+      <p>A <span>navigable</span> has a <dfn export>rendering opportunity</dfn> if the user agent is
       currently able to present the contents of the <span>navigable</span> to the user, accounting
       for hardware refresh rate constraints and user agent throttling for performance reasons, but
       considering content presentable even if it's outside the viewport.</p>