adding TODO note for select's picker

html-aam/index.html

@@ -6415,6 +6415,15 @@ <h4 id="el-select-combobox">`select`<span class="el-context"> (with NO `multiple
               <td>
                 <p>User agents MUST treat a `button` that is a child element of a `select` element as one item  in the accessibility tree.</p>
                 <p>See also <a href="#el-button-select-child">`button` element as a child of a `select` element.</p>
+
+                <div class=note>
+                  TODO:
+                  <p>handling the role of the picker popup based on if it contains invalid descendents or not</p>
+                  <p>the role of the picker should also be contingent on whether invalid elements have accessible objects that exist outside/as siblings to option elements or not.
+                    If an invalid element merely encapsulates the allowed children of a select, then that invalid element should instead be treated as if it had a generic/none role,
+                    rather than modifying the role of the picker.
+                  </p>
+                </div>
               </td>
             </tr>
           </tbody>