Merge pull request #2216 from w3c/monorepo_history--html-aam-pr516

[html-aam PR 516] UA ignore aria-hidden on root elements

html-aam/index.html

@@ -1147,7 +1147,7 @@ <h4 id="el-body">`body`</h4>
             <!-- <th><a href="#accessible-name-and-description-computation">Naming Algorithm</a></th> -->
             <tr>
               <th>Comments</th>
-              <td></td>
+              <td>User agents MUST ignore the `aria-hidden` attribute if specified on the `body` element.</td>
             </tr>
           </tbody>
         </table>
@@ -2925,7 +2925,7 @@ <h4 id="el-html">`html`</h4>
             <!-- <th><a href="#accessible-name-and-description-computation">Naming Algorithm</a></th> -->
             <tr>
               <th>Comments</th>
-              <td></td>
+              <td>User agents MUST ignore the `aria-hidden` attribute if specified on the `html` element.</td>
             </tr>
           </tbody>
         </table>
@@ -16513,6 +16513,7 @@ <h3>Change Log</h3>
         <section>
           <h4>Substantive changes since moving to the <a href="https://www.w3.org/WAI/ARIA/">Accessible Rich Internet Applications Working Group</a> (03-Nov-2019)</h4>
           <ul>
+            <li>11-July-2024: User Agents ignore `aria-hidden=true` on `body` and `html` elements. See <a href="https://github.com/w3c/html-aam/pull/516">GitHub PR 516</a>.</li>
             <li>06-June-2024: Add concept of Minimum Role. See <a href="https://github.com/w3c/html-aam/pull/454">GitHub PR 454</a>.</li>
             <li>06-June-2024: Add `popover`, `popovertarget` and `popovertargetaction` mappings. See <a href="https://github.com/w3c/html-aam/pull/481">GitHub PR 481</a>.</li>
             <li>09-Oct-2023: Acknowledge use of `hr` element within `select` element. See <a href="https://github.com/w3c/html-aam/pull/504">GitHub PR 504</a>.</li>