| <!-- |
| @UIA-WIN-ALLOW:Descr* |
| @BLINK-ALLOW:descr* |
| @WIN-ALLOW:descr* |
| --> |
| <!DOCTYPE html> |
| <html> |
| <style> |
| .hide { |
| visibility: hidden; |
| } |
| .visible { |
| visibility: visible; |
| } |
| </style> |
| <body> |
| <div> |
| <span class="hide" aria-label="span-A1"> |
| <span aria-label="span-A2" id="a2"></span> |
| <span class="visible" aria-label="span-A3" aria-describedby="a4"> |
| <span class="hide" aria-label="span-A4" id="a4"></span> |
| </span> |
| </span> |
| |
| <span aria-label="span-B" aria-describedby="a2"></span> |
| <span aria-label="span-C"></span> |
| </div> |
| </body> |
| </html> |
