| When an optgroup element became 'enabled' or not-'enabled', distribution should happen. | |
| Since an optgroup element does not create a renderer, we cannot check this using reftest. | |
| PASS nodes1.length is 1 | |
| PASS nodes1.item(0).innerHTML is "optgroup 1" | |
| PASS nodes2.length is 1 | |
| PASS nodes2.item(0).innerHTML is "optgroup 4" | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |