ent).

The following example* shows a radio group using `aria-activedescendant` to indicate the active radio button, which is coded as a DOM descendant:

```
   <h3 id="group_label_1">Pizza Crust</h3>
   <ul id="rg1" class="radiogroup" role="radiogroup" aria-labelledby="group_label_1" aria-activedescendant="rb11" tabindex="0">
     <li id="rb11" role="radio" aria-checked="false">Regular crust</li>
     <li id="rb12" role="radio" aria-checked="false">Deep dish</li>
     <li id="rb13" role="radio" aria-checke