ptgroup" class="optgroup" title="Optgroup" lang="en" xml:lang="en" dir="ltr" label="optgroup">
	    <option id="option" class="option" title="Option" lang="en" xml:lang="en" dir="ltr" value="Opt1">Option 1</option>
	    <option value="Opt2">Option 2</option>
	  </optgroup>
	  <optgroup disabled="disabled" label="disabled_optgroup">
	    <option value="Opt3">Option 3 (disabled)</option>
	    <option value="Opt4">Option 4 (disabled)</option>
	  </optgroup>
	  <option value="Opt5">Option 5</option>
	  <option 