  aria-multiline="undefined"/> <br>
<br>

<h1 class="singleline"> Test 11 </h1>
Content editable div with aria-multiline="", with role="textbox"<br>
<b> Interpretation: </b> single line edit <br> 
<div  contenteditable="true"
      role="textbox"  
      aria-multiline="" 
      aria-label="control 11">
Text inside content editable div   
</div>   

<h1 class="multiline"> Test 12 </h1>
Regular edit with aria-multiline="hello", with role="textbox"<br>
<b> Interpretation: </b> multiline line edit <br> 
<INPUT