  type="text" 
        role="textbox" 
        aria-label="control 12" 
        value="Hello World" 
        aria-multiline="hello"/> <br>
<br>

<h1 class="multiline"> Test 13 </h1>
Regular edit with aria-multiline="undefined", with role="textbox"<br>
<b> Interpretation: </b> multiline edit <br> 
<INPUT  type="text" 
        role="textbox" 
        aria-label="control 13" 
        value="Hello World" 
        aria-multiline="undefined"/> <br>
<br>

<h1 class="singleline"> Test 14 </h1>
Textarea with aria-mu