title: Minlength in Textarea not working
body: <p>How to set <code>minlength = 2</code> for <code>Textarea</code>. I tried in my code but it doesn't seem to be working. I am getting an error as unknown attribute. Is there any way to set minlength of textarea as "2" ? Thanks in advance. 
  I even tried <code>pattern = {2,}</code> but it didn't work. </p>
  
  <pre><code>&lt;textarea name="Remarks" onchange="CheckValidChars(this);" onblur="CheckValidChars(this);" onkeypress="return isValidChars(event);" id="Remarks" maxlength="700" minlength = "2" required cols="100" rows="6" ng-model="vm.EditRef_OCBUI.Remarks"&gt;&lt;/textarea&gt;
  </code></pre>