title: Why TinyMCE's getContent() returns epmty string if content is several space/&nbsp;
body: <p>Why TinyMCE's getContent() returns empty string if content is several space?</p>
  
  <p>If my content contain only spaces, then getContent() method return empty string.</p>
  
  <p>I want count up chars in TinyMCE's body.</p>