title: kdiff3 doen not show uft8
body: <p>I am using kdiff3 with TortoiseHg. 
  When merging file in utf-8 encoding, kdiff3 show all non-latin text like </p>
  
  <blockquote>
    <p>"СЃРєР»Р°Рґ".</p>
  </blockquote>
  
  <p>How I can fix this?</p>