code: public void setEthnologue(String ethnologue) {
      if(ethnologue != null) {
        ethnologue = ethnologue.trim();
      }
      this.ethnologue = ethnologue;
    }
docs: Set link to Ethnologue containing information on the detected language.
  <p/>
  For more information on Ethnologue: @see <a href="http://www.ethnologue.com/info.asp">http://www.ethnologue.com/info.asp</a>
  
  @param ethnologue link to Ethnologue containing information on the detected language