code: @Override
  	public void setSubject(final String subject, final String charset) throws MessagingException
  	{
  		super.setSubject(subject, charset);
  	}
docs: Sets the subject.
  
  @param subject
  the subject
  @param charset
  the charset
  @throws MessagingException
  is thrown if the underlying implementation does not support modification of
  existing values
  
  @see javax.mail.internet.MimeMessage#setSubject(java.lang.String, java.lang.String)