code: protected String encodeLdap() {
  		StringBuffer buff = new StringBuffer(key.length() + value.length() * 2);
  
  		buff.append(key);
  		buff.append('=');
  		buff.append(LdapEncoder.nameEncode(value));
  
  		return buff.toString();
  	}
docs: Encode key and value to ldap.
  
  @return Properly ldap escaped rdn.