code: private static String getResourceSuffix(Locale locale)
      {
  
          String suffix = "_" + locale.getLanguage();
          String country = locale.getCountry();
  
          if (country.equals("TW"))
              suffix += "_" + country;
  
          return suffix;
      }
docs: Return the resource file suffic for the indicated locale
  For most locales, this will be based the language code.  However
  for Chinese, we do distinguish between Taiwan and PRC
  
  @param locale the locale
  @return an String suffix which can be appended to a resource name
  @xsl.usage internal