utf-8 or utf8 UTF-8 encoding (default)
iso-8859-1 or latin1 ISO-8859-1 Western European
iso-8859-2 or latin2 ISO-8859-2 Eastern European
iso-8859-5 or cyrillic Russian (Cyrillic)
iso-8859-7 or greek Greek
iso-8859-8 or hebrew Hebrew
euc-kr koreanese
shift_jis Japanese
gb2312 Simplified Chinese
big5 Traditional Chinese