| Interface | Description | 
|---|---|
| CodeCharset | Interface to convert UTF-16 to 8-bit-codings. | 
| Class | Description | 
|---|---|
| ASCII7bit | |
| ISO8859_1 | Classes to convert UTF-16 to 8-bit-codings. | 
| ISO8859_2 | Character set of middle european characters
 See http://www.gymel.com/charsets/ISO8859-2.html
 See https://www.unicode.org/Public/UCD/latest/ucd/UnicodeData.txt
 It is todo. |