| Value |
Display Name |
Interpretation |
Comment |
Usage Note |
Modification Date |
Active |
| ASCII |
The printable 7-bit ASCII character set. |
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(This is the default if this field is omitted) |
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Jul 13 2015 |
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| 8859/1 |
The printable characters from the ISO 8859/1 Character set |
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Jul 13 2015 |
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| 8859/2 |
The printable characters from the ISO 8859/2 Character set |
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Jul 13 2015 |
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| 8859/3 |
The printable characters from the ISO 8859/3 Character set |
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Jul 13 2015 |
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| 8859/4 |
The printable characters from the ISO 8859/4 Character set |
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Jul 13 2015 |
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| 8859/5 |
The printable characters from the ISO 8859/5 Character set |
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Jul 13 2015 |
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| 8859/6 |
The printable characters from the ISO 8859/6 Character set |
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Jul 13 2015 |
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| 8859/7 |
The printable characters from the ISO 8859/7 Character set |
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Jul 13 2015 |
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| 8859/8 |
The printable characters from the ISO 8859/8 Character set |
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Jul 13 2015 |
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| 8859/9 |
The printable characters from the ISO 8859/9 Character set |
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Jul 13 2015 |
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| 8859/15 |
The printable characters from the ISO 8859/15 (Latin-15) |
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Jul 13 2015 |
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| ISO IR6 |
ASCII graphic character set consisting of 94 characters. |
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http://www.itscj.ipsj.or.jp/ISO-IR/006.pdf |
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Jul 13 2015 |
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| ISO IR14 |
Code for Information Exchange (one byte)(JIS X 0201-1976). |
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Note that the code contains a space, i.e., "ISO IR14". |
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Jul 13 2015 |
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| ISO IR87 |
Code for the Japanese Graphic Character set for information interchange (JIS X 0208-1990), |
|
Note that the code contains a space, i.e., ISO IR87.
The JIS X 0208 needs an escape sequence. In Japan, the escape technique is ISO 2022. From basic ASCII, escape sequence escape $ B (in HEX, 1B 24 42) lets the parser know that following bytes should be handled 2-byte wise. Back to ASCII is 1B 28 42. |
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Jul 13 2015 |
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| ISO IR159 |
Code of the supplementary Japanese Graphic Character set for information interchange (JIS X 0212-1990). |
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Note that the code contains a space, i.e., "ISO IR159". |
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Jul 13 2015 |
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| GB 18030-2000 |
Code for Chinese Character Set (GB 18030-2000) |
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Does not need an escape sequence. |
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Jul 13 2015 |
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| KS X 1001 |
Code for Korean Character Set (KS X 1001) |
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Jul 13 2015 |
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| CNS 11643-1992 |
Code for Taiwanese Character Set (CNS 11643-1992) |
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Does not need an escape sequence. |
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Jul 13 2015 |
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| BIG-5 |
Code for Taiwanese Character Set (BIG-5) |
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Does not need an escape sequence.
BIG-5 does not need an escape sequence. ASCII is a 7 bit character set, which means that the top bit of the byte is 0. The parser knows that when the top bit of the byte is 0, the character set is ASCII. When it is 1, the following bytes should be handled as 2 bytes (or more). No escape technique is needed. However, since some servers do not correctly interpret when they receive a top bit 1, it is advised, in internet RFC, to not use these kind of non-safe non-escape extension. |
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Jul 13 2015 |
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| UNICODE |
The world wide character standard from ISO/IEC 10646-1-1993 |
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Deprecated. Retained for backward compatibility only as v 2.5. Replaced by specific Unicode encoding codes. |
Available from The Unicode Consortium, P.O. Box 700519, San Jose, CA 95170-0519. See http://www.unicode.org/unicode/consortium/consort.html |
Jul 13 2015 |
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| UNICODE UTF-8 |
UCS Transformation Format, 8-bit form |
|
UTF-8 is a variable-length encoding, each code value is represented by 1,2 or 3 bytes, depending on the code value. 7 bit ASCII is a proper subset of UTF-8. Note that the code contains a space before UTF but not before and after the hyphen. Since UTF-8 represents the full UNICODE character set, the following restriction apply to its use:
1. UTF-8 must be the default encoding of the message, UTF-8 cannot be specified as an additional character set in MSH-18
2. There are no other character sets allowed in a message where UTF-8 is the default encoding in the message.
In other words, UNICODE UTF-8 can only be specified as a single value in MSH-18
3. A message encoded in UTF-8 must not use a Byte Order Mark (BOM). |
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Jul 13 2015 |
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| UNICODE UTF-16 |
UCS Transformation Format, 16-bit form |
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UTF-16 is identical to ISO/IEC 10646 UCS-2. Note that the code contains a space before UTF but not before and after the hyphen. |
Aug 10 2023 |
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| UNICODE UTF-32 |
UCS Transformation Format, 32-bit form |
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UTF-32 is defined by Unicode Technical Report #19, and is an officially recognized encoding as of Unicode Version 3.1. UTF-32 is a proper subset of ISO/IEC 10646 UCS-4. Note that the code contains a space before UTF but not before and after the hyphen. |
Aug 10 2023 |
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