[3] [DFN[ISO/IEC 646]] は、[[7ビット]]の[[文字コード]]の[[国際標準]]でした。

* 仕様書

[REFS[
- [4] [CITE[Standard ECMA-6]], [TIME[2020-01-24T08:38:32.000Z]], [TIME[2020-10-07T08:10:31.624Z]] <https://www.ecma-international.org/publications/standards/Ecma-006.htm>
-- [11] -
-- [12] -
-- [13] -
-- [14] [CITE[ECMA-6, 4th Edition, August 1973.pdf]], [TIME[2014-10-28T07:19:23.000Z]], [TIME[2020-10-07T08:11:19.129Z]] <https://www.ecma-international.org/publications/files/ECMA-ST-WITHDRAWN/ECMA-6,%204th%20Edition,%20August%201973.pdf>
-- [15] [CITE[ECMA-6, 5th Edition, March 1985.pdf]], [TIME[2014-10-28T07:19:48.000Z]], [TIME[2020-10-07T08:11:30.716Z]] <https://www.ecma-international.org/publications/files/ECMA-ST-WITHDRAWN/ECMA-6,%205th%20Edition,%20March%201985.pdf>
-- [16] 
[[Standard ECMA-6]]
[CITE[7-Bit coded Character Set]], 
6[SUP[th]] Edition - December 1991,
Reprinted in electronic form in August 1997,
[TIME[2017-06-15T13:13:29.000Z]], [TIME[2020-12-04T08:36:24.470Z]] <http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-006.pdf>
- [5] [DFN[T.50]]
-- [6] [CITE@en[T.50 : International Alphabet No. 5]], [[tsbmail]], [TIME[2020-12-05T07:40:55.000Z]] <https://www.itu.int/rec/T-REC-T.50-198811-S/en>
-- [7] [CITE@en[T.50 : International Reference Alphabet (IRA) (Formerly International Alphabet No. 5 or IA5) - Information technology - 7-bit coded character set for information interchange]], [[tsbmail]], [TIME[2020-12-05T07:41:29.000Z]] <https://www.itu.int/rec/T-REC-T.50-199209-I/en>
- [21] [CITE[002.pdf]], [TIME[2022-11-02T03:16:04.000Z]], [TIME[2022-12-10T03:31:25.940Z]] <https://itscj.ipsj.or.jp/ir/002.pdf>

]REFS]

* 文字集合

** [[IRV]]

[10] 
[DFN[IRV]]
は、
[[ISO/IEC 646の版]]の1つです。

[17] [[ASCII]] と同じです。

[18] [[文字集合]]としては [CODE[U+0021]] - [CODE[U+007E]] と同じです。

[19] [[ISO/IEC 4873]] の最新版は [[IRV]]
と同じものを定義しています。

[20] [[旧IRV]]とは少し違います。


** [[旧IRV]]

[22] [[ISO-IR]] 2 [SRC[>>21]]

[23] >>22 [N[7/14]] は[[字形]]が明らかに[[上線]]で、名前は「[L[Overline]]」。

[31] [DFN[KOI-7 N0]] ([[KOI-7]] の一種)

@@

** 版

[SEE[ [[ISO/IEC 646の版]] ]]

* メモ

- [28] 第1版
--[25] [CITE[ISO 646:1973 - ISO 646:1973 - ISO-646-1973.pdf]], [TIME[2022-06-07T12:31:14.000Z]], [TIME[2022-12-13T14:01:32.895Z]] <https://cdn.standards.iteh.ai/samples/2823/380b0375541d4a87baaaf782673762b1/ISO-646-1973.pdf>
(途中まで)
--
[26] [CITE[ISO 646:1973 - ISO 646:1973 - ISO-646-1973.pdf]], [TIME[2022-06-07T12:31:22.000Z]], [TIME[2022-12-13T14:01:47.519Z]] <https://cdn.standards.iteh.ai/samples/2823/4b579d6eb0ce44b4a51484e493d4860a/ISO-646-1973.pdf>
(途中まで)
-[29] 第2版
--[24] [CITE[ISO-646-1983.pdf]], [TIME[2021-01-25T09:53:14.000Z]], [TIME[2022-12-13T13:59:46.260Z]] <https://cdn.standards.iteh.ai/samples/4776/14c91501e9c848d390e6bb8eb002d1dd/ISO-646-1983.pdf>
(途中まで)
-[30] 第3版
--[27] [CITE[ISO-IEC-646-1991.pdf]], [TIME[2021-01-25T09:53:11.000Z]], [TIME[2022-12-13T14:05:08.744Z]] <https://cdn.standards.iteh.ai/samples/4777/106685b56f43484bbb2164c9ac8c502f/ISO-IEC-646-1991.pdf>
(途中まで)

[1] [[RFC 5024]] は、[[ISO 646]] の[[部分集合]]として、
[CODE(charname)@en[[[SPACE]]]],
[CODE(char)[[[&]]]],
[CODE(char)[[[(]]]],
[CODE(char)[[[)]]]],
[CODE(char)[[[-]]]],
[CODE(char)[[[.]]]],
[CODE(char)[[[/]]]],
[CODE(char)[[[0]]]]~[CODE(char)[[[9]]]],
[CODE(char)[[[A]]]]~[CODE(char)[[[Z]]]]
が含まれる[[符号化文字集合]]を示しています。

[REFS[
- [2] [CITE@en[RFC 5024 - ODETTE File Transfer Protocol 2.0]] ([TIME[2015-05-10 19:17:50 +09:00]] 版) <https://tools.ietf.org/html/rfc5024#appendix-B>
]REFS]

[8] [CITE@en[RFC 2204 - ODETTE File Transfer Protocol]], [TIME[2021-03-21T07:20:42.000Z]], [TIME[2021-03-23T12:08:27.744Z]] <https://tools.ietf.org/html/rfc2204#appendix-B>


[32] 
[DFN[IS 10315:1982]]
は[[印度]]版。