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ISO/IEC 10646

Information technology — Universal coded character set (UCS)

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Organization: ISO
Publication Date: 1 December 2020
Status: active
Page Count: 2,814
ICS Code (Coding of character sets): 35.040.10
scope:

This document

- specifies the architecture of the UCS;

- defines terms used for the UCS;

- describes the general structure of the UCS codespace;

- specifies the assigned planes of the UCS: the Basic Multilingual Plane (BMP) of the UCS, the Supplementary Multilingual Plane (SMP), the Supplementary Ideographic Plane (SIP), the Tertiary Ideographic Plane (TIP), and the Supplementary Special-purpose Plane (SSP);

- defines a set of graphic characters used in scripts and the written form of languages on a world-wide scale;

- specifies the names for the graphic characters and format characters of the BMP, SMP, SIP, TIP, SSP and their coded representations within the UCS codespace;

- specifies the coded representations for control characters and private use characters;

- specifies three encoding forms of the UCS: UTF-8, UTF-16, and UTF-32;

- specifies seven encoding schemes of the UCS: UTF-8, UTF-16, UTF-16BE, UTF-16LE, UTF-32, UTF-32BE, and UTF-32LE;

- specifies the management of future additions to this coded character set.

NOTE - The determination of suitability of these characters for use as identifiers in programming languages is not specified by this document but can be found in an external reference. See Annex U.

Document History

ISO/IEC 10646
December 1, 2020
Information technology — Universal coded character set (UCS)
This document — specifies the architecture of the UCS; — defines terms used for the UCS; — describes the general structure of the UCS codespace; — specifies the assigned planes of the UCS: the...
June 1, 2019
Information technology — Universal Coded Character Set (UCS) AMENDMENT 2: Nandinagari, Georgian extension, and other characters
A description is not available for this item.
January 1, 2019
Information technology - Universal Coded Character Set (UCS) AMENDMENT 1: Dogra, Gunjala Gondi, Makasar, Medefaidrin, Indic Siyaq Numbers and other characters
A description is not available for this item.
December 1, 2017
Information technology - Universal Coded Character Set (UCS)
This International Standard specifies the Universal Coded Character Set (UCS). It is applicable to the representation, transmission, interchange, processing, storage, input, and presentation of the...
May 1, 2016
Information technology - Universal Coded Character Set (UCS) AMENDMENT 2: Bhaiksuki, Marchen, Tangut and other characters
A description is not available for this item.
September 1, 2014
Information technology - Universal Coded Character Set (UCS)
A description is not available for this item.
April 15, 2013
Information technology - Universal Coded Character Set (UCS) - AMENDMENT 1: Linear A, Palmyrene, Manichaean, Khojki, Khudawadi, Bassa Vah, Duployan, and other characters
A description is not available for this item.
June 1, 2012
Information technology - Universal Coded Character Set (UCS)
A description is not available for this item.
March 15, 2011
Information technology - Universal Coded Character Set (UCS)
This International Standard specifies the Universal Coded Character Set (UCS). It is applicable to the representation, transmission, interchange, processing, storage, input and presentation of the...
July 15, 2010
Information technology - Universal Multiple-Octet Coded Character Set (UCS) - AMENDMENT 7: Mandaic, Batak, Brahmi, and other characters
A description is not available for this item.
July 1, 2008
Information technology - Universal Multiple-Octet Coded Character Set (UCS) AMENDMENT 4: Cham, Game Tiles, and other characters
A description is not available for this item.
February 15, 2008
Information technology - Universal Multiple-Octet Coded Character Set (UCS) - AMENDMENT 3: Lepcha, Ol Chiki, Saurashtra, Vai and other characters
A description is not available for this item.
July 1, 2006
Information technology - Universal Multiple-Octet Coded Character Set (UCS) AMENDMENT 2: N'Ko, Phags-pa, Phoenician and other characters
A description is not available for this item.
November 15, 2005
Information technology - Universal Multiple-Octet Coded Character Set (UCS) AMENDMENT 1: Glagolitic, Coptic, Georgian and other characters
ISO/IEC 10646 specifies the Universal Multiple-Octet Coded Character Set (UCS). It is applicable to the representation, transmission, interchange, processing, storage, input, and presentation of the...
December 15, 2003
Information Technology - Universal Multiple-Octet Coded Character Set (UCS)
A description is not available for this item.

References

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