Halfwidth and Fullwidth Forms (Unicode block): Difference between revisions

Revision as of 19:44, 30 September 2020

Revision as of 20:02, 1 February 2021

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|1_0_1 = 7

|3_2 = 2

|note = <ref>{{cite web|url=https://www.unicode.org/versions/Unicode1.0.0/Notice.pdf|title=Unicode 1.0.1 Addendum|work=The Unicode Standard|date=1992-11-03|access-date=2016-07-09|url-status=live|archive-url=https://web.archive.org/web/20160702004420/http://www.unicode.org/versions/Unicode1.0.0/Notice.pdf|archive-date=2016-07-02|df=}}</ref><ref>{{cite web|url=https://www.unicode.org|title=Unicode character database|work=The Unicode Standard|access-date=2016-07-09|url-status=live|archive-url=https://web.archive.org/web/20160710080729/http://www.unicode.org/|archive-date=2016-07-10|df=}}</ref><ref>{{cite web|url=https://www.unicode.org/versions/enumeratedversions.html|title=Enumerated Versions of The Unicode Standard|work=The Unicode Standard|access-date=2016-07-09|url-status=live|archive-url=https://web.archive.org/web/20160629001311/http://www.unicode.org/versions/enumeratedversions.html|archive-date=2016-06-29|df=}}</ref>

}}

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Range U+FF65&ndash;FF9F encodes halfwidth forms of [[katakana]] in a transposition of their [[JIS X 0201]] layout – see [[half-width kana]].

The range U+FFA0&ndash;FFDC encodes halfwidth forms of [[Hangul Compatibility Jamo|compatibility jamo]] characters for [[Hangul]], in a transposition of their [[KS C 5601#1974|1974 standard]] layout. It is used in the mapping of some IBM encodings for Korean, such as IBM code page 933, which allows the use of the [[Shift Out and Shift In characters]] to shift to a double-byte character set.<ref name="ibm933">{{cite web|url=http://demo.icu-project.org/icu-bin/convexp?conv=ibm-933|title=ICU Demonstration - Converter Explorer|author=|date=|website=demo.icu-project.org|accessdateaccess-date=7 May 2018}}</ref> Since the double-byte character set could contain compatibility jamo, halfwidth variants are needed to provide round-trip compatibility.<ref name=hwfwblame>https://harjit.moe/hwfwblame.html</ref><ref>http://userguide.icu-project.org/conversion/data</ref>

Range U+FFE0&ndash;FFEE includes fullwidth and halfwidth symbols.

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| || {{nobr|[https://www.unicode.org/wg2/docs/n4403.pdf N4403 (pdf],}} [https://www.unicode.org/wg2/docs/n4403.doc doc]) || {{Citation|title=Unconfirmed minutes of WG 2 meeting 61, Holiday Inn, Vilnius, Lithuania; 2013-06-10/14|date=2014-01-28|first=V. S.|last=Umamaheswaran|section=Resolution M61.01}}

|-

| {{nobr|[https://www.unicode.org/L2/L2017/17056-sv-western-vs-eastasian.pdf L2/17-056]}} || || {{Citation|title=Proposal to add standardized variation sequences|date=2017-02-13|first=Ken|last=Lunde|authorlinkauthor-link=Ken Lunde}}

|-

| {{nobr|[https://www.unicode.org/L2/L2017/17436r-sv-eastsian-punct.pdf L2/17-436]}} || || {{Citation|title=Proposal to add standardized variation sequences for fullwidth East Asian punctuation|date=2018-01-21|first=Ken|last=Lunde}}