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

Revision as of 12:23, 9 December 2019

Revision as of 08:35, 10 December 2019

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Range U+FF65–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|accessdate=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=UF00_hwfwblamehwfwblame>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.