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Unicode has subscripted and superscripted versions of a number of characters including a full set of Arabic numerals. These characters allow any polynomial, chemical and certain other equations to be represented in plain text without using any form of markup like HTML or TeX.
As of Unicode version 15.0, Cyrillic script is encoded across several blocks:
Phonetic Extensions is a Unicode block containing phonetic characters used in the Uralic Phonetic Alphabet, Old Irish phonetic notation, the Oxford English dictionary and American dictionaries, and Americanist and Russianist phonetic notations. Its character set is continued in the following Unicode block, Phonetic Extensions Supplement.
GNU FreeFont is a family of free OpenType, TrueType and WOFF vector fonts, implementing as much of the Universal Character Set (UCS) as possible, aside from the very large CJK Asian character set. The project was initiated in 2002 by Primož Peterlin and is now maintained by Steve White.
In the Unicode standard, a plane is a continuous group of 65,536 (216) code points. There are 17 planes, identified by the numbers 0 to 16, which corresponds with the possible values 00–1016 of the first two positions in six position hexadecimal format (U+hhhhhh). Plane 0 is the Basic Multilingual Plane (BMP), which contains most commonly used characters. The higher planes 1 through 16 are called "supplementary planes". The last code point in Unicode is the last code point in plane 16, U+10FFFF. As of Unicode version 15.0, five of the planes have assigned code points (characters), and seven are named.
Latin Extended-B is the fourth block (0180-024F) of the Unicode Standard. It has been included since version 1.0, where it was only allocated to the code points 0180-01FF and contained 113 characters. During unification with ISO 10646 for version 1.1, the block range was extended by 80 code points and another 35 characters were assigned. In version 3.0 and later, the last 60 available code points in the block were assigned. Its block name in Unicode 1.0 was Extended Latin.
Cyrillic Extended-A is a Unicode block containing combining Cyrillic letters used in Old Church Slavonic texts.
Cyrillic Supplement is a Unicode block containing Cyrillic letters for writing several minority languages, including Abkhaz, Kurdish, Komi, Mordvin, Aleut, Azerbaijani, and Jakovlev's Chuvash orthography.
Cyrillic is a Unicode block containing the characters used to write the most widely used languages with a Cyrillic orthography. The core of the block is based on the ISO 8859-5 standard, with additions for minority languages and historic orthographies.
Hangul Jamo is a Unicode block containing positional forms of the Hangul consonant and vowel clusters. While the Hangul Syllables Unicode block contains precomposed syllables used in standard modern Korean, the Hangul Jamo block can be used to compose arbitrary syllables dynamically including those not included in the Hangul Syllables block.
Hangul Jamo Extended-B is a Unicode block containing positional forms of archaic Hangul vowel and consonant clusters. They can be used to dynamically compose syllables that are not available as precomposed Hangul syllables in Unicode, specifically syllables that are not used in standard modern Korean.
Hiragana is a Unicode block containing hiragana characters for the Japanese language.
Katakana is a Unicode block containing katakana characters for the Japanese and Ainu languages.
Kana Supplement is a Unicode block containing one archaic katakana character and 255 hentaigana characters. Additional hentaigana characters are encoded in the Kana Extended-A block.
Cyrillic Extended-C is a Unicode block containing Cyrillic characters for facsimile reprinting Old Believer service books. They are (contextual) graphic variants of standard Cyrillic rather than distinct letters.
Kana Extended-A is a Unicode block containing hentaigana and historic kana characters. Additional hentaigana characters are encoded in the Kana Supplement block.
Small Kana Extension is a Unicode block containing additional small variants for the Hiragana and Katakana syllabaries, in addition to those in the Hiragana, Katakana and Katakana Phonetic Extensions blocks.
Kana Extended-B is a Unicode block containing kana originally created by Japanese linguists to write Taiwanese Hokkien known as Taiwanese kana.
Cyrillic Extended-D is a Unicode block containing superscript and subscript Cyrillic characters used in Cyrillic-based phonetic transcription. The block contains the first Cyrillic characters defined outside of the Basic Multilingual Plane (BMP).
References
- ↑ "Unicode character database". The Unicode Standard. Retrieved 2023-07-26.
- ↑ "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2023-07-26.