Enclosed CJK Letters and Months is a

Unicode block A Unicode block is one of several contiguous ranges of numeric character codes ( code points) of the Unicode character set that are defined by the Unicode Consortium for administrative and documentation purposes. Typically, proposals such as the ...

containing circled and parenthesized

Katakana is a Japanese syllabary, one component of the Japanese writing system along with hiragana, kanji and in some cases the Latin script (known as rōmaji). The word ''katakana'' means "fragmentary kana", as the katakana characters are derived f ...

Hangul The Korean alphabet, known as Hangul, . Hangul may also be written as following South Korea's standard Romanization. ( ) in South Korea and Chosŏn'gŭl in North Korea, is the modern official writing system for the Korean language. The le ...

, and CJK ideographs. Also included in the block are miscellaneous glyphs that would more likely fit in

CJK Compatibility CJK Compatibility is a Unicode block containing square symbols (both CJK and Latin alphanumeric) encoded for compatibility with East Asian character sets. In Unicode 1.0, it was divided into two blocks, named CJK Squared Words (U+3300–U+337F) ...

Enclosed Alphanumerics Enclosed Alphanumerics is a Unicode block of typographical symbols of an alphanumeric within a circle, a bracket or other not-closed enclosure, or ending in a full stop. It is currently fully allocated. Within the Basic Multilingual Plane, ...

: a few unit abbreviations, circled numbers from 21 to 50, and circled multiples of 10 from 10 to 80 enclosed in black squares (representing

speed limit Speed limits on road traffic, as used in most countries, set the legal maximum speed at which vehicles may travel on a given stretch of road. Speed limits are generally indicated on a traffic sign reflecting the maximum permitted speed - expre ...

signs). Its block name in Unicode 1.0 was Enclosed CJK Letters and Ideographs. As part of the process of unification with

ISO 10646 ISO is the most common abbreviation for the International Organization for Standardization. ISO or Iso may also refer to: Business and finance * Iso (supermarket), a chain of Danish supermarkets incorporated into the SuperBest chain in 2007 * Iso ...

for version 1.1, Unicode version 1.0.1 relocated the Japanese Industrial Standard Symbol from the code point U+32FF at the end of the block to U+3004, and re-arranged the encircled katakana letters (U+32D0–U+32FE) from

iroha The is a Japanese poem. Originally the poem was attributed to the founder of the Shingon Esoteric sect of Buddhism in Japan, Kūkai, but more modern research has found the date of composition to be later in the Heian period (794–1179). Th ...

order to

gojūon In the Japanese language, the is a traditional system ordering kana characters by their component phonemes, roughly analogous to alphabetical order. The "fifty" (''gojū'') in its name refers to the 5×10 grid in which the characters are disp ...

order. The

Reiwa is the current Japanese era name, era of Japan's official calendar. It began on 1 May 2019, the day on which Emperor Akihito's elder son, Naruhito, Enthronement of the Japanese emperor, ascended the throne as the 126th Emperor of Japan. The ...

symbol (㋿) was added to Enclosed CJK Letters and Months in Unicode 12.1, continuing from the existing era symbols in the (fully allocated by that point)

block ( Meiji ㍾, Taishō ㍽, Shōwa ㍼,

Heisei The is the period of Japanese history corresponding to the reign of Emperor Emeritus Akihito from 8 January 1989 until his abdication on 30 April 2019. The Heisei era started on 8 January 1989, the day after the death of the Emperor Hirohito, ...

㍻).

Block

Emoji

The Enclosed CJK Letters and Months block contains two emoji: U+3297 and U+3299. The block has four standardized variants defined to specify emoji-style (U+FE0F VS16) or text presentation (U+FE0E VS15) for the two emoji, both of which default to a text presentation.

History

*U+32FF JAPANESE INDUSTRIAL STANDARD SYMBOL (〄) was moved to U+3004 in Unicode version 1.0.1, to make Unicode a subset of ISO 10646.https://www.unicode.org/versions/Unicode1.0.0/Notice.pdf U+32FF was defined as SQUARE ERA NAME REIWA (㋿) with the release of Unicode 12.1. The following Unicode-related documents record the purpose and process of defining specific characters in the Enclosed CJK Letters and Months block:

References

{{CJK ideographs in Unicode CJK Letters and Months

Block

Emoji

History

See also

References