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Braille ASCII (or more formally The North American Braille ASCII Code, also known as SimBraille) is a subset of the ASCII character set which uses 64 of the printable ASCII characters to represent all possible dot combinations in six-dot braille. It was developed around 1969 and, despite originally being known as North American Braille ASCII ...
The same braille letter can be used to transcribe multiple scripts, e.g. Latin, Cyrillic, Greek and even elements of Chinese characters, as well as digits. Thus while U+2813 ⠓ BRAILLE PATTERN DOTS-125 transcribes the letter h of the Latin script, as well as the digit 8 , it transcribes ᄐ t- of Korean hangul and り ri of Japanese kana.
In all braille systems, the braille pattern dots-0 is used to represent a space or the lack of content. [1] In particular some fonts display the character as a fixed-width blank. However, the Unicode standard explicitly states that it does not act as a space, [ 2 ] a statement added in response to a comment that it should be treated as a space.
The Braille pattern dots-6 ( ⠠) is a 6-dot braille cell with the bottom right dot raised, or an 8-dot braille cell with the lower-middle right dot raised. It is represented by the Unicode code point U+2820, and in Braille ASCII with a comma:, .
The Braille pattern dots-12346 ( ⠯) is a 6-dot braille cell with both top, both bottom, and the middle left dots raised, or an 8-dot braille cell with both top, both lower-middle, and the upper-middle left dots raised.
However, an equals sign, a number 8, a capital letter B or a capital letter X are also used to indicate normal eyes, widened eyes, those with glasses or those with crinkled eyes, respectively. Symbols for the mouth vary, e.g. ")" for a smiley face or "(" for a sad face. One can also add a "}" after the mouth character to indicate a beard.
The Braille pattern dots-256 ( ⠲) is a 6-dot braille cell with both middle, and the bottom right dots raised, or an 8-dot braille cell with both upper-middle, and the lower-middle right dots raised. It is represented by the Unicode code point U+2832, and in Braille ASCII with the number 4.
The Braille pattern dots-345 ( ⠜) is a 6-dot braille cell with the top and middle right and bottom left dots raised, or an 8-dot braille cell with the top and upper-middle right, and lower-middle left dots raised. It is represented by the Unicode code point U+281c, and in Braille ASCII with the greater-than sign: >.