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The Unicode names of braille dot patterns are not the same as what many English speakers would use colloquially. In particular, Unicode names use the word dots in the plural even when only one dot is listed: thus Unicode says braille pattern dots-5 when most English-speaking users of braille would simply say "braille dot 5" or just "dot 5".
In contrast, a character entity reference refers to a character by the name of an entity which has the desired character as its replacement text. The entity must either be predefined (built into the markup language) or explicitly declared in a Document Type Definition (DTD). The format is the same as for any entity reference: &name;
Braille assignments have also been created for mathematical and musical notation. However, because the six-dot braille cell allows only 64 (2 6) patterns, including space, the characters of a braille script commonly have multiple values, depending on their context. That is, character mapping between print and braille is not one-to-one.
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 accent mark ⠈ (printed hereinafter with the character @) shows that there is a diacritic on the following letter, as in se@nor señor, fa@cade façade, caf@e café, na@ive naïve, and @angstr@om ångström. In normal braille text, noting the precise diacritic is not important, as it can be easily understood from context, or simply ignored.
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-3 ( ⠄) is a 6-dot braille cell with the bottom left dot raised, or an 8-dot braille cell with the middle-bottom left dot raised. It is represented by the Unicode code point U+2804, and in Braille ASCII with an apostrophe.
The Braille pattern dots-14 ( ⠉) is a 6-dot or 8-dot braille cell with the two top dots raised. It is represented by the Unicode code point U+2809, and in Braille ASCII with "C". Character information