code point

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See also: codepoint

English

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Noun

code point (plural code points)

  1. (computing, especially Unicode) A numerical offset in a character set, etc., as opposed to a displayed grapheme or character, which can be composed of several code points.
    Synonym: (ISO) code position
    In UTF-8, the number of bytes used to write a character to a file depends on the Unicode code point.
    • 2009, Jan Goyvaerts, Steven Levithan, Regular Expressions Cookbook, O'Reilly, →ISBN, page 45:
      A code point is one entry in the Unicode character database. A code point is not the same as a character, depending on the meaning you give to “character.” What appears as a character on screen is called a grapheme in Unicode.
    • 2020, Randall Hyde, Write Great Code, 2nd edition, volume 1, No Starch Press, →ISBN, page 102:
      Today, Unicode defines 1,112,064 code points, far exceeding the 2-byte capacity originally set aside for Unicode characters. A Unicode code point is simply an integer value that Unicode associates with a particular character symbol; you can think of it as the Unicode equivalent of the ASCII code for a character.

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References

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