The Unicode Standard assigns various properties to each Unicode character and code point.[1][2]
The properties can be used to handle characters (code points) in processes, like in line-breaking, script direction right-to-left or applying controls. Some "character properties" are also defined for code points that have no character assigned and code points that are labeled like "<not a character>". The character properties are described in Standard Annex #44.[2]
Properties have levels of forcefulness: normative, informative, contributory, or provisional. For simplicity of specification, a character property can be assigned by specifying a continuous range of code points that have the same property.[3]
^"Character Properties" (PDF). The Unicode Standard Version 15. Mountain View, CA: The Unicode Consortium. September 2022. ISBN 978-1-936213-32-0. Retrieved 2022-09-16.
^ ab"Unicode Standard Annex #44: Unicode Character Database". Unicode. 2017-06-14.
^"Unicode Standard Annex #44: Unicode Character Database, 4.2.3 Code Point Ranges". Unicode. 2022-09-02.
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