Common
Unicode equivalence
Aspect of the Unicode standard
Unicode equivalence
Unicode equivalence is the specification by the Unicode character encoding standard that some sequences of code points represent essentially the same character. The feature was introduced in the standard to allow compatibility with pre-existing standard character sets, which often included similar or identical characters. Unicode provides two such notions, canonical equivalence and compatibility. Code point sequences that are defined as canonically equivalent are assumed to have the same appearance and meaning when printed or displayed. For example, the code point U+006E n LATIN SMALL LETTER N followed by U+0303 ◌̃ COMBINING TILDE is defined by Unicode to be canonically equivalent to the single code point U+00F1 ñ LATIN SMALL LETTER N WITH TILDE. Therefore, those sequences should be displayed in the same manner, should be treated in the same way by applications such as alphabetizing names or searching, and may be substituted for each other. Similarly, each Hangul syllable block that is...
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