High Surrogates
Note: Surrogate code points are intended to allow mapping of additional character planes into the 16-bit Unicode system, thus allowing more than 65,536 characters to be represented. The individual surrogate code points do not represent characters; they are intended to be used in pairs, a high code point followed by a low code point, to stand in for a character in one of the supplementary planes. Their use is restricted to UTF-16. They can be used for characters in ranges starting from U+10000 and higher.
55296 - D800 - � - <Unassigned High Surrogate, First>
56191 - DB7F - � - <Unassigned High Surrogate, Last>
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