U+12FFF: INVALID CHARACTER

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IndexU+12FFF (77823)
ClassUnassigned (Cn)
Java Escape"\ud80b\udfff"
Javascript Escape"\ud80b\udfff"
Python Escapeu'\U00012fff'
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URL Encodedq=%F0%92%BF%BF
UTF8f0 92 bf bf
UTF16d80b dfff