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Why should a program not replace NFC with NFKC everywhere?
from Unicode text
Node 24
intermediate
3 min
Why should a program not replace NFC with NFKC everywhere?
NFKC adds compatibility mappings that can merge distinctions such as circled and plain digits.
NFKC cannot process non-ASCII text.
NFKC always produces invalid UTF-16.
NFC and NFKC are guaranteed to produce identical output.
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