unicode_security:unicode_identifier_status/2

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Predicate unicode_identifier_status/2

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ext
- utf8proc

unicode_identifier_status(+Code:integer, -Status:atom) is semidet: Succeeds, unifying Status with allowed, when Code is listed in UTS #39 IdentifierStatus.txt with status Allowed. Fails otherwise — per UTS #39 every code point not listed there is Restricted by default; rather than return restricted for everything else, this predicate simply fails.