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QR Kanji Mode Also Encodes Russian Cyrillic Letters, Study Finds

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QR Kanji mode, despite its name, can also represent the Russian alphabet. Its character set, based on the JIS X 0208 standard within the Shift JIS range, includes all 33 Russian letters in both uppercase and lowercase. This covers Ё/ё as well. Each of these letters requires 13 payload bits to encode. The findings highlight that the mode's scope extends beyond Japanese characters.

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