that location in some mappings for CCCII. Character set 0x212B (plane 1, row 11: punctuation) This row contains various punctuation marks used in Chinese, in addition to other symbols. CCCII includes a set of 35 punctuation marks in this row. EACC includes only 13 characters in this row (shown boxed below). Character sets 0x212C–0x212E (plane 1, rows 12–14: radicals and ordinals) These rows contain Chinese radicals, Roman numerals, celestial stems and terrestrial branches. Character set 0x212F (plane 1, row 15: Chinese numerals and bopomofo) This row includes Chinese numerals and bopomofo characters. EACC includes only the ideographic zero (〇). Character set 0x272B (plane 7, row 11: reference mark) This row contains the reference mark (kome jirushi). Character set 0x272E–0x272F (plane 7, rows 14–15: alternative bopomofo) A variant used by libraries in Hong Kong does not include bopomofo characters in plane 1 row 15, but includes them in a different layout in plane 7. Character set 0x6921 (plane 73, row 1: Japanese punctuation) This row is in plane 73, the first plane of layer 13, which contains characters included for Japanese language support. It contains punctuation. Compare row 1 of JIS X 0208, which this row tends to follow the layout of for the characters it includes. Character set 0x6924 (plane 73, row 4: hiragana) This row contains hiragana. Compare row 4 of JIS X 0208. Character set 0x6925 (plane 73, row 5: katakana) This row contains katakana. Compare row 5 of JIS X 0208, which this row corresponds to, besides the addition of the separate dakuten and handakuten. Character set 0x6F24–0x6F25 (plane 79, rows 4–5: jamo) These rows contains Korean jamo. Character set 0x6F76 (plane 79, row 86: archaic Hangul) This row contains several historic Hangul characters no longer in regular use. Several of these are mapped to the Private Use Area. Character set 0x7B25 (plane 91, row 5: supplementary Katakana) This row contains additional katakana used to write foreign phonemes. Footnotes References Some information on this page is based on the information on the CNS official website. External links CNS 11643 official web site (English version of pages available) has information about the CCCII character set in the "Chinese Information Code" section Full mapping of EACC to Unicode, from Library of Congress Character encoding Encodings of Asian languages Chinese-language computing