
CCS Standards
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143
Special Unicode handling of 25 JIS X 0213:2004 charactersTable 3-73.
Character Row-Cell Unicode sequence
11-36 <6, 3>
11-4 <254, 3>
11-41 <254, 31>
11-42 <28, 3>
11-43 <28, 31>
11-44 <259, 3>
11-45 <259, 31>
11-46 <25, 3>
11-47 <25, 31>
11-69 <29, 25>
11-7 <25, 29>
In addition, 303 kanji in JIS X 0213:2004 are mapped to CJK Unied Ideographs Exten-
sion B, which necessitates beyond-BMP support. JIS X 0213:2000 had only 302 kanji that
mapped beyond the BMP, and one of the 10 kanji added during the 2004 revision eec-
tively became the 303rd kanji to map beyond the BMP.
Also of signicance is that 82 kanji of JIS X 0213:2004 map to Unicode’s CJK Compat-
ibility Ideographs block in the BMP.
Korean Character Set Standards
Korean character set standards have been developed by South Korea, North Korea,
and China, and some of them demonstrate some very unique attributes, such as the
following:
Contain thousands of hangul syllables•
Hanja (ideographs) with multiple readings are encoded more than once•
In essence, hangul are treated as though they were ideographs as far as character-
allocation is concerned. is is quite natural, because hangul play an important role in the
Korean writing system.
KS X 1001:2004
e most commonly used Korean character set standard, spe