
Advice to Developers
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e most common and recommended CJKV character setsTable 3-107.
Locale Common character set Recommended character set
China GB 2312-80 GB 18030-2005
Singapore GB 2312-80 GB 2312-80
Taiwan Big Five or CNS 11643-2007 Planes 1 and 2
a
Additional planes of CNS 11643-2007
Hong Kong Hong Kong SCS-2008 same
Japan JIS X 0208:1997 JIS X 0213:2004
b
South Korea KS X 1001:2004 same
North Korea KPS 9566-97 same
Vietnam TCVN 5773:1993 and TCVN 6056:1995 same
Which one you choose depends on the underlying operating system.a.
Its denition includes all of the characters in JIS X 0208:1997, and is thus a superset thereof.b.
One should be aware that supporting CCSes for Chinese locales, meaning China, Taiwan,
and Hong Kong, can sometimes lead to confusion or unexpected complexities. Some
products attempt to support both major Chinese locales—China and Taiwan—in a single
product (such was the case with Apple’s Chinese Language Kit), but that is not an absolute
requirement. In fact, it is sometimes benecial to build separate products for each of these
Chinese locales, for political or other reasons.
Bear in mind that things change over time. What is current at the time of this writing
may be outdated ve years later. e footnotes that are scattered throughout this book are
references to resources that are likely to provide up-to-date information, such as new or
updated character ...