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KSC and UHC

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KS C 5601-1987

A 94x94 character set for Korean, aka. Wansung Wansung.  KS stands for Korean Standard.  Microsoft uses KS C 5601-1987 in the sense of  Unified Hangul Code.

KS C 5601-1987 has the following encoding forms:

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EUC-KR

Extended Unix Code for Korean.  An 8-bit encoding form, the default encoding of  KS C 5601-1987.

Byte-ranges for

     single-byte ASCII:  0x21-0x7E
     double-byte KSC:    0xA1-0xFE

Test your browser by selecting Korean in View : Character Coding, or View : Encoding.  The text in the right column should match the GIF in the left column.  Click here if it does not.

GIF Text
hangul ѱ
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ISO-2022-KR

A 7-bit encoding form of  KSC used in email.  It uses the same bytes (0x21-0x7E) to encode single-byte ASCII and double-byte KSC characters.

An ISO-2022-KR encoded plain text file or the body of an ISO-2022-KR encoded email message must begin with the following escape sequence:

<Esc>$)C

where <Esc> is the Escape byte (0x1B).

Bytes are interpreted as ASCII characters unless you "shift out" to KSC with the Shift-Out byte (0x0E).  You can return to ASCII with the Shift-In byte (0x0F).

If you are using Mozilla or Netscape 6 then you can decode the text in the right column below by selecting Korean (ISO-2022-KR) in View : Character Coding, or View : Encoding.  Click here if you cannot.

GIF Text
Hangul $)CGQ1[

Internet Explorer or Netscape Communicator can only display ISO-2022-KR encoded web pages if their encoding is specified in the META tagTry this page.

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Unified Hangul Code

UHC, or Extended Wansung, is a superset of  KS C 5601-1987, incorporating all the Hangul characters of Johab.  It has an 8-bit encoding form with the following byte-ranges:

     Single-byte ASCII:       0x21-0x7E
     UHC first byte range:    0x81-0xFE
     UHC second byte ranges:  0x41-0x5A, 0x61-0x7A, 0x81-0xFE
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© Gyula Zsigri, 2000-2002 [CJK]  [Home] Last updated:  June 18, 2002