shiftjis, SJIS - A character encoding system (codeset) for Japanese
The Shift JIS (SJIS) codeset consists of the following character sets:
+ JIS X0201
+ JIS X0208
+ User-Defined Characters (UDC)
Shift JIS Encoding
Shift JIS character codes use a combination of single-byte data and 2-byte
data to represent characters defined in the JIS X0201 and JIS X0208 stan-
dards and in the UDC area.
All JIS X0201 characters are represented in the form of single-byte data.
The Roman letters in JIS X0201 are encoded by setting the most significant
bit (MSB) of each byte to off, while the Katakana characters are encoded by
setting the most significant bit (MSB) of each byte to on. For more infor-
mation on JIS X0201 characters, refer to deckanji(5). In the Super DEC
Kanji codeset, the code ranges for JIS X0201 characters are as follows:
+ For Roman letters, 00 to 7F
+ For Katakana characters, A1 to DF
JIS X0208 characters are encoded in 2-byte values. The values for the
first bytes are encoded so that they fall outside the range of byte values
for JIS X0201 characters (in other words, the JIS X0208 first byte ranges
are from 81 to 9F and from E0 to FC). In this manner, characters from the
two different standards can be supported by the same codeset. The range for
the second byte of a JIS X0208 character is 40 to FC (except for 7F). For
more information on JIS X0208 characters, refer to deckanji(5).
The Shift JIS codeset provides for 2444 UDC characters. These are encoded
as 2-byte values whose code range is F040 to FCFC.
Font Support for Super DEC Kanji
For display devices, the operating system supports Super DEC Kanji encoding
by conversion to DEC Kanji encoding and then using fonts available for DEC
Kanji. Refer to the iconv_intro(5) reference page for information on
For printers, the operating system supports only printer-resident fonts;
therefore, Super DEC Kanji fonts cannot be dynamically loaded to a printer.
For general information on printing non-English text, refer to
Others: ascii(5), deckanji(5), eucJP(5), i18n_intro(5), i18n_printing(5),
iconv_intro(5), iso2022jp(5), Japanese(5), jiskanji(5), l10n_intro(5),