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The term DBCS traditionally refers to a character encoding where each graphic character is encoded in two bytes.. In an 8-bit code, such as Big-5 or Shift JIS, a character from the DBCS is represented with a lead (first) byte with the most significant bit set (i.e., being greater than seven bits), and paired up with a single-byte character-set (SBCS).
Typeface Family Spacing Weights/Styles Target script Included from Can be installed on Example image Aharoni [6]: Sans Serif: Proportional: Bold: Hebrew: XP, Vista
It comprises single byte code page 1114 (CCSID 5210) and double byte code page 947 (CCSID 21427). [19] [20] [21] For better compatibility with Microsoft's variant in IBM Db2, IBM also define the pure double-byte code page 1372 [22] and the associated variable-width CCSID 1373, which corresponds to Microsoft's code page 950. [23]
Code page 950 is the code page used on Microsoft Windows for Traditional Chinese.It is Microsoft's implementation of the de facto standard Big5 character encoding. The code page is not registered with IANA, [1] and hence, it is not a standard to communicate information over the internet, although it is usually labelled simply as big5, including by Microsoft library functions.
Under double-byte character set Windows environments, specifying this font may also cause applications to use non-System fonts when displaying texts. In Windows 2000 or later, changing script setting in some application's font dialogue (e.g. Notepad, WordPad) causes the font to look completely different, even under same font size. Similarly ...
Shift JIS is an extension of the single-byte encoding JIS X 0201:1997, that uses unassigned code points in JIS X 0201 to encode the double-byte JIS X 0208:1997 character set. The lead bytes for the double-byte characters are "shifted" around the 64 halfwidth katakana characters in the single-byte range 0xA1 to 0xDF .
Microsoft's Shift JIS variant is known simply as "Code page 932" on Microsoft Windows, however this is ambiguous as IBM's code page 932, while also a Shift JIS variant, lacks the NEC and NEC-selected double-byte vendor extensions which are present in Microsoft's variant (although both include the IBM extensions) and preserves the 1978 ordering of JIS X 0208.
As these were typically encoded in a DBCS (double-byte character set), this also meant that their width on screen in a duospaced font was proportional to their byte length. Some terminals and editing programs could not deal with double-byte characters starting at odd columns, only even ones (some could not even put double-byte and single-byte ...