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VSCII (Vietnamese Standard Code for Information Interchange), also known as TCVN 5712, [2] ISO-IR-180, [3].VN, [4] ABC [4] or simply the TCVN encodings, [4] [5] is a set of three closely related Vietnamese national standard character encodings for using the Vietnamese language with computers, developed by the TCVN Technical Committee on Information Technology (TCVN/TC1) and first adopted in ...
Windows-1258 is a code page used in Microsoft Windows to represent Vietnamese texts. It makes use of combining diacritical marks.. Windows-1258 is compatible with neither the Vietnamese standard (TCVN 5712 / VSCII), nor the various other encodings in use in practice (VISCII, VNI, VPS).
The Telex input method is based on a set of rules for transmitting accented Vietnamese text over telex (máy điện tín) first used in Vietnam during the 1920s and 1930s. Telex services at the time ran over infrastructure that was designed overseas to handle only a basic Latin alphabet , so a message reading " vỡ đê " ("the dam broke ...
Symbol Set 6N — ISO 8859-10 Latin 6; Symbol Set 6S — ISO 85: 7-bit Spanish; Symbol Set 7H — ISO 8859-8 Latin/Hebrew; Symbol Set 9E — Windows 3.1 Latin 2 (Practically the same as code page 1250) Symbol Set 9G — Windows 98 Greek (Practically the same as code page 1253) Symbol Set 9J — PC 1004; Symbol Set 9L — Ventura ITC Zapf Dingbats
[6] [7] Historically, the Vietnamese language used other characters beyond the modern alphabet. The Middle Vietnamese letter B with flourish (ꞗ) is included in the Latin Extended-D block. The apex is not separately encoded in Unicode, because it derives from the Portuguese tilde , whereas dấu ngã , which derives from the Greek perispomeni ...
Windows code pages are sets of characters or code pages (known as character encodings in other operating systems) used in Microsoft Windows from the 1980s and 1990s. Windows code pages were gradually superseded when Unicode was implemented in Windows, [citation needed] although they are still supported both within Windows and other platforms, and still apply when Alt code shortcuts are used.
VISCII was designed by the Vietnamese Standardization Working Group (Viet-Std Group) [1] led by Christopher Cuong T. Nguyen, Cuong M. Bui, and Hoc D. Ngo based in Silicon Valley, California in 1992 while they were working with the Unicode consortium to include pre-composed Vietnamese characters in the Unicode standard.
Because 8b/10b encoding uses 10-bit symbols to encode 8-bit words, some of the possible 1024 (10 bit, 2 10) symbols can be excluded to grant a run-length limit of 5 consecutive equal bits and to ensure the difference between the count of zeros and ones to be no more than two. Some of the 256 possible 8-bit words can be encoded in two different ...