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While Hypertext Markup Language (HTML) has been in use since 1991, HTML 4.0 from December 1997 was the first standardized version where international characters were given reasonably complete treatment. When an HTML document includes special characters outside the range of seven-bit ASCII, two goals are worth considering: the information's integrity, and universal browser display.
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Mojibake is the garbled text that is the result of text being decoded using an unintended character encoding. The result is a systematic replacement of symbols with completely unrelated ones, often from a different writing system.
ISO/IEC 8859-2:1999, Information technology — 8-bit single-byte coded graphic character sets — Part 2: Latin alphabet No. 2, is part of the ISO/IEC 8859 series of ASCII-based standard character encodings, first edition published in 1987. It is informally referred to as "Latin-2". It is generally intended for Central or "Eastern European" languages that are written in the Latin script. Note that ISO/IEC 8859-2 is very different from code page 852 which is also referred to as "Latin-2" in Czech and Slovak regions. Code page 912 is an extension. Almost half the use of the encoding is for Polish, and it's the main legacy encoding for Polish, while virtually all use of it has been replaced by UTF-8.
ISO/IEC 8859-5:1999, Information technology — 8-bit single-byte coded graphic character sets — Part 5: Latin/Cyrillic alphabet, is part of the ISO/IEC 8859 series of ASCII-based standard character encodings, first edition published in 1988. It is informally referred to as Latin/Cyrillic. It was designed to cover languages using a Cyrillic alphabet such as Bulgarian, Belarusian, Russian, Serbian and Macedonian but was never widely used. It would also have been usable for Ukrainian in the Soviet Union from 1933 to 1990, but it is missing the Ukrainian letter ge, ґ, which is required in Ukrainian orthography before and since, and during that period outside Soviet Ukraine. As a result, IBM created Code page 1124.
ISO/IEC 8859-9:1999, Information technology — 8-bit single-byte coded graphic character sets — Part 9: Latin alphabet No. 5, is part of the ISO/IEC 8859 series of ASCII-based standard character encodings, first edition published in 1989. It is designated ECMA-128 by Ecma International and TS 5881 as a Turkish standard. It is informally referred to as Latin-5 or Turkish. It was designed to cover the Turkish language, designed as being of more use than the ISO/IEC 8859-3 encoding. It is identical to ISO/IEC 8859-1 except for the replacement of six Icelandic characters with characters unique to the Turkish alphabet.
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Windows code page 1253, commonly known by its IANA-registered name Windows-1253 or abbreviated as cp1253, is a Microsoft Windows code page used to write modern Greek. It is not capable of supporting the older polytonic Greek.
Windows-1254 is a code page used under Microsoft Windows, to write Turkish that it was designed for. Characters with codepoints A0 through FF are compatible with ISO 8859-9, but the CR range, which is reserved for C1 control codes in ISO 8859, is instead used for additional characters. It is similar to ISO/IEC 8859-1 except for the replacement of six Icelandic characters with characters unique to the Turkish alphabet.
Several binary representations of 8-bit character sets for common Western European languages are compared in this article. These encodings were designed for representation of Italian, Spanish, Portuguese, French, German, Dutch, English, Danish, Swedish, Norwegian, and Icelandic, which use the Latin alphabet, a few additional letters and ones with precomposed diacritics, some punctuation, and various symbols. Although they're called "Western European" many of these languages are spoken all over the world. Also, these character sets happen to support many other languages such as Malay, Swahili, and Classical Latin.
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Telex or TELEX, is a convention for encoding Vietnamese text in plain ASCII characters. Originally used for transmitting Vietnamese text over telex systems, it is one of the most used input method on phones and touchscreens and also computers. Vietnamese Morse code uses the TELEX system. Other systems include VNI and VIQR.
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VPSKeys is a freeware input method editor developed and distributed by the Vietnamese Professionals Society (VPS). One of the first input method editors for Vietnamese, it allows users to add accent marks to Vietnamese text on computers running Microsoft Windows. The first version of VPSKeys, supporting Windows 3.1, was released in 1993. The most recent version is 4.3, released in October 2007.
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The Vietnamese language is written with a Latin script with diacritics which requires several accommodations when typing on phone or computers. Software-based systems are a form of writing Vietnamese on phones or computers with software that can be installed on the device or from third-party software such as UniKey. Telex is the oldest input method devised to encode the Vietnamese language with its tones. Other input methods may also include VNI and VIQR. VNI input method is not to be confused with VNI code page.
VSCII, also known as TCVN 5712, ISO-IR-180, .VN, ABC or simply the TCVN encodings, 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 1993.
References
- ↑ Phung, Quang; Ngo, Hoc D.; Bui, Cuong. "Vietnamese-Standard Working Group Home Page". Viet-Std Group. Retrieved 2019-08-23.
- 1 2 3 4 5 6 Vietnamese Character Encoding Standardization Report - VISCII And VIQR 1.1 Character Encoding Specifications (Technical report). Viet-Std Group. 1992.
- 1 2 "[news] TCVN 5712:1993 (VSCII) -- Vietnamese national standard". 1993-06-02. Archived from the original on 2017-01-11.
- ↑ Lunde, Ken (13 January 2009). "Chapter 1: CJKV Information Processing Overview (§ Are VISCII and VSCII identical? What about TCVN?)". CJKV Information Processing (2nd ed.). p. 17. ISBN 978-0-596-51447-1.
- ↑ Vietnamese Standardization Working Group (May 1993). Conventions for Encoding the Vietnamese Language. IETF. doi: 10.17487/RFC1456 . RFC 1456.
- ↑ "Character Sets". IANA.
- ↑ Sivonen, Henri (2014-09-26). "Character encoding changes in m-c require c-c action". mozilla.dev.apps.thunderbird.
- ↑ Sivonen, Henri (2014-09-26). "Character encoding changes in m-c require c-c action". mozilla.dev.apps.thunderbird.
VISCII and armscii-8 are special in the sense that, for long time, Thunderbird itself (misguidedly) provided these encodings in the user interface for the choice of outgoing character encoding when composing a message. Therefore, it is possible that there exists a Thunderbird-created legacy of VISCII and armscii-8 email and Usenet posts.
- ↑ Ngo, Hoc Dinh; Tran, TuBinh. "5. Why Having Vietnamese Charset (Character Set – Encoding) Conversion?". Some special functions of WinVNKey.
