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Mojibake ( 文字化け ; IPA: [mod͡ʑibake]) is the garbled text that is the outcome of text being decoded using an unintended character encoding.[one] The result is a systematic replacement of symbols with completely unrelated ones, frequently from a different writing system.
This display may include the generic replacement graphic symbol ("�") in places where the binary representation is considered invalid. A replacement can also involve multiple consecutive symbols, equally viewed in one encoding, when the same binary code constitutes one symbol in the other encoding. This is either because of differing constant length encoding (equally in Asian sixteen-flake encodings vs European 8-fleck encodings), or the use of variable length encodings (notably UTF-eight and UTF-16).
Failed rendering of glyphs due to either missing fonts or missing glyphs in a font is a different issue that is not to be confused with mojibake. Symptoms of this failed rendering include blocks with the code betoken displayed in hexadecimal or using the generic replacement character. Importantly, these replacements are valid and are the issue of right error handling by the software.
Etymology [edit]
Mojibake means "graphic symbol transformation" in Japanese. The word is composed of 文字 (moji, IPA: [mod͡ʑi]), "character" and 化け (bake, IPA: [bäke̞], pronounced "bah-keh"), "transform".
Causes [edit]
To correctly reproduce the original text that was encoded, the correspondence between the encoded data and the notion of its encoding must be preserved. Every bit mojibake is the instance of not-compliance between these, it can be achieved by manipulating the data itself, or just relabeling it.
Mojibake is often seen with text information that have been tagged with a incorrect encoding; information technology may non even exist tagged at all, merely moved between computers with different default encodings. A major source of problem are communication protocols that rely on settings on each calculator rather than sending or storing metadata together with the data.
The differing default settings between computers are in part due to differing deployments of Unicode among operating system families, and partly the legacy encodings' specializations for unlike writing systems of homo languages. Whereas Linux distributions mostly switched to UTF-8 in 2004,[2] Microsoft Windows generally uses UTF-16, and sometimes uses viii-bit code pages for text files in different languages.[ dubious ]
For some writing systems, an instance being Japanese, several encodings have historically been employed, causing users to see mojibake relatively often. As a Japanese example, the word mojibake "文字化け" stored as EUC-JP might be incorrectly displayed as "ﾊｸｻ�ｽ､ｱ", "ﾊｸｻ嵂ｽ､ｱ" (MS-932), or "ﾊｸｻ郾ｽ､ｱ" (Shift JIS-2004). The same text stored as UTF-8 is displayed as "譁�蟄怜喧縺�" if interpreted every bit Shift JIS. This is further exacerbated if other locales are involved: the same UTF-viii text appears as "æ–‡å—化ã'" in software that assumes text to be in the Windows-1252 or ISO-8859-1 encodings, usually labelled Western, or (for case) as "鏂囧瓧鍖栥亼" if interpreted equally beingness in a GBK (Mainland Prc) locale.
| Original text | 文 | 字 | 化 | け | ||||
|---|---|---|---|---|---|---|---|---|
| Raw bytes of EUC-JP encoding | CA | B8 | BB | FA | B2 | BD | A4 | B1 |
| Bytes interpreted as Shift-JIS encoding | ﾊ | ｸ | ｻ | 郾 | ｽ | ､ | ｱ | |
| Bytes interpreted as ISO-8859-1 encoding | Ê | ¸ | » | ú | ² | ½ | ¤ | ± |
| Bytes interpreted equally GBK encoding | 矢 | 机 | 步 | け | ||||
Underspecification [edit]
If the encoding is non specified, it is up to the software to make up one's mind it by other ways. Depending on the type of software, the typical solution is either configuration or charset detection heuristics. Both are prone to mis-prediction in non-so-uncommon scenarios.
The encoding of text files is affected past locale setting, which depends on the user's language, brand of operating system and possibly other conditions. Therefore, the causeless encoding is systematically wrong for files that come from a estimator with a different setting, or even from a differently localized software within the same system. For Unicode, i solution is to use a byte lodge marking, merely for source code and other machine readable text, many parsers don't tolerate this. Another is storing the encoding every bit metadata in the file system. File systems that support extended file attributes can shop this every bit user.charset.[3] This also requires support in software that wants to accept advantage of it, merely does not disturb other software.
While a few encodings are easy to detect, in detail UTF-8, there are many that are hard to distinguish (see charset detection). A web browser may not be able to distinguish a page coded in EUC-JP and some other in Shift-JIS if the coding scheme is not assigned explicitly using HTTP headers sent along with the documents, or using the HTML document's meta tags that are used to substitute for missing HTTP headers if the server cannot exist configured to send the proper HTTP headers; encounter character encodings in HTML.
Mis-specification [edit]
Mojibake also occurs when the encoding is wrongly specified. This often happens betwixt encodings that are like. For example, the Eudora e-mail client for Windows was known to send emails labelled equally ISO-8859-ane that were in reality Windows-1252.[4] The Mac Bone version of Eudora did not exhibit this behaviour. Windows-1252 contains actress printable characters in the C1 range (the nearly frequently seen existence curved quotation marks and actress dashes), that were non displayed properly in software complying with the ISO standard; this especially affected software running under other operating systems such as Unix.
Man ignorance [edit]
Of the encodings still in use, many are partially compatible with each other, with ASCII equally the predominant mutual subset. This sets the phase for human being ignorance:
- Compatibility can exist a deceptive belongings, as the mutual subset of characters is unaffected past a mixup of 2 encodings (come across Problems in different writing systems).
- People retrieve they are using ASCII, and tend to label any superset of ASCII they actually use equally "ASCII". Perchance for simplification, but fifty-fifty in academic literature, the word "ASCII" can exist constitute used as an instance of something not compatible with Unicode, where evidently "ASCII" is Windows-1252 and "Unicode" is UTF-eight.[one] Note that UTF-8 is backwards compatible with ASCII.
Overspecification [edit]
When in that location are layers of protocols, each trying to specify the encoding based on different information, the least sure data may be misleading to the recipient. For example, consider a spider web server serving a static HTML file over HTTP. The graphic symbol set may be communicated to the client in any number of three means:
- in the HTTP header. This information can exist based on server configuration (for instance, when serving a file off disk) or controlled by the application running on the server (for dynamic websites).
- in the file, as an HTML meta tag (
http-equivorcharset) or theencodingattribute of an XML declaration. This is the encoding that the author meant to save the item file in. - in the file, as a byte gild mark. This is the encoding that the author's editor actually saved it in. Unless an adventitious encoding conversion has happened (past opening information technology in one encoding and saving it in another), this will be correct. It is, however, simply available in Unicode encodings such as UTF-8 or UTF-16.
Lack of hardware or software support [edit]
Much older hardware is typically designed to support only one character prepare and the character set typically cannot be contradistinct. The character table independent within the display firmware will be localized to take characters for the country the device is to exist sold in, and typically the table differs from country to land. Every bit such, these systems will potentially brandish mojibake when loading text generated on a organisation from a different state. Likewise, many early operating systems do not support multiple encoding formats and thus will terminate upward displaying mojibake if fabricated to display not-standard text—early versions of Microsoft Windows and Palm OS for example, are localized on a per-land basis and volition only back up encoding standards relevant to the state the localized version will be sold in, and volition display mojibake if a file containing a text in a different encoding format from the version that the OS is designed to support is opened.
Resolutions [edit]
Applications using UTF-8 as a default encoding may attain a greater degree of interoperability considering of its widespread use and backward compatibility with US-ASCII. UTF-8 too has the ability to be directly recognised past a elementary algorithm, so that well written software should be able to avert mixing UTF-8 up with other encodings.
The difficulty of resolving an instance of mojibake varies depending on the application within which it occurs and the causes of information technology. Two of the most mutual applications in which mojibake may occur are spider web browsers and discussion processors. Modernistic browsers and word processors often back up a wide array of graphic symbol encodings. Browsers oft allow a user to change their rendering engine's encoding setting on the fly, while discussion processors allow the user to select the appropriate encoding when opening a file. It may take some trial and error for users to find the right encoding.
The problem gets more complicated when it occurs in an application that normally does not support a wide range of character encoding, such equally in a non-Unicode computer game. In this case, the user must modify the operating system's encoding settings to match that of the game. Even so, changing the system-wide encoding settings can also crusade Mojibake in pre-existing applications. In Windows XP or later, a user also has the option to use Microsoft AppLocale, an application that allows the irresolute of per-application locale settings. Fifty-fifty so, changing the operating organisation encoding settings is not possible on before operating systems such as Windows 98; to resolve this issue on earlier operating systems, a user would accept to utilize tertiary party font rendering applications.
Issues in different writing systems [edit]
English [edit]
Mojibake in English language texts by and large occurs in punctuation, such as em dashes (—), en dashes (–), and curly quotes (",",','), but rarely in character text, since most encodings hold with ASCII on the encoding of the English language alphabet. For instance, the pound sign "£" will appear every bit "£" if it was encoded by the sender every bit UTF-eight but interpreted past the recipient every bit CP1252 or ISO 8859-i. If iterated using CP1252, this can lead to "£", "£", "ÃÆ'‚£", etc.
Some computers did, in older eras, accept vendor-specific encodings which caused mismatch likewise for English text. Commodore brand viii-scrap computers used PETSCII encoding, peculiarly notable for inverting the upper and lower case compared to standard ASCII. PETSCII printers worked fine on other computers of the era, but flipped the case of all messages. IBM mainframes use the EBCDIC encoding which does non match ASCII at all.
Other Western European languages [edit]
The alphabets of the Northward Germanic languages, Catalan, Finnish, German, French, Portuguese and Castilian are all extensions of the Latin alphabet. The additional characters are typically the ones that become corrupted, making texts only mildly unreadable with mojibake:
- å, ä, ö in Finnish and Swedish
- à, ç, è, é, ï, í, ò, ó, ú, ü in Catalan
- æ, ø, å in Norwegian and Danish
- á, é, ó, ij, è, ë, ï in Dutch
- ä, ö, ü, and ß in German language
- á, ð, í, ó, ú, ý, æ, ø in Faroese
- á, ð, é, í, ó, ú, ý, þ, æ, ö in Icelandic
- à, â, ç, è, é, ë, ê, ï, î, ô, ù, û, ü, ÿ, æ, œ in French
- à, è, é, ì, ò, ù in Italian
- á, é, í, ñ, ó, ú, ü, ¡, ¿ in Spanish
- à, á, â, ã, ç, é, ê, í, ó, ô, õ, ú in Portuguese (ü no longer used)
- á, é, í, ó, ú in Irish
- à, è, ì, ò, ù in Scottish Gaelic
- £ in British English
… and their uppercase counterparts, if applicative.
These are languages for which the ISO-8859-1 character set (also known as Latin 1 or Western) has been in use. Yet, ISO-8859-ane has been obsoleted by two competing standards, the astern uniform Windows-1252, and the slightly altered ISO-8859-xv. Both add together the Euro sign € and the French œ, but otherwise any confusion of these three graphic symbol sets does not create mojibake in these languages. Furthermore, it is always prophylactic to interpret ISO-8859-i equally Windows-1252, and fairly condom to interpret it as ISO-8859-15, in detail with respect to the Euro sign, which replaces the rarely used currency sign (¤). Notwithstanding, with the advent of UTF-8, mojibake has go more mutual in sure scenarios, e.g. exchange of text files betwixt UNIX and Windows computers, due to UTF-8's incompatibility with Latin-1 and Windows-1252. Merely UTF-8 has the ability to exist directly recognised past a elementary algorithm, so that well written software should be able to avoid mixing UTF-8 up with other encodings, and so this was most mutual when many had software not supporting UTF-viii. Near of these languages were supported by MS-DOS default CP437 and other machine default encodings, except ASCII, so problems when ownership an operating system version were less common. Windows and MS-DOS are not compatible nonetheless.
In Swedish, Norwegian, Danish and German, vowels are rarely repeated, and it is usually obvious when one character gets corrupted, due east.one thousand. the second letter of the alphabet in "kärlek" ( kärlek , "love"). This way, even though the reader has to approximate betwixt å, ä and ö, near all texts remain legible. Finnish text, on the other hand, does feature repeating vowels in words like hääyö ("wedding night") which can sometimes render text very hard to read (eastward.thou. hääyö appears as "hääyö"). Icelandic and Faeroese have x and eight mayhap confounding characters, respectively, which thus can make it more difficult to guess corrupted characters; Icelandic words like þjóðlöð ("outstanding hospitality") go almost entirely unintelligible when rendered equally "þjóðlöð".
In German, Buchstabensalat ("letter of the alphabet salad") is a common term for this miracle, and in Spanish, deformación (literally deformation).
Some users transliterate their writing when using a computer, either by omitting the problematic diacritics, or by using digraph replacements (å → aa, ä/æ → ae, ö/ø → oe, ü → ue etc.). Thus, an author might write "ueber" instead of "über", which is standard do in German language when umlauts are not available. The latter practice seems to exist amend tolerated in the High german language sphere than in the Nordic countries. For instance, in Norwegian, digraphs are associated with primitive Danish, and may exist used jokingly. However, digraphs are useful in communication with other parts of the world. Equally an example, the Norwegian football player Ole Gunnar Solskjær had his name spelled "SOLSKJAER" on his back when he played for Manchester United.
An artifact of UTF-8 misinterpreted equally ISO-8859-1, "Ring meg nÃ¥" (" Ring one thousand thousand nå "), was seen in an SMS scam raging in Kingdom of norway in June 2014.[5]
| Swedish instance: | Smörgås (open up sandwich) | |
|---|---|---|
| File encoding | Setting in browser | Result |
| MS-DOS 437 | ISO 8859-1 | Sm"rg†south |
| ISO 8859-one | Mac Roman | SmˆrgÂs |
| UTF-8 | ISO 8859-1 | Smörgåsouth |
| UTF-8 | Mac Roman | Smörgås |
Cardinal and Eastern European [edit]
Users of Central and Eastern European languages can also be affected. Because most computers were not connected to any network during the mid- to late-1980s, at that place were different character encodings for every language with diacritical characters (see ISO/IEC 8859 and KOI-viii), often also varying by operating organisation.
Hungarian [edit]
Hungarian is some other afflicted linguistic communication, which uses the 26 bones English language characters, plus the accented forms á, é, í, ó, ú, ö, ü (all present in the Latin-1 graphic symbol set), plus the two characters ő and ű, which are not in Latin-1. These two characters tin can be correctly encoded in Latin-2, Windows-1250 and Unicode. Before Unicode became mutual in e-mail clients, e-mails containing Hungarian text often had the letters ő and ű corrupted, sometimes to the signal of unrecognizability. It is common to respond to an e-mail rendered unreadable (see examples below) by grapheme mangling (referred to equally "betűszemét", meaning "alphabetic character garbage") with the phrase "Árvíztűrő tükörfúrógép", a nonsense phrase (literally "Overflowing-resistant mirror-drilling motorcar") containing all accented characters used in Hungarian.
Examples [edit]
| Source encoding | Target encoding | Issue | Occurrence |
|---|---|---|---|
| Hungarian case | ÁRVÍZTŰRŐ TÜKÖRFÚRÓGÉP árvíztűrő tükörfúrógép | Characters in cerise are wrong and do not friction match the elevation-left instance. | |
| CP 852 | CP 437 | ╡RV╓ZTδRè TÜKÖRFΘRαGÉP árvízt√rï tükörfúrógép | This was very common in DOS-era when the text was encoded by the Fundamental European CP 852 encoding; however, the operating system, a software or printer used the default CP 437 encoding. Please notation that minor-case letters are mainly correct, exception with ő (ï) and ű (√). Ü/ü is correct because CP 852 was fabricated compatible with High german. Nowadays occurs mainly on printed prescriptions and cheques. |
| CWI-two | CP 437 | ÅRVìZTÿRº TÜKÖRFùRòGÉP árvíztûrô tükörfúrógép | The CWI-2 encoding was designed so that the text remains fairly well-readable even if the display or printer uses the default CP 437 encoding. This encoding was heavily used in the 1980s and early 1990s, merely nowadays information technology is completely deprecated. |
| Windows-1250 | Windows-1252 | ÁRVÍZTÛRÕ TÜKÖRFÚRÓGÉP árvíztûrõ tükörfúrógép | The default Western Windows encoding is used instead of the Central-European one. Only ő-Ő (õ-Õ) and ű-Ű (û-Û) are wrong, only the text is completely readable. This is the most common error nowadays; due to ignorance, it occurs often on webpages or even in printed media. |
| CP 852 | Windows-1250 | µRVÖZTëRŠ TšK™RFéRŕG P rvˇztűr‹ t one thousand"rfŁr˘1000‚p | Central European Windows encoding is used instead of DOS encoding. The use of ű is correct. |
| Windows-1250 | CP 852 | ┴RV═ZT█RŇ T▄ThouÍRF┌RËG╔P ßrvÝztűr§ tŘk÷rf˙rˇgÚp | Fundamental European DOS encoding is used instead of Windows encoding. The utilise of ű is correct. |
| Quoted-printable | seven-bit ASCII | =C1RV=CDZT=DBR=D5 T=DCK=D6RF=DAR=D3G=C9P =E1rv=EDzt=FBr=F5 t=FCk=F6rf=FAr=F3one thousand=E9p | Mainly acquired past wrongly configured mail servers but may occur in SMS messages on some cell-phones besides. |
| UTF-8 | Windows-1252 | ÃRVÃZTÅ°RÅ TÃœThouÖRFÚRÃ"GÉP árvÃztűrÅ' tükörfúróthousandép | Mainly caused by wrongly configured web services or webmail clients, which were non tested for international usage (every bit the problem remains concealed for English texts). In this case the actual (oft generated) content is in UTF-8; however, it is not configured in the HTML headers, so the rendering engine displays it with the default Western encoding. |
Smoothen [edit]
Prior to the cosmos of ISO 8859-ii in 1987, users of various calculating platforms used their own character encodings such equally AmigaPL on Amiga, Atari Social club on Atari ST and Masovia, IBM CP852, Mazovia and Windows CP1250 on IBM PCs. Smoothen companies selling early DOS computers created their ain mutually-incompatible ways to encode Shine characters and simply reprogrammed the EPROMs of the video cards (typically CGA, EGA, or Hercules) to provide hardware code pages with the needed glyphs for Polish—arbitrarily located without reference to where other computer sellers had placed them.
The situation began to improve when, after pressure from academic and user groups, ISO 8859-two succeeded as the "Internet standard" with limited support of the dominant vendors' software (today largely replaced by Unicode). With the numerous problems caused by the diversity of encodings, fifty-fifty today some users tend to refer to Smoothen diacritical characters as krzaczki ([kshach-kih], lit. "footling shrubs").
Russian and other Cyrillic alphabets [edit]
Mojibake may exist colloquially called krakozyabry ( кракозя́бры [krɐkɐˈzʲæbrɪ̈]) in Russian, which was and remains complicated past several systems for encoding Cyrillic.[half dozen] The Soviet Union and early Russian Federation adult KOI encodings ( Kod Obmena Informatsiey , Код Обмена Информацией , which translates to "Code for Information Exchange"). This began with Cyrillic-only 7-bit KOI7, based on ASCII but with Latin and some other characters replaced with Cyrillic letters. So came viii-bit KOI8 encoding that is an ASCII extension which encodes Cyrillic messages but with high-bit set octets respective to 7-bit codes from KOI7. It is for this reason that KOI8 text, fifty-fifty Russian, remains partially readable later stripping the 8th bit, which was considered every bit a major advantage in the historic period of 8BITMIME-unaware email systems. For example, words " Школа русского языка " shkola russkogo yazyka , encoded in KOI8 and and then passed through the high bit stripping process, end up rendered equally "[KOLA RUSSKOGO qZYKA". Eventually KOI8 gained different flavors for Russian and Bulgarian (KOI8-R), Ukrainian (KOI8-U), Belarusian (KOI8-RU) and even Tajik (KOI8-T).
Meanwhile, in the West, Lawmaking page 866 supported Ukrainian and Byelorussian as well every bit Russian/Bulgarian in MS-DOS. For Microsoft Windows, Code Page 1251 added support for Serbian and other Slavic variants of Cyrillic.
Most recently, the Unicode encoding includes lawmaking points for practically all the characters of all the world's languages, including all Cyrillic characters.
Earlier Unicode, information technology was necessary to lucifer text encoding with a font using the aforementioned encoding organization. Failure to do this produced unreadable gibberish whose specific appearance varied depending on the verbal combination of text encoding and font encoding. For example, attempting to view non-Unicode Cyrillic text using a font that is express to the Latin alphabet, or using the default ("Western") encoding, typically results in text that consists almost entirely of vowels with diacritical marks. (KOI8 " Библиотека " ( biblioteka , library) becomes "âÉÂÌÉÏÔÅËÁ".) Using Windows codepage 1251 to view text in KOI8 or vice versa results in garbled text that consists mostly of capital messages (KOI8 and codepage 1251 share the same ASCII region, but KOI8 has uppercase messages in the region where codepage 1251 has lowercase, and vice versa). In general, Cyrillic gibberish is symptomatic of using the wrong Cyrillic font. During the early years of the Russian sector of the World Broad Spider web, both KOI8 and codepage 1251 were common. Equally of 2017, 1 tin still encounter HTML pages in codepage 1251 and, rarely, KOI8 encodings, as well as Unicode. (An estimated i.vii% of all spider web pages worldwide – all languages included – are encoded in codepage 1251.[7]) Though the HTML standard includes the ability to specify the encoding for any given web page in its source,[8] this is sometimes neglected, forcing the user to switch encodings in the browser manually.
In Bulgarian, mojibake is often called majmunica ( маймуница ), meaning "monkey's [alphabet]". In Serbian, information technology is called đubre ( ђубре ), meaning "trash". Unlike the quondam USSR, Due south Slavs never used something like KOI8, and Code Page 1251 was the dominant Cyrillic encoding in that location before Unicode. Therefore, these languages experienced fewer encoding incompatibility troubles than Russian. In the 1980s, Bulgarian computers used their own MIK encoding, which is superficially similar to (although incompatible with) CP866.
| Russian instance: | Кракозябры ( krakozyabry , garbage characters) | |
|---|---|---|
| File encoding | Setting in browser | Result |
| MS-DOS 855 | ISO 8859-ane | Æá ÆÖóÞ¢áñ |
| KOI8-R | ISO 8859-i | ëÒÁËÏÚÑÂÒÙ |
| UTF-8 | KOI8-R | п я─п╟п╨п╬п╥я▐п╠я─я▀ |
Yugoslav languages [edit]
Croatian, Bosnian, Serbian (the dialects of the Yugoslav Serbo-Croatian linguistic communication) and Slovene add to the basic Latin alphabet the letters š, đ, č, ć, ž, and their capital counterparts Š, Đ, Č, Ć, Ž (only č/Č, š/Š and ž/Ž in Slovene; officially, although others are used when needed, generally in strange names, every bit well). All of these letters are defined in Latin-two and Windows-1250, while only some (š, Š, ž, Ž, Đ) be in the usual Os-default Windows-1252, and are there considering of some other languages.
Although Mojibake tin can occur with whatsoever of these characters, the letters that are not included in Windows-1252 are much more prone to errors. Thus, even nowadays, "šđčćž ŠĐČĆŽ" is often displayed as "šðèæž ŠÐÈÆŽ", although ð, è, æ, È, Æ are never used in Slavic languages.
When bars to basic ASCII (almost user names, for example), common replacements are: š→s, đ→dj, č→c, ć→c, ž→z (uppercase forms analogously, with Đ→Dj or Đ→DJ depending on word case). All of these replacements introduce ambiguities, and so reconstructing the original from such a form is usually done manually if required.
The Windows-1252 encoding is important because the English language versions of the Windows operating system are near widespread, not localized ones.[ commendation needed ] The reasons for this include a relatively small and fragmented market, increasing the cost of loftier quality localization, a loftier caste of software piracy (in plough caused by high price of software compared to income), which discourages localization efforts, and people preferring English language versions of Windows and other software.[ citation needed ]
The drive to differentiate Croatian from Serbian, Bosnian from Croation and Serbian, and at present even Montenegrin from the other 3 creates many problems. There are many dissimilar localizations, using dissimilar standards and of different quality. There are no mutual translations for the vast amount of figurer terminology originating in English. In the finish, people utilise adopted English words ("kompjuter" for "figurer", "kompajlirati" for "compile," etc.), and if they are unaccustomed to the translated terms may non understand what some selection in a card is supposed to do based on the translated phrase. Therefore, people who understand English, as well as those who are accustomed to English terminology (who are near, because English language terminology is also generally taught in schools because of these problems) regularly choose the original English versions of non-specialist software.
When Cyrillic script is used (for Macedonian and partially Serbian), the trouble is similar to other Cyrillic-based scripts.
Newer versions of English language Windows permit the lawmaking page to be changed (older versions crave special English versions with this back up), but this setting can be and often was incorrectly set. For example, Windows 98 and Windows Me can be set to most non-right-to-left unmarried-byte code pages including 1250, simply just at install time.
Caucasian languages [edit]
The writing systems of certain languages of the Caucasus region, including the scripts of Georgian and Armenian, may produce mojibake. This trouble is particularly acute in the case of ArmSCII or ARMSCII, a set up of obsolete character encodings for the Armenian alphabet which have been superseded by Unicode standards. ArmSCII is not widely used because of a lack of support in the computer manufacture. For case, Microsoft Windows does not support information technology.
Asian encodings [edit]
Some other type of mojibake occurs when text is erroneously parsed in a multi-byte encoding, such as one of the encodings for Due east Asian languages. With this kind of mojibake more than one (typically two) characters are corrupted at in one case, e.m. "k舐lek" ( kärlek ) in Swedish, where " är " is parsed as "舐". Compared to the above mojibake, this is harder to read, since letters unrelated to the problematic å, ä or ö are missing, and is specially problematic for short words starting with å, ä or ö such every bit "än" (which becomes "舅"). Since two messages are combined, the mojibake also seems more random (over 50 variants compared to the normal three, not counting the rarer capitals). In some rare cases, an entire text cord which happens to include a pattern of particular word lengths, such equally the judgement "Bush-league hid the facts", may be misinterpreted.
Vietnamese [edit]
In Vietnamese, the phenomenon is called chữ ma , loạn mã tin occur when computer try to encode diacritic character defined in Windows-1258, TCVN3 or VNI to UTF-8. Chữ ma was common in Vietnam when user was using Windows XP estimator or using cheap mobile telephone.
| Example: | Trăm năm trong cõi người ta (Truyện Kiều, Nguyễn Du) | |
|---|---|---|
| Original encoding | Target encoding | Outcome |
| Windows-1258 | UTF-8 | Trăthousand năone thousand trong cõi ngÆ°á»i ta |
| TCVN3 | UTF-viii | Tr¨m n¨m trong câi ngêi ta |
| VNI (Windows) | UTF-viii | Traêm naêm trong coõi ngöôøi ta |
Japanese [edit]
In Japanese, the aforementioned phenomenon is, as mentioned, called mojibake ( 文字化け ). It is a particular problem in Japan due to the numerous different encodings that exist for Japanese text. Alongside Unicode encodings similar UTF-viii and UTF-sixteen, there are other standard encodings, such equally Shift-JIS (Windows machines) and EUC-JP (UNIX systems). Mojibake, likewise as being encountered by Japanese users, is likewise often encountered by non-Japanese when attempting to run software written for the Japanese marketplace.
Chinese [edit]
In Chinese, the same phenomenon is called Luàn mǎ (Pinyin, Simplified Chinese 乱码 , Traditional Chinese 亂碼 , significant 'chaotic code'), and can occur when computerised text is encoded in one Chinese grapheme encoding but is displayed using the wrong encoding. When this occurs, it is often possible to set up the issue past switching the character encoding without loss of data. The situation is complicated because of the existence of several Chinese graphic symbol encoding systems in employ, the most common ones existence: Unicode, Big5, and Guobiao (with several backward uniform versions), and the possibility of Chinese characters being encoded using Japanese encoding.
It is easy to identify the original encoding when luanma occurs in Guobiao encodings:
| Original encoding | Viewed as | Issue | Original text | Notation |
|---|---|---|---|---|
| Big5 | GB | ?T瓣в变巨肚 | 三國志曹操傳 | Garbled Chinese characters with no hint of original meaning. The red grapheme is not a valid codepoint in GB2312. |
| Shift-JIS | GB | 暥帤壔偗僥僗僩 | 文字化けテスト | Kana is displayed equally characters with the radical 亻, while kanji are other characters. About of them are extremely uncommon and not in practical use in modern Chinese. |
| EUC-KR | GB | 叼力捞钙胶 抛农聪墨 | 디제이맥스 테크니카 | Random common Simplified Chinese characters which in most cases brand no sense. Hands identifiable because of spaces between every several characters. |
An boosted trouble is caused when encodings are missing characters, which is common with rare or antiquated characters that are still used in personal or place names. Examples of this are Taiwanese politicians Wang Chien-shien (Chinese: 王建煊; pinyin: Wáng Jiànxuān )'s "煊", Yu Shyi-kun (simplified Chinese: 游锡堃; traditional Chinese: 游錫堃; pinyin: Yóu Xíkūn )'s "堃" and vocalist David Tao (Chinese: 陶喆; pinyin: Táo Zhé )'southward "喆" missing in Big5, ex-China Premier Zhu Rongji (Chinese: 朱镕基; pinyin: Zhū Róngjī )'s "镕" missing in GB2312, copyright symbol "©" missing in GBK.[ix]
Newspapers accept dealt with this problem in various means, including using software to combine two existing, similar characters; using a picture of the personality; or simply substituting a homophone for the rare graphic symbol in the hope that the reader would exist able to make the right inference.
Indic text [edit]
A similar issue can occur in Brahmic or Indic scripts of Southern asia, used in such Indo-Aryan or Indic languages as Hindustani (Hindi-Urdu), Bengali, Punjabi, Marä thi, and others, even if the character gear up employed is properly recognized past the awarding. This is because, in many Indic scripts, the rules by which private letter of the alphabet symbols combine to create symbols for syllables may not be properly understood by a figurer missing the appropriate software, even if the glyphs for the individual alphabetic character forms are available.
I example of this is the old Wikipedia logo, which attempts to show the graphic symbol coordinating to "wi" (the kickoff syllable of "Wikipedia") on each of many puzzle pieces. The puzzle piece meant to behave the Devanagari character for "wi" instead used to brandish the "wa" character followed by an unpaired "i" modifier vowel, easily recognizable as mojibake generated by a reckoner non configured to display Indic text.[x] The logo as redesigned equally of May 2010[ref] has fixed these errors.
The idea of Plainly Text requires the operating system to provide a font to display Unicode codes. This font is different from Bone to OS for Singhala and it makes orthographically wrong glyphs for some letters (syllables) beyond all operating systems. For instance, the 'reph', the short form for 'r' is a diacritic that normally goes on superlative of a obviously alphabetic character. However, it is wrong to go on meridian of some messages like 'ya' or 'la' in specific contexts. For Sanskritic words or names inherited by modernistic languages, such as कार्य, IAST: kārya, or आर्या, IAST: āryā, it is apt to put it on top of these messages. Past contrast, for similar sounds in modern languages which result from their specific rules, information technology is not put on elevation, such every bit the word करणाऱ्या, IAST: karaṇāryā, a stem course of the common word करणारा/री, IAST: karaṇārā/rī, in the Marathi language.[11] Simply it happens in most operating systems. This appears to be a error of internal programming of the fonts. In Mac OS and iOS, the muurdhaja l (dark l) and 'u' combination and its long form both yield incorrect shapes.[ citation needed ]
Some Indic and Indic-derived scripts, almost notably Lao, were not officially supported by Windows XP until the release of Vista.[12] Nevertheless, various sites have made complimentary-to-download fonts.
Burmese [edit]
Due to Western sanctions[13] and the late arrival of Burmese language back up in computers,[14] [15] much of the early on Burmese localization was homegrown without international cooperation. The prevailing means of Burmese support is via the Zawgyi font, a font that was created as a Unicode font but was in fact just partially Unicode compliant.[fifteen] In the Zawgyi font, some codepoints for Burmese script were implemented as specified in Unicode, merely others were not.[16] The Unicode Consortium refers to this as advertising hoc font encodings.[17] With the advent of mobile phones, mobile vendors such as Samsung and Huawei but replaced the Unicode compliant arrangement fonts with Zawgyi versions.[14]
Due to these advertizement hoc encodings, communications between users of Zawgyi and Unicode would render as garbled text. To become effectually this outcome, content producers would make posts in both Zawgyi and Unicode.[18] Myanmar government has designated 1 October 2019 as "U-Mean solar day" to officially switch to Unicode.[13] The full transition is estimated to have two years.[19]
African languages [edit]
In certain writing systems of Africa, unencoded text is unreadable. Texts that may produce mojibake include those from the Horn of Africa such as the Ge'ez script in Federal democratic republic of ethiopia and Eritrea, used for Amharic, Tigre, and other languages, and the Somali language, which employs the Osmanya alphabet. In Southern Africa, the Mwangwego alphabet is used to write languages of Republic of malaŵi and the Mandombe alphabet was created for the Democratic republic of the congo, only these are not by and large supported. Various other writing systems native to Westward Africa present similar bug, such as the N'Ko alphabet, used for Manding languages in Republic of guinea, and the Vai syllabary, used in Republic of liberia.
Arabic [edit]
Some other affected language is Arabic (meet below). The text becomes unreadable when the encodings do non match.
Examples [edit]
| File encoding | Setting in browser | Issue |
|---|---|---|
| Arabic example: |  (Universal Annunciation of Human Rights) | |
| Browser rendering: | الإعلان العالمى لحقوق الإنسان | |
| UTF-8 | Windows-1252 | الإعلان العالمى Ù„Øقوق الإنسان |
| KOI8-R | О╩©ь╖ы└ь╔ь╧ы└ь╖ы├ ь╖ы└ь╧ь╖ы└ы┘ы┴ ы└ь╜ы┌ы┬ы┌ ь╖ы└ь╔ы├ьЁь╖ы├ | |
| ISO 8859-5 | яЛПиЇй�иЅиЙй�иЇй� иЇй�иЙиЇй�й�й� й�ий�й�й� иЇй�иЅй�иГиЇй� | |
| CP 866 | я╗┐╪з┘Д╪е╪╣┘Д╪з┘Ж ╪з┘Д╪╣╪з┘Д┘Е┘Й ┘Д╪н┘В┘И┘В ╪з┘Д╪е┘Ж╪│╪з┘Ж | |
| ISO 8859-half dozen | ُ؛؟ظ�ع�ظ�ظ�ع�ظ�ع� ظ�ع�ظ�ظ�ع�ع�ع� ع�ظع�ع�ع� ظ�ع�ظ�ع�ظ�ظ�ع� | |
| ISO 8859-2 | اŮ�ŘĽŘšŮ�اŮ� اŮ�ؚاŮ�Ů�Ů� Ů�ŘŮ�Ů�Ů� اŮ�ŘĽŮ�ساŮ� | |
| Windows-1256 | Windows-1252 | ÇáÅÚáÇä ÇáÚÇáãì áÍÞæÞ ÇáÅäÓÇä |
The examples in this article do not accept UTF-eight every bit browser setting, because UTF-viii is easily recognisable, and then if a browser supports UTF-eight it should recognise it automatically, and non endeavor to interpret something else as UTF-8.
Encounter also [edit]
- Lawmaking point
- Replacement character
- Substitute character
- Newline – The conventions for representing the line break differ betwixt Windows and Unix systems. Though nearly software supports both conventions (which is trivial), software that must preserve or display the deviation (e.g. version command systems and data comparison tools) can get essentially more difficult to utilize if non adhering to one convention.
- Byte club marker – The most in-ring mode to store the encoding together with the data – prepend information technology. This is past intention invisible to humans using compliant software, merely will by design be perceived equally "garbage characters" to incompliant software (including many interpreters).
- HTML entities – An encoding of special characters in HTML, mostly optional, only required for certain characters to escape interpretation as markup.
While failure to apply this transformation is a vulnerability (see cantankerous-site scripting), applying it too many times results in garbling of these characters. For example, the quotation marking
"becomes",","and then on. - Bush-league hid the facts
References [edit]
- ^ a b Rex, Ritchie (2012). "Will unicode presently be the universal lawmaking? [The Information]". IEEE Spectrum. 49 (seven): 60. doi:10.1109/MSPEC.2012.6221090.
- ^ WINDISCHMANN, Stephan (31 March 2004). "curl -v linux.ars (Internationalization)". Ars Technica . Retrieved 5 October 2018.
- ^ "Guidelines for extended attributes". 2013-05-17. Retrieved 2015-02-xv .
- ^ "Unicode mailinglist on the Eudora email customer". 2001-05-13. Retrieved 2014-11-01 .
- ^ "sms-scam". June eighteen, 2014. Retrieved June nineteen, 2014.
- ^ p. 141, Control + Alt + Delete: A Lexicon of Cyberslang, Jonathon Keats, Globe Pequot, 2007, ISBN 1-59921-039-eight.
- ^ "Usage of Windows-1251 for websites".
- ^ "Declaring character encodings in HTML".
- ^ "PRC GBK (XGB)". Microsoft. Archived from the original on 2002-10-01. Conversion map betwixt Code page 936 and Unicode. Need manually selecting GB18030 or GBK in browser to view it correctly.
- ^ Cohen, Noam (June 25, 2007). "Some Errors Defy Fixes: A Typo in Wikipedia's Logo Fractures the Sanskrit". The New York Times . Retrieved July 17, 2009.
- ^ https://marathi.indiatyping.com/
- ^ "Content Moved (Windows)". Msdn.microsoft.com. Retrieved 2014-02-05 .
- ^ a b "Unicode in, Zawgyi out: Modernity finally catches up in Myanmar's digital world". The Japan Times. 27 September 2019. Retrieved 24 Dec 2019.
October. 1 is "U-Day", when Myanmar officially will adopt the new system.... Microsoft and Apple helped other countries standardize years ago, but Western sanctions meant Myanmar lost out.
- ^ a b Hotchkiss, Griffin (March 23, 2016). "Boxing of the fonts". Borderland Myanmar . Retrieved 24 December 2019.
With the release of Windows XP service pack two, complex scripts were supported, which made information technology possible for Windows to return a Unicode-compliant Burmese font such as Myanmar1 (released in 2005). ... Myazedi, Flake, and afterward Zawgyi, confining the rendering problem past adding actress code points that were reserved for Myanmar'south ethnic languages. Not only does the re-mapping forestall future indigenous language support, information technology also results in a typing system that can be confusing and inefficient, fifty-fifty for experienced users. ... Huawei and Samsung, the ii most popular smartphone brands in Myanmar, are motivated merely by capturing the largest market share, which means they support Zawgyi out of the box.
- ^ a b Sin, Thant (7 September 2019). "Unified under one font system as Myanmar prepares to migrate from Zawgyi to Unicode". Ascent Voices . Retrieved 24 December 2019.
Standard Myanmar Unicode fonts were never mainstreamed unlike the private and partially Unicode compliant Zawgyi font. ... Unicode will improve natural language processing
- ^ "Why Unicode is Needed". Google Code: Zawgyi Project . Retrieved 31 October 2013.
- ^ "Myanmar Scripts and Languages". Oftentimes Asked Questions. Unicode Consortium. Retrieved 24 Dec 2019.
"UTF-viii" technically does non apply to advert hoc font encodings such every bit Zawgyi.
- ^ LaGrow, Nick; Pruzan, Miri (September 26, 2019). "Integrating autoconversion: Facebook's path from Zawgyi to Unicode - Facebook Engineering". Facebook Engineering. Facebook. Retrieved 25 December 2019.
Information technology makes advice on digital platforms difficult, as content written in Unicode appears garbled to Zawgyi users and vice versa. ... In order to better reach their audiences, content producers in Myanmar oftentimes post in both Zawgyi and Unicode in a unmarried post, not to mention English or other languages.
- ^ Saw Yi Nanda (21 November 2019). "Myanmar switch to Unicode to take ii years: app programmer". The Myanmar Times . Retrieved 24 December 2019.
External links [edit]
Source: https://en.wikipedia.org/wiki/Mojibake
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