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Mojibake (Japanese: 文字化け; IPA: [mod͡ʑibake]) is the garbled text that is the result of text being decoded using an unintended character encoding.[1] The result is a systematic replacement of symbols with completely unrelated ones, often from a unlike writing system.
This display may include the generic replacement character ("�") in places where the binary representation is considered invalid. A replacement can as well involve multiple consecutive symbols, as viewed in i encoding, when the same binary code constitutes one symbol in the other encoding. This is either because of differing constant length encoding (every bit in Asian 16-bit encodings vs European 8-bit encodings), or the use of variable length encodings (notably UTF-8 and UTF-xvi).
Failed rendering of glyphs due to either missing fonts or missing glyphs in a font is a different consequence that is non to exist confused with mojibake. Symptoms of this failed rendering include blocks with the lawmaking bespeak displayed in hexadecimal or using the generic replacement character. Chiefly, these replacements are valid and are the upshot of correct error handling by the software.
Etymology [edit]
Mojibake means "character 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 betwixt the encoded data and the notion of its encoding must be preserved. As mojibake is the instance of non-compliance between these, it can be achieved by manipulating the information itself, or merely relabeling it.
Mojibake is often seen with text data that have been tagged with a incorrect encoding; it may not fifty-fifty be tagged at all, just moved betwixt computers with different default encodings. A major source of trouble are communication protocols that rely on settings on each calculator rather than sending or storing metadata together with the data.
The differing default settings betwixt computers are in part due to differing deployments of Unicode among operating system families, and partly the legacy encodings' specializations for different writing systems of human languages. Whereas Linux distributions more often than not switched to UTF-8 in 2004,[2] Microsoft Windows more often than not uses UTF-16, and sometimes uses 8-flake code pages for text files in unlike languages.[ dubious ]
For some writing systems, an example being Japanese, several encodings have historically been employed, causing users to see mojibake relatively oftentimes. As a Japanese case, the give-and-take mojibake "文字化け" stored every bit 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 equally 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 example) as "鏂囧瓧鍖栥亼" if interpreted as existence in a GBK (Red china) 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 equally ISO-8859-i encoding | Ê | ¸ | » | ú | ² | ½ | ¤ | ± |
| Bytes interpreted as GBK encoding | 矢 | 机 | 步 | け | ||||
Underspecification [edit]
If the encoding is non specified, it is up to the software to decide it past other means. Depending on the type of software, the typical solution is either configuration or charset detection heuristics. Both are prone to mis-prediction in not-and then-uncommon scenarios.
The encoding of text files is affected by locale setting, which depends on the user's language, make of operating system and possibly other weather condition. Therefore, the assumed encoding is systematically wrong for files that come from a computer with a unlike setting, or even from a differently localized software within the same system. For Unicode, ane solution is to use a byte lodge mark, only for source code and other machine readable text, many parsers don't tolerate this. Some other is storing the encoding as metadata in the file organisation. File systems that back up extended file attributes can store this as user.charset.[3] This besides requires support in software that wants to take advantage of it, but does not disturb other software.
While a few encodings are like shooting fish in a barrel to detect, in detail UTF-8, there are many that are hard to distinguish (run across charset detection). A web browser may not be able to distinguish a folio coded in EUC-JP and another in Shift-JIS if the coding scheme is not assigned explicitly using HTTP headers sent forth with the documents, or using the HTML certificate's meta tags that are used to substitute for missing HTTP headers if the server cannot be configured to ship the proper HTTP headers; come across graphic symbol encodings in HTML.
Mis-specification [edit]
Mojibake also occurs when the encoding is wrongly specified. This frequently happens between encodings that are similar. For case, the Eudora email client for Windows was known to send emails labelled every bit ISO-8859-1 that were in reality Windows-1252.[four] The Mac OS version of Eudora did not exhibit this behaviour. Windows-1252 contains actress printable characters in the C1 range (the most frequently seen being curved quotation marks and extra dashes), that were not displayed properly in software complying with the ISO standard; this especially afflicted software running under other operating systems such as Unix.
Human ignorance [edit]
Of the encodings nonetheless in utilise, many are partially uniform with each other, with ASCII as the predominant common subset. This sets the phase for human ignorance:
- Compatibility tin exist a deceptive holding, every bit the mutual subset of characters is unaffected past a mixup of ii encodings (see Problems in dissimilar writing systems).
- People recollect they are using ASCII, and tend to characterization any superset of ASCII they really employ equally "ASCII". Maybe for simplification, simply even in academic literature, the word "ASCII" can be found used every bit an example of something non compatible with Unicode, where evidently "ASCII" is Windows-1252 and "Unicode" is UTF-8.[1] Annotation that UTF-viii is backwards compatible with ASCII.
Overspecification [edit]
When there are layers of protocols, each trying to specify the encoding based on unlike data, the least certain information may be misleading to the recipient. For example, consider a web server serving a static HTML file over HTTP. The graphic symbol fix may be communicated to the client in any number of 3 means:
- in the HTTP header. This information can be based on server configuration (for instance, when serving a file off deejay) or controlled by the awarding running on the server (for dynamic websites).
- in the file, as an HTML meta tag (
http-equivorcharset) or theencodingattribute of an XML proclamation. This is the encoding that the author meant to save the detail file in. - in the file, every bit a byte order mark. This is the encoding that the author's editor really saved it in. Unless an accidental encoding conversion has happened (by opening it in i encoding and saving it in some other), this will be correct. It is, however, only 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 set and the character set typically cannot exist altered. The grapheme table independent within the display firmware will be localized to have characters for the state the device is to be sold in, and typically the table differs from country to country. Equally such, these systems will potentially brandish mojibake when loading text generated on a system from a different country. Likewise, many early operating systems do non support multiple encoding formats and thus will end up displaying mojibake if made to display non-standard text—early versions of Microsoft Windows and Palm OS for example, are localized on a per-state basis and will simply support encoding standards relevant to the country 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 Bone 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 also has the ability to be directly recognised by a simple algorithm, so that well written software should be able to avoid mixing UTF-eight up with other encodings.
The difficulty of resolving an example of mojibake varies depending on the awarding within which it occurs and the causes of it. 2 of the virtually common applications in which mojibake may occur are spider web browsers and word processors. Modern browsers and discussion processors ofttimes support a broad array of character encodings. Browsers often allow a user to change their rendering engine's encoding setting on the fly, while give-and-take processors permit the user to select the appropriate encoding when opening a file. It may take some trial and error for users to find the correct encoding.
The problem gets more complicated when it occurs in an awarding that normally does not back up a broad range of character encoding, such as in a not-Unicode computer game. In this case, the user must change the operating organization's encoding settings to friction match that of the game. Yet, changing the system-broad encoding settings can also cause Mojibake in pre-existing applications. In Windows XP or after, a user also has the option to use Microsoft AppLocale, an awarding that allows the changing of per-application locale settings. Even so, irresolute the operating system encoding settings is non possible on before operating systems such as Windows 98; to resolve this issue on before operating systems, a user would have to use third party font rendering applications.
Problems in dissimilar writing systems [edit]
English [edit]
Mojibake in English texts generally occurs in punctuation, such equally em dashes (—), en dashes (–), and curly quotes (",",','), but rarely in character text, since nigh encodings concur with ASCII on the encoding of the English alphabet. For example, the pound sign "£" will appear as "£" if information technology was encoded by the sender as UTF-8 just interpreted past the recipient as CP1252 or ISO 8859-1. If iterated using CP1252, this tin lead to "£", "£", "ÃÆ'‚£", etc.
Some computers did, in older eras, have vendor-specific encodings which caused mismatch also for English text. Commodore brand viii-bit computers used PETSCII encoding, particularly notable for inverting the upper and lower instance compared to standard ASCII. PETSCII printers worked fine on other computers of the era, but flipped the case of all messages. IBM mainframes apply the EBCDIC encoding which does not lucifer ASCII at all.
Other Western European languages [edit]
The alphabets of the North Germanic languages, Catalan, Finnish, High german, French, Portuguese and Spanish 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
- 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 language
… and their uppercase counterparts, if applicative.
These are languages for which the ISO-8859-i character set (also known as Latin 1 or Western) has been in apply. However, ISO-8859-1 has been obsoleted by two competing standards, the backward compatible Windows-1252, and the slightly altered ISO-8859-xv. Both add the Euro sign € and the French œ, simply otherwise any confusion of these iii character sets does not create mojibake in these languages. Furthermore, it is always safe to interpret ISO-8859-i every bit Windows-1252, and fairly rubber to interpret it as ISO-8859-fifteen, in particular with respect to the Euro sign, which replaces the rarely used currency sign (¤). Even so, with the advent of UTF-viii, mojibake has go more than common in certain scenarios, due east.g. exchange of text files between UNIX and Windows computers, due to UTF-8'south incompatibility with Latin-1 and Windows-1252. Only UTF-8 has the power to exist directly recognised by a uncomplicated algorithm, so that well written software should be able to avoid mixing UTF-8 up with other encodings, so this was nearly common when many had software non supporting UTF-viii. Virtually of these languages were supported by MS-DOS default CP437 and other auto default encodings, except ASCII, and then problems when ownership an operating organization version were less common. Windows and MS-DOS are non compatible notwithstanding.
In Swedish, Norwegian, Danish and German, vowels are rarely repeated, and it is usually obvious when one character gets corrupted, e.g. the second letter in "kärlek" ( kärlek , "love"). This way, even though the reader has to gauge between å, ä and ö, almost all texts remain legible. Finnish text, on the other hand, does characteristic repeating vowels in words like hääyö ("wedding night") which can sometimes render text very hard to read (east.yard. hääyö appears equally "hääyö"). Icelandic and Faroese have 10 and eight possibly confounding characters, respectively, which thus can make it more difficult to guess corrupted characters; Icelandic words like þjóðlöð ("outstanding hospitality") go well-nigh entirely unintelligible when rendered equally "þjóðlöð".
In German, Buchstabensalat ("letter salad") is a common term for this phenomenon, 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 practise in German when umlauts are non available. The latter practice seems to be better tolerated in the German language sphere than in the Nordic countries. For example, in Norwegian, digraphs are associated with archaic Danish, and may be used jokingly. However, digraphs are useful in advice 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-viii misinterpreted as ISO-8859-ane, "Band meg nÃ¥" (" Ring meg nå "), was seen in an SMS scam raging in Kingdom of norway in June 2014.[v]
| Swedish case: | Smörgås (open sandwich) | |
|---|---|---|
| File encoding | Setting in browser | Effect |
| MS-DOS 437 | ISO 8859-1 | Sm"rg†due south |
| ISO 8859-one | Mac Roman | SmˆrgÂs |
| UTF-8 | ISO 8859-i | Smörgådue south |
| UTF-viii | Mac Roman | Smörgås |
Key and Eastern European [edit]
Users of Central and Eastern European languages can also be affected. Because nearly computers were not connected to any network during the mid- to late-1980s, there were different character encodings for every language with diacritical characters (run into ISO/IEC 8859 and KOI-8), often also varying past operating system.
Hungarian [edit]
Hungarian is another affected linguistic communication, which uses the 26 basic English language characters, plus the accented forms á, é, í, ó, ú, ö, ü (all present in the Latin-one graphic symbol set), plus the two characters ő and ű, which are non in Latin-1. These two characters tin can be correctly encoded in Latin-2, Windows-1250 and Unicode. Before Unicode became common in e-postal service clients, e-mails containing Hungarian text oftentimes had the letters ő and ű corrupted, sometimes to the indicate of unrecognizability. It is mutual to reply to an e-post rendered unreadable (run into examples beneath) by character mangling (referred to as "betűszemét", meaning "alphabetic character garbage") with the phrase "Árvíztűrő tükörfúrógép", a nonsense phrase (literally "Inundation-resistant mirror-drilling machine") containing all accented characters used in Hungarian.
Examples [edit]
| Source encoding | Target encoding | Result | Occurrence |
|---|---|---|---|
| Hungarian example | ÁRVÍZTŰRŐ TÜKÖRFÚRÓGÉP árvíztűrő tükörfúrógép | Characters in red are incorrect and practise non match the top-left example. | |
| CP 852 | CP 437 | ╡RV╓ZTδRè TÜKÖRFΘRαGÉP árvízt√rï tükörfúrógép | This was very mutual in DOS-era when the text was encoded by the Central European CP 852 encoding; however, the operating system, a software or printer used the default CP 437 encoding. Delight note that minor-case messages are mainly correct, exception with ő (ï) and ű (√). Ü/ü is correct because CP 852 was made uniform with German. Nowadays occurs mainly on printed prescriptions and cheques. |
| CWI-ii | CP 437 | ÅRVìZTÿRº TÜKÖRFùRòGÉP árvíztûrô tükörfúrógép | The CWI-2 encoding was designed so that the text remains adequately 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, just nowadays it is completely deprecated. |
| Windows-1250 | Windows-1252 | ÁRVÍZTÛRÕ TÜKÖRFÚRÓGÉP árvíztûrõ tükörfúrógép | The default Western Windows encoding is used instead of the Central-European ane. Only ő-Ő (õ-Õ) and ű-Ű (û-Û) are incorrect, but the text is completely readable. This is the about common error present; due to ignorance, information technology occurs often on webpages or even in printed media. |
| CP 852 | Windows-1250 | µRVÖZTëRŠ TšOne thousand™RFéRŕG P rvˇztűr‹ t yard"rfŁr˘g‚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▄1000ÍRF┌RËG╔P ßrvÝztűr§ tŘthousand÷rf˙rˇgÚp | Key European DOS encoding is used instead of Windows encoding. The use of ű is correct. |
| Quoted-printable | 7-bit ASCII | =C1RV=CDZT=DBR=D5 T=DCK=D6RF=DAR=D3G=C9P =E1rv=EDzt=FBr=F5 t=FCk=F6rf=FAr=F3thousand=E9p | Mainly caused by wrongly configured mail servers but may occur in SMS letters on some prison cell-phones besides. |
| UTF-8 | Windows-1252 | ÃRVÃZTÅ°RÅ TÃœKÖRFÚRÃ"GÉP árvÃztűrÅ' tükörfúró1000ép | Mainly acquired by wrongly configured web services or webmail clients, which were non tested for international usage (as the problem remains concealed for English language texts). In this example the actual (often generated) content is in UTF-viii; however, it is not configured in the HTML headers, so the rendering engine displays it with the default Western encoding. |
Smooth [edit]
Prior to the creation of ISO 8859-2 in 1987, users of diverse computing platforms used their own graphic symbol encodings such as AmigaPL on Amiga, Atari Club on Atari ST and Masovia, IBM CP852, Mazovia and Windows CP1250 on IBM PCs. Polish companies selling early DOS computers created their own mutually-incompatible ways to encode Polish characters and merely 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 state of affairs began to better when, after pressure from academic and user groups, ISO 8859-2 succeeded as the "Internet standard" with express support of the dominant vendors' software (today largely replaced by Unicode). With the numerous problems acquired past the multifariousness of encodings, even today some users tend to refer to Smooth diacritical characters as krzaczki ([kshach-kih], lit. "picayune shrubs").
Russian and other Cyrillic alphabets [edit]
Mojibake may be colloquially called krakozyabry ( кракозя́бры [krɐkɐˈzʲæbrɪ̈]) in Russian, which was and remains complicated past several systems for encoding Cyrillic.[6] The Soviet Wedlock and early Russian federation developed KOI encodings ( Kod Obmena Informatsiey , Код Обмена Информацией , which translates to "Code for Information Exchange"). This began with Cyrillic-simply vii-bit KOI7, based on ASCII but with Latin and some other characters replaced with Cyrillic letters. And so came 8-bit KOI8 encoding that is an ASCII extension which encodes Cyrillic letters just with loftier-bit set octets corresponding to vii-bit codes from KOI7. It is for this reason that KOI8 text, fifty-fifty Russian, remains partially readable after stripping the eighth bit, which was considered as 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 then passed through the loftier scrap stripping procedure, end upward rendered every bit "[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, Code page 866 supported Ukrainian and Belarusan also as Russian/Bulgarian in MS-DOS. For Microsoft Windows, Lawmaking Folio 1251 added back up for Serbian and other Slavic variants of Cyrillic.
Most recently, the Unicode encoding includes code points for practically all the characters of all the world'southward languages, including all Cyrillic characters.
Before Unicode, it was necessary to match text encoding with a font using the same encoding system. Failure to do this produced unreadable gibberish whose specific appearance varied depending on the exact combination of text encoding and font encoding. For example, attempting to view not-Unicode Cyrillic text using a font that is limited 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 letters (KOI8 and codepage 1251 share the same ASCII region, just KOI8 has capital letter letters 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 Wide Web, both KOI8 and codepage 1251 were common. Equally of 2017, one can nonetheless encounter HTML pages in codepage 1251 and, rarely, KOI8 encodings, as well equally Unicode. (An estimated ane.7% of all web pages worldwide – all languages included – are encoded in codepage 1251.[7]) Though the HTML standard includes the power to specify the encoding for whatsoever 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 chosen majmunica ( маймуница ), meaning "monkey'due south [alphabet]". In Serbian, information technology is called đubre ( ђубре ), meaning "trash". Unlike the one-time USSR, South Slavs never used something like KOI8, and Code Page 1251 was the dominant Cyrillic encoding at that place 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 example: | Кракозябры ( krakozyabry , garbage characters) | |
|---|---|---|
| File encoding | Setting in browser | Result |
| MS-DOS 855 | ISO 8859-i | Æá ÆÖóÞ¢áñ |
| KOI8-R | ISO 8859-1 | 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-Croation language) and Slovenian add to the basic Latin alphabet the letters š, đ, č, ć, ž, and their capital counterparts Š, Đ, Č, Ć, Ž (just č/Č, š/Š and ž/Ž in Slovenian; officially, although others are used when needed, mostly in strange names, as well). All of these messages are defined in Latin-ii and Windows-1250, while only some (š, Š, ž, Ž, Đ) exist in the usual Os-default Windows-1252, and are there because of some other languages.
Although Mojibake tin can occur with any of these characters, the messages 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 confined to bones ASCII (most user names, for example), common replacements are: š→s, đ→dj, č→c, ć→c, ž→z (majuscule forms analogously, with Đ→Dj or Đ→DJ depending on word case). All of these replacements introduce ambiguities, so reconstructing the original from such a form is unremarkably done manually if required.
The Windows-1252 encoding is important because the English versions of the Windows operating organization are most widespread, not localized ones.[ citation needed ] The reasons for this include a relatively modest and fragmented market, increasing the price of loftier quality localization, a high caste of software piracy (in turn caused by high cost 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 Croatian and Serbian, and now even Montenegrin from the other three creates many problems. There are many unlike localizations, using dissimilar standards and of dissimilar quality. There are no common translations for the vast corporeality of computer terminology originating in English. In the stop, people use adopted English words ("kompjuter" for "computer", "kompajlirati" for "compile," etc.), and if they are unaccustomed to the translated terms may not understand what some option in a bill of fare is supposed to do based on the translated phrase. Therefore, people who understand English language, as well as those who are accustomed to English terminology (who are virtually, because English terminology is besides generally taught in schools because of these problems) regularly cull the original English language 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 Windows allow the code page to be inverse (older versions require special English versions with this support), only this setting tin be and often was incorrectly set. For case, Windows 98 and Windows Me can be set to nearly not-right-to-left single-byte lawmaking pages including 1250, but simply at install fourth dimension.
Caucasian languages [edit]
The writing systems of certain languages of the Caucasus region, including the scripts of Georgian and Armenian, may produce mojibake. This problem is peculiarly acute in the instance of ArmSCII or ARMSCII, a gear up of obsolete graphic symbol encodings for the Armenian alphabet which have been superseded past Unicode standards. ArmSCII is not widely used because of a lack of support in the calculator manufacture. For example, Microsoft Windows does not support information technology.
Asian encodings [edit]
Another type of mojibake occurs when text is erroneously parsed in a multi-byte encoding, such as one of the encodings for East Asian languages. With this kind of mojibake more than 1 (typically two) characters are corrupted at once, e.g. "k舐lek" ( kärlek ) in Swedish, where " är " is parsed every bit "舐". Compared to the to a higher place mojibake, this is harder to read, since messages unrelated to the problematic å, ä or ö are missing, and is especially problematic for short words starting with å, ä or ö such equally "än" (which becomes "舅"). Since ii 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 string which happens to include a blueprint of particular discussion lengths, such as the judgement "Bush hid the facts", may be misinterpreted.
Vietnamese [edit]
In Vietnamese, the phenomenon is chosen chữ ma , loạn mã can occur when computer attempt to encode diacritic character defined in Windows-1258, TCVN3 or VNI to UTF-viii. Chữ ma was mutual in Vietnam when user was using Windows XP computer or using inexpensive mobile phone.
| Example: | Trăm năm trong cõi người ta (Truyện Kiều, Nguyễn Du) | |
|---|---|---|
| Original encoding | Target encoding | Result |
| Windows-1258 | UTF-viii | Trăm due northăm trong cõi ngÆ°á»i ta |
| TCVN3 | UTF-viii | Tr¨m n¨m trong câi ngêi ta |
| VNI (Windows) | UTF-8 | Traêg northwardaêm trong coõi ngöôøi ta |
Japanese [edit]
In Japanese, the same phenomenon is, as mentioned, called mojibake ( 文字化け ). It is a particular problem in Japan due to the numerous unlike encodings that be for Japanese text. Alongside Unicode encodings like UTF-8 and UTF-16, there are other standard encodings, such as Shift-JIS (Windows machines) and EUC-JP (UNIX systems). Mojibake, too every bit beingness encountered by Japanese users, is too frequently encountered past not-Japanese when attempting to run software written for the Japanese market.
Chinese [edit]
In Chinese, the same phenomenon is called Luàn mǎ (Pinyin, Simplified Chinese 乱码 , Traditional Chinese 亂碼 , meaning 'chaotic code'), and tin occur when computerised text is encoded in i Chinese character encoding merely is displayed using the wrong encoding. When this occurs, it is often possible to gear up the consequence by switching the character encoding without loss of data. The situation is complicated because of the beingness of several Chinese character encoding systems in apply, the about mutual ones existence: Unicode, Big5, and Guobiao (with several astern compatible versions), and the possibility of Chinese characters being encoded using Japanese encoding.
Information technology is easy to identify the original encoding when luanma occurs in Guobiao encodings:
| Original encoding | Viewed as | Event | Original text | Note |
|---|---|---|---|---|
| Big5 | GB | ?T瓣в变巨肚 | 三國志曹操傳 | Garbled Chinese characters with no hint of original meaning. The reddish character 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 as characters with the radical 亻, while kanji are other characters. Most 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 make no sense. Hands identifiable considering of spaces between every several characters. |
An additional problem is caused when encodings are missing characters, which is common with rare or blowsy characters that are still used in personal or identify 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 singer David Tao (Chinese: 陶喆; pinyin: Táo Zhé )'s "喆" missing in Big5, ex-PRC Premier Zhu Rongji (Chinese: 朱镕基; pinyin: Zhū Róngjī )'south "镕" missing in GB2312, copyright symbol "©" missing in GBK.[9]
Newspapers have dealt with this problem in various ways, including using software to combine 2 existing, similar characters; using a motion picture of the personality; or merely substituting a homophone for the rare character in the hope that the reader would be able to brand the correct inference.
Indic text [edit]
A similar outcome can occur in Brahmic or Indic scripts of South asia, used in such Indo-Aryan or Indic languages as Hindustani (Hindi-Urdu), Bengali, Punjabi, Marä thi, and others, even if the character set employed is properly recognized by the application. This is because, in many Indic scripts, the rules by which individual letter symbols combine to create symbols for syllables may not be properly understood by a computer missing the appropriate software, even if the glyphs for the individual letter forms are available.
I example of this is the old Wikipedia logo, which attempts to evidence the character analogous to "wi" (the first syllable of "Wikipedia") on each of many puzzle pieces. The puzzle slice meant to bear the Devanagari character for "wi" instead used to display the "wa" graphic symbol followed by an unpaired "i" modifier vowel, hands recognizable as mojibake generated by a computer non configured to brandish Indic text.[10] The logo as redesigned as of May 2010[ref] has fixed these errors.
The idea of Evidently Text requires the operating system to provide a font to display Unicode codes. This font is different from Bone to Bone for Singhala and information technology makes orthographically incorrect glyphs for some letters (syllables) beyond all operating systems. For instance, the 'reph', the curt form for 'r' is a diacritic that normally goes on top of a obviously letter of the alphabet. However, it is wrong to go on acme of some letters like 'ya' or 'la' in specific contexts. For Sanskritic words or names inherited by modernistic languages, such equally कार्य, IAST: kārya, or आर्या, IAST: āryā, it is apt to put it on top of these letters. By contrast, for similar sounds in modern languages which outcome from their specific rules, it is not put on pinnacle, such every bit the give-and-take करणाऱ्या, IAST: karaṇāryā, a stem form of the mutual word करणारा/री, IAST: karaṇārā/rī, in the Marathi language.[eleven] But information technology happens in most operating systems. This appears to be a fault of internal programming of the fonts. In Mac OS and iOS, the muurdhaja l (nighttime l) and 'u' combination and its long class both yield wrong shapes.[ citation needed ]
Some Indic and Indic-derived scripts, about notably Lao, were not officially supported by Windows XP until the release of Vista.[12] Withal, various sites have fabricated complimentary-to-download fonts.
Burmese [edit]
Due to Western sanctions[xiii] and the tardily inflow of Burmese language support in computers,[14] [15] much of the early Burmese localization was homegrown without international cooperation. The prevailing means of Burmese support is via the Zawgyi font, a font that was created every bit a Unicode font but was in fact but partially Unicode compliant.[15] In the Zawgyi font, some codepoints for Burmese script were implemented every bit specified in Unicode, but others were not.[sixteen] The Unicode Consortium refers to this equally ad hoc font encodings.[17] With the advent of mobile phones, mobile vendors such as Samsung and Huawei simply replaced the Unicode compliant arrangement fonts with Zawgyi versions.[xiv]
Due to these advertisement hoc encodings, communications betwixt users of Zawgyi and Unicode would render as garbled text. To get around this result, content producers would make posts in both Zawgyi and Unicode.[18] Myanmar government has designated 1 October 2019 as "U-24-hour interval" to officially switch to Unicode.[13] The full transition is estimated to have ii years.[xix]
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 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 Malawi and the Mandombe alphabet was created for the Democratic republic of the congo, simply these are not generally supported. Various other writing systems native to W Africa present similar problems, such as the North'Ko alphabet, used for Manding languages in Republic of guinea, and the Vai syllabary, used in Liberia.
Arabic [edit]
Another affected language is Arabic (see below). The text becomes unreadable when the encodings do not match.
Examples [edit]
| File encoding | Setting in browser | Upshot |
|---|---|---|
| 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-vi | ُ؛؟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-ii | 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 have UTF-8 every bit browser setting, because UTF-viii is hands recognisable, so if a browser supports UTF-8 it should recognise it automatically, and non try to interpret something else as UTF-8.
Run into also [edit]
- Lawmaking point
- Replacement grapheme
- Substitute graphic symbol
- Newline – The conventions for representing the line intermission differ between Windows and Unix systems. Though most software supports both conventions (which is niggling), software that must preserve or brandish the difference (e.g. version command systems and data comparing tools) can get substantially more difficult to utilize if non adhering to one convention.
- Byte order mark – The most in-band way to shop the encoding together with the data – prepend it. This is by intention invisible to humans using compliant software, but will by blueprint be perceived as "garbage characters" to incompliant software (including many interpreters).
- HTML entities – An encoding of special characters in HTML, mostly optional, merely required for certain characters to escape estimation as markup.
While failure to utilise this transformation is a vulnerability (see cantankerous-site scripting), applying it too many times results in garbling of these characters. For case, the quotation marker
"becomes",","and so on. - Bush hid the facts
References [edit]
- ^ a b Male monarch, Ritchie (2012). "Will unicode soon be the universal code? [The Data]". IEEE Spectrum. 49 (7): lx. doi:10.1109/MSPEC.2012.6221090.
- ^ WINDISCHMANN, Stephan (31 March 2004). "curl -five linux.ars (Internationalization)". Ars Technica . Retrieved v October 2018.
- ^ "Guidelines for extended attributes". 2013-05-17. Retrieved 2015-02-15 .
- ^ "Unicode mailinglist on the Eudora e-mail customer". 2001-05-13. Retrieved 2014-xi-01 .
- ^ "sms-scam". June 18, 2014. Retrieved June 19, 2014.
- ^ p. 141, Control + Alt + Delete: A Dictionary of Cyberslang, Jonathon Keats, World Pequot, 2007, ISBN 1-59921-039-8.
- ^ "Usage of Windows-1251 for websites".
- ^ "Declaring graphic symbol encodings in HTML".
- ^ "PRC GBK (XGB)". Microsoft. Archived from the original on 2002-10-01. Conversion map between Code page 936 and Unicode. Demand manually selecting GB18030 or GBK in browser to view it correctly.
- ^ Cohen, Noam (June 25, 2007). "Some Errors Defy Fixes: A Typo in Wikipedia'southward 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 upwards in Myanmar's digital world". The Japan Times. 27 September 2019. Retrieved 24 December 2019.
Oct. 1 is "U-Solar day", when Myanmar officially will adopt the new system.... Microsoft and Apple helped other countries standardize years ago, simply Western sanctions meant Myanmar lost out.
- ^ a b Hotchkiss, Griffin (March 23, 2016). "Battle of the fonts". Frontier Myanmar . Retrieved 24 December 2019.
With the release of Windows XP service pack ii, circuitous scripts were supported, which fabricated information technology possible for Windows to render a Unicode-compliant Burmese font such equally Myanmar1 (released in 2005). ... Myazedi, Fleck, and subsequently Zawgyi, circumscribed the rendering trouble by adding extra code points that were reserved for Myanmar'southward indigenous languages. Non only does the re-mapping forbid time to come ethnic linguistic communication back up, it also results in a typing system that can be confusing and inefficient, fifty-fifty for experienced users. ... Huawei and Samsung, the two most popular smartphone brands in Myanmar, are motivated but past capturing the largest market place share, which means they support Zawgyi out of the box.
- ^ a b Sin, Thant (7 September 2019). "Unified under i font system as Myanmar prepares to migrate from Zawgyi to Unicode". Ascension Voices . Retrieved 24 Dec 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 Projection . Retrieved 31 Oct 2013.
- ^ "Myanmar Scripts and Languages". Frequently Asked Questions. Unicode Consortium. Retrieved 24 December 2019.
"UTF-8" technically does not utilise to ad hoc font encodings such as Zawgyi.
- ^ LaGrow, Nick; Pruzan, Miri (September 26, 2019). "Integrating autoconversion: Facebook's path from Zawgyi to Unicode - Facebook Engineering". Facebook Technology. Facebook. Retrieved 25 Dec 2019.
It makes communication on digital platforms difficult, equally content written in Unicode appears garbled to Zawgyi users and vice versa. ... In order to ameliorate accomplish their audiences, content producers in Myanmar frequently post in both Zawgyi and Unicode in a single postal service, not to mention English language or other languages.
- ^ Saw Yi Nanda (21 November 2019). "Myanmar switch to Unicode to take 2 years: app developer". The Myanmar Times . Retrieved 24 December 2019.
External links [edit]
Source: https://en.wikipedia.org/wiki/Mojibake
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