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Mojibake (Japanese: 文字化け; IPA: [mod͡ʑibake]) is the garbled text that is the upshot of text being decoded using an unintended character encoding.[i] The result is a systematic replacement of symbols with completely unrelated ones, often from a different writing system.
This brandish may include the generic replacement character ("�") in places where the binary representation is considered invalid. A replacement can also involve multiple consecutive symbols, as viewed in 1 encoding, when the same binary code constitutes one symbol in the other encoding. This is either because of differing abiding length encoding (as in Asian 16-chip encodings vs European 8-chip encodings), or the use of variable length encodings (notably UTF-8 and UTF-16).
Failed rendering of glyphs due to either missing fonts or missing glyphs in a font is a different consequence that is not to be confused with mojibake. Symptoms of this failed rendering include blocks with the lawmaking point displayed in hexadecimal or using the generic replacement grapheme. Importantly, these replacements are valid and are the result of correct error handling by the software.
Etymology [edit]
Mojibake means "grapheme transformation" in Japanese. The word is composed of 文字 (moji, IPA: [mod͡ʑi]), "character" and 化け (broil, 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 exist preserved. Every bit mojibake is the example of non-compliance between these, it can be achieved by manipulating the data itself, or simply relabeling it.
Mojibake is oft seen with text data that have been tagged with a wrong encoding; it may not fifty-fifty be tagged at all, but moved between computers with different default encodings. A major source of trouble are communication protocols that rely on settings on each estimator rather than sending or storing metadata together with the information.
The differing default settings betwixt computers are in office 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 mostly switched to UTF-8 in 2004,[2] Microsoft Windows generally uses UTF-16, and sometimes uses 8-chip lawmaking pages for text files in dissimilar languages.[ dubious ]
For some writing systems, an example being Japanese, several encodings have historically been employed, causing users to run into 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 aforementioned text stored as UTF-viii is displayed as "譁�蟄怜喧縺�" if interpreted every bit Shift JIS. This is farther exacerbated if other locales are involved: the same UTF-eight text appears equally "æ–‡å—化ã'" in software that assumes text to be in the Windows-1252 or ISO-8859-1 encodings, normally labelled Western, or (for instance) as "鏂囧瓧鍖栥亼" if interpreted as existence in a GBK (Mainland Mainland 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 as ISO-8859-ane encoding | Ê | ¸ | » | ú | ² | ½ | ¤ | ± |
| Bytes interpreted as GBK encoding | 矢 | 机 | 步 | け | ||||
Underspecification [edit]
If the encoding is not specified, it is upwards 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 not-so-uncommon scenarios.
The encoding of text files is affected by locale setting, which depends on the user's language, brand of operating system and possibly other conditions. Therefore, the assumed encoding is systematically incorrect for files that come from a estimator with a dissimilar setting, or fifty-fifty from a differently localized software within the same organization. For Unicode, one solution is to use a byte society mark, but for source lawmaking and other car readable text, many parsers don't tolerate this. Another is storing the encoding as metadata in the file system. File systems that support extended file attributes tin can store this every bit user.charset.[3] This besides requires back up in software that wants to take advantage of information technology, but does not disturb other software.
While a few encodings are easy to detect, in particular UTF-8, there are many that are hard to distinguish (encounter charset detection). A web browser may not be able to distinguish a page coded in EUC-JP and another in Shift-JIS if the coding scheme is not assigned explicitly using HTTP headers sent along with the documents, or using the HTML document'southward meta tags that are used to substitute for missing HTTP headers if the server cannot be configured to ship the proper HTTP headers; see character encodings in HTML.
Mis-specification [edit]
Mojibake also occurs when the encoding is wrongly specified. This frequently happens between encodings that are like. For instance, the Eudora email client for Windows was known to ship emails labelled every bit ISO-8859-one that were in reality Windows-1252.[four] The Mac OS version of Eudora did not exhibit this behaviour. Windows-1252 contains extra printable characters in the C1 range (the near frequently seen being curved quotation marks and extra dashes), that were not displayed properly in software complying with the ISO standard; this specially affected software running under other operating systems such as Unix.
Homo ignorance [edit]
Of the encodings still in utilise, many are partially compatible with each other, with ASCII every bit the predominant mutual subset. This sets the phase for human ignorance:
- Compatibility tin can exist a deceptive property, as the mutual subset of characters is unaffected by a mixup of 2 encodings (see Issues in dissimilar writing systems).
- People recall they are using ASCII, and tend to characterization whatsoever superset of ASCII they really utilize as "ASCII". Maybe for simplification, but even in academic literature, the word "ASCII" tin exist establish used every bit an example of something non compatible with Unicode, where patently "ASCII" is Windows-1252 and "Unicode" is UTF-8.[one] Note that UTF-viii is backwards compatible with ASCII.
Overspecification [edit]
When there are layers of protocols, each trying to specify the encoding based on different information, the to the lowest degree certain data may be misleading to the recipient. For example, consider a web server serving a static HTML file over HTTP. The grapheme set may be communicated to the client in any number of iii ways:
- in the HTTP header. This information tin can be based on server configuration (for instance, when serving a file off deejay) 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 annunciation. This is the encoding that the author meant to save the particular file in. - in the file, as a byte social club marking. This is the encoding that the writer's editor actually saved it in. Unless an accidental encoding conversion has happened (by opening it in one encoding and saving information technology in another), this will be correct. It is, withal, just available in Unicode encodings such as UTF-viii or UTF-16.
Lack of hardware or software support [edit]
Much older hardware is typically designed to support only one graphic symbol set and the grapheme set typically cannot be altered. The grapheme table independent inside the display firmware volition be localized to have characters for the land the device is to be sold in, and typically the table differs from country to land. Every bit such, these systems will potentially display mojibake when loading text generated on a organisation from a unlike country. Likewise, many early operating systems do non back up multiple encoding formats and thus will terminate up displaying mojibake if made to display non-standard text—early versions of Microsoft Windows and Palm Bone for example, are localized on a per-land basis and will only support encoding standards relevant to the country the localized version volition be sold in, and will brandish 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 every bit a default encoding may accomplish a greater degree of interoperability because of its widespread use and astern compatibility with US-ASCII. UTF-8 also has the ability to be directly recognised by a simple algorithm, then that well written software should be able to avoid mixing UTF-eight upwards 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 almost common applications in which mojibake may occur are web browsers and word processors. Modern browsers and word processors frequently support a wide array of grapheme encodings. Browsers frequently allow a user to modify their rendering engine's encoding setting on the fly, while word 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 correct encoding.
The problem gets more than complicated when it occurs in an awarding that normally does not support a wide range of character encoding, such as in a non-Unicode figurer game. In this example, the user must alter the operating system's encoding settings to friction match that of the game. All the same, irresolute the system-broad encoding settings can also cause Mojibake in pre-existing applications. In Windows XP or afterwards, a user also has the option to employ Microsoft AppLocale, an application that allows the changing of per-application locale settings. Fifty-fifty and so, irresolute the operating organisation encoding settings is not possible on earlier operating systems such equally Windows 98; to resolve this effect on earlier operating systems, a user would have to use tertiary party font rendering applications.
Issues in different writing systems [edit]
English [edit]
Mojibake in English language texts generally occurs in punctuation, such every bit em dashes (—), en dashes (–), and curly quotes (",",','), but rarely in graphic symbol text, since virtually encodings hold with ASCII on the encoding of the English alphabet. For example, the pound sign "£" will announced as "£" if information technology was encoded by the sender equally UTF-eight but interpreted by the recipient as CP1252 or ISO 8859-1. If iterated using CP1252, this can lead to "£", "£", "ÃÆ'‚£", etc.
Some computers did, in older eras, have vendor-specific encodings which acquired mismatch as well for English text. Commodore brand 8-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 letters. IBM mainframes use the EBCDIC encoding which does not match ASCII at all.
Other Western European languages [edit]
The alphabets of the North Germanic languages, Catalan, Finnish, German language, French, Portuguese and Spanish are all extensions of the Latin alphabet. The boosted 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 High 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
… and their uppercase counterparts, if applicable.
These are languages for which the ISO-8859-1 graphic symbol set (likewise known as Latin 1 or Western) has been in use. All the same, ISO-8859-i has been obsoleted by ii competing standards, the astern compatible Windows-1252, and the slightly altered ISO-8859-fifteen. Both add the Euro sign € and the French œ, just otherwise whatever defoliation of these three character sets does not create mojibake in these languages. Furthermore, it is always rubber to interpret ISO-8859-i as Windows-1252, and fairly prophylactic to interpret it as ISO-8859-fifteen, in detail with respect to the Euro sign, which replaces the rarely used currency sign (¤). Still, with the advent of UTF-8, mojibake has become more common in certain scenarios, due east.one thousand. exchange of text files betwixt UNIX and Windows computers, due to UTF-8'southward incompatibility with Latin-1 and Windows-1252. Merely UTF-8 has the power to exist directly recognised by a elementary algorithm, so that well written software should be able to avoid mixing UTF-8 up with other encodings, so this was nigh common when many had software not supporting UTF-viii. About of these languages were supported by MS-DOS default CP437 and other machine default encodings, except ASCII, so problems when buying an operating system version were less mutual. Windows and MS-DOS are not compatible however.
In Swedish, Norwegian, Danish and German, vowels are rarely repeated, and information technology is usually obvious when one character gets corrupted, east.m. the 2nd letter in "kärlek" ( kärlek , "dear"). This way, even though the reader has to guess betwixt å, ä and ö, well-nigh all texts remain legible. Finnish text, on the other hand, does feature repeating vowels in words like hääyö ("nuptials night") which can sometimes render text very hard to read (due east.thousand. hääyö appears equally "hääyö"). Icelandic and Faroese have ten and eight peradventure misreckoning characters, respectively, which thus can make it more difficult to guess corrupted characters; Icelandic words similar þjóðlöð ("outstanding hospitality") get almost entirely unintelligible when rendered every bit "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 calculator, either past omitting the problematic diacritics, or by using digraph replacements (å → aa, ä/æ → ae, ö/ø → oe, ü → ue etc.). Thus, an writer might write "ueber" instead of "über", which is standard practice 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 primitive Danish, and may be used jokingly. However, digraphs are useful in communication with other parts of the world. As an example, the Norwegian football actor Ole Gunnar Solskjær had his name spelled "SOLSKJAER" on his dorsum when he played for Manchester United.
An artifact of UTF-8 misinterpreted as ISO-8859-ane, "Ring 1000000 nÃ¥" (" Ring 1000000 nå "), was seen in an SMS scam raging in Norway in June 2014.[five]
| Swedish instance: | Smörgås (open up sandwich) | |
|---|---|---|
| File encoding | Setting in browser | Upshot |
| MS-DOS 437 | ISO 8859-one | Sm"rg†s |
| ISO 8859-1 | Mac Roman | SmˆrgÂs |
| UTF-eight | ISO 8859-1 | Smörgås |
| UTF-eight | Mac Roman | Smörgås |
Key and Eastern European [edit]
Users of Central and Eastern European languages can as well exist affected. Because well-nigh computers were not connected to whatsoever network during the mid- to late-1980s, there were unlike graphic symbol encodings for every language with diacritical characters (see ISO/IEC 8859 and KOI-eight), often as well varying by operating system.
Hungarian [edit]
Hungarian is another affected language, which uses the 26 basic English language characters, plus the absolute forms á, é, í, ó, ú, ö, ü (all present in the Latin-1 character gear up), plus the two characters ő and ű, which are not in Latin-1. These two characters can exist correctly encoded in Latin-2, Windows-1250 and Unicode. Before Unicode became common in e-mail clients, east-mails containing Hungarian text often had the letters ő and ű corrupted, sometimes to the point of unrecognizability. It is common to respond to an email rendered unreadable (meet examples below) by graphic symbol mangling (referred to as "betűszemét", meaning "letter garbage") with the phrase "Árvíztűrő tükörfúrógép", a nonsense phrase (literally "Overflowing-resistant mirror-drilling machine") containing all accented characters used in Hungarian.
Examples [edit]
| Source encoding | Target encoding | Result | Occurrence |
|---|---|---|---|
| Hungarian instance | ÁRVÍZTŰRŐ TÜKÖRFÚRÓGÉP árvíztűrő tükörfúrógép | Characters in ruby-red are incorrect and practise not match the top-left example. | |
| CP 852 | CP 437 | ╡RV╓ZTδRè TÜKÖRFΘRαGÉP árvízt√rï tükörfúrógép | This was very common in DOS-era when the text was encoded by the Central European CP 852 encoding; however, the operating organisation, a software or printer used the default CP 437 encoding. Please note that small-case messages are mainly correct, exception with ő (ï) and ű (√). Ü/ü is right because CP 852 was made uniform with German language. Nowadays occurs mainly on printed prescriptions and cheques. |
| CWI-2 | 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, but present it is completely deprecated. |
| Windows-1250 | Windows-1252 | ÁRVÍZTÛRÕ TÜKÖRFÚRÓGÉP árvíztûrõ tükörfúrógép | The default Western Windows encoding is used instead of the Primal-European one. Only ő-Ő (õ-Õ) and ű-Ű (û-Û) are incorrect, only the text is completely readable. This is the most common fault nowadays; due to ignorance, it occurs ofttimes on webpages or fifty-fifty in printed media. |
| CP 852 | Windows-1250 | µRVÖZTëRŠ TšK™RFéRŕYard P rvˇztűr‹ t grand"rfŁr˘g‚p | Key European Windows encoding is used instead of DOS encoding. The apply of ű is right. |
| Windows-1250 | CP 852 | ┴RV═ZT█RŇ T▄KÍRF┌RËG╔P ßrvÝztűr§ tŘk÷rf˙rˇmÚp | Central European DOS encoding is used instead of Windows encoding. The apply of ű is correct. |
| Quoted-printable | 7-chip ASCII | =C1RV=CDZT=DBR=D5 T=DCK=D6RF=DAR=D3G=C9P =E1rv=EDzt=FBr=F5 t=FCk=F6rf=FAr=F3g=E9p | Mainly caused by wrongly configured mail servers but may occur in SMS messages on some jail cell-phones equally well. |
| UTF-8 | Windows-1252 | ÃRVÃZTÅ°RÅ TÃœKÖRFÚRÃ"1000ÉP árvÃztűrÅ' tümörfúrókép | Mainly caused by wrongly configured web services or webmail clients, which were not tested for international usage (as the problem remains concealed for English texts). In this example the actual (often generated) content is in UTF-eight; however, information technology is not configured in the HTML headers, so the rendering engine displays it with the default Western encoding. |
Shine [edit]
Prior to the creation of ISO 8859-2 in 1987, users of various calculating platforms used their own grapheme encodings such as AmigaPL on Amiga, Atari Society on Atari ST and Masovia, IBM CP852, Mazovia and Windows CP1250 on IBM PCs. Shine companies selling early DOS computers created their own mutually-incompatible ways to encode Polish characters and but reprogrammed the EPROMs of the video cards (typically CGA, EGA, or Hercules) to provide hardware code pages with the needed glyphs for Smoothen—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 8859-2 succeeded equally the "Internet standard" with express support of the dominant vendors' software (today largely replaced by Unicode). With the numerous problems acquired by the variety of encodings, even today some users tend to refer to Smoothen diacritical characters as krzaczki ([kshach-kih], lit. "little shrubs").
Russian and other Cyrillic alphabets [edit]
Mojibake may be colloquially called krakozyabry ( кракозя́бры [krɐkɐˈzʲæbrɪ̈]) in Russian, which was and remains complicated by several systems for encoding Cyrillic.[half-dozen] The Soviet Spousal relationship and early Russian federation developed KOI encodings ( Kod Obmena Informatsiey , Код Обмена Информацией , which translates to "Lawmaking for Information Exchange"). This began with Cyrillic-only vii-bit KOI7, based on ASCII only with Latin and some other characters replaced with Cyrillic letters. And then came 8-bit KOI8 encoding that is an ASCII extension which encodes Cyrillic messages only with high-scrap ready octets corresponding to 7-bit codes from KOI7. It is for this reason that KOI8 text, even Russian, remains partially readable subsequently stripping the eighth bit, which was considered as a major advantage in the age of 8BITMIME-unaware email systems. For example, words " Школа русского языка " shkola russkogo yazyka , encoded in KOI8 and then passed through the high bit stripping process, end upwards rendered as "[KOLA RUSSKOGO qZYKA". Somewhen KOI8 gained different flavors for Russian and Bulgarian (KOI8-R), Ukrainian (KOI8-U), Belarusian (KOI8-RU) and even Tajik (KOI8-T).
Meanwhile, in the Westward, Lawmaking folio 866 supported Ukrainian and Belarusan as well as Russian/Bulgarian in MS-DOS. For Microsoft Windows, Code Page 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's languages, including all Cyrillic characters.
Before Unicode, it was necessary to lucifer text encoding with a font using the same encoding system. Failure to practice this produced unreadable gibberish whose specific appearance varied depending on the exact 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 uppercase messages (KOI8 and codepage 1251 share the aforementioned ASCII region, only KOI8 has upper-case letter 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 Www, both KOI8 and codepage 1251 were mutual. As of 2017, one can withal run across HTML pages in codepage 1251 and, rarely, KOI8 encodings, equally well as Unicode. (An estimated one.7% of all web pages worldwide – all languages included – are encoded in codepage 1251.[seven]) Though the HTML standard includes the power to specify the encoding for whatever given web folio in its source,[viii] this is sometimes neglected, forcing the user to switch encodings in the browser manually.
In Bulgarian, mojibake is often called majmunica ( маймуница ), significant "monkey's [alphabet]". In Serbian, it is chosen đubre ( ђубре ), pregnant "trash". Unlike the sometime USSR, South Slavs never used something like KOI8, and Lawmaking Folio 1251 was the dominant Cyrillic encoding there 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 like to (although incompatible with) CP866.
| Russian example: | Кракозябры ( krakozyabry , garbage characters) | |
|---|---|---|
| File encoding | Setting in browser | Result |
| MS-DOS 855 | ISO 8859-1 | Æá ÆÖóÞ¢áñ |
| KOI8-R | ISO 8859-ane | ëÒÁËÏÚÑÂÒÙ |
| UTF-8 | KOI8-R | п я─п╟п╨п╬п╥я▐п╠я─я▀ |
Yugoslav languages [edit]
Croation, Bosnian, Serbian (the seceding varieties of Serbo-Croatian language) and Slovenian add to the basic Latin alphabet the messages 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, mostly in strange names, as well). All of these letters are defined in Latin-2 and Windows-1250, while only some (š, Š, ž, Ž, Đ) be in the usual OS-default Windows-1252, and are there because of another languages.
Although Mojibake can occur with any of these characters, the letters that are non 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 basic ASCII (most user names, for example), common replacements are: š→s, đ→dj, č→c, ć→c, ž→z (capital forms analogously, with Đ→Dj or Đ→DJ depending on give-and-take case). All of these replacements introduce ambiguities, so reconstructing the original from such a course is usually done manually if required.
The Windows-1252 encoding is important because the English versions of the Windows operating arrangement are most widespread, not localized ones.[ commendation needed ] The reasons for this include a relatively small and fragmented market, increasing the price of high quality localization, a loftier caste of software piracy (in turn caused past loftier price of software compared to income), which discourages localization efforts, and people preferring English versions of Windows and other software.[ commendation 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 different localizations, using dissimilar standards and of unlike quality. There are no common translations for the vast amount of computer terminology originating in English. In the end, people use adopted English language words ("kompjuter" for "calculator", "kompajlirati" for "compile," etc.), and if they are unaccustomed to the translated terms may not understand what some option in a menu is supposed to practice based on the translated phrase. Therefore, people who understand English, besides as those who are accustomed to English language terminology (who are most, because English language terminology is also mostly 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 problem is similar to other Cyrillic-based scripts.
Newer versions of English Windows allow the lawmaking page to be changed (older versions require special English language versions with this support), but this setting can be and often was incorrectly set. For example, Windows 98 and Windows Me tin can exist gear up to nearly non-right-to-left single-byte code pages including 1250, just only 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 problem is particularly acute in the instance of ArmSCII or ARMSCII, a set of obsolete character encodings for the Armenian alphabet which take been superseded by Unicode standards. ArmSCII is not widely used considering of a lack of back up in the reckoner manufacture. For instance, Microsoft Windows does not support it.
Asian encodings [edit]
Another type of mojibake occurs when text is erroneously parsed in a multi-byte encoding, such as ane of the encodings for East Asian languages. With this kind of mojibake more than than one (typically ii) characters are corrupted at in one case, e.one thousand. "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 especially problematic for brusque words starting with å, ä or ö such as "än" (which becomes "舅"). Since 2 letters are combined, the mojibake likewise seems more than random (over l variants compared to the normal three, non counting the rarer capitals). In some rare cases, an entire text string which happens to include a pattern of particular word lengths, such as the sentence "Bush hid the facts", may be misinterpreted.
Vietnamese [edit]
In Vietnamese, the phenomenon is chosen chữ ma , loạn mã can occur when computer endeavor to encode diacritic character divers in Windows-1258, TCVN3 or VNI to UTF-eight. Chữ ma was common in Vietnam when user was using Windows XP computer or using cheap mobile telephone.
| Example: | Trăm năm trong cõi người ta (Truyện Kiều, Nguyễn Du) | |
|---|---|---|
| Original encoding | Target encoding | Issue |
| Windows-1258 | UTF-8 | Trăm năgrand trong cõi ngÆ°á»i ta |
| TCVN3 | UTF-8 | Tr¨one thousand n¨m trong câi ngêi ta |
| VNI (Windows) | UTF-8 | Traêm naêg trong coõi ngöôøi ta |
Japanese [edit]
In Japanese, the same phenomenon is, as mentioned, chosen 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 like UTF-8 and UTF-16, at that place are other standard encodings, such as Shift-JIS (Windows machines) and EUC-JP (UNIX systems). Mojibake, besides equally beingness encountered past Japanese users, is also frequently encountered by non-Japanese when attempting to run software written for the Japanese market place.
Chinese [edit]
In Chinese, the aforementioned phenomenon is called Luàn mǎ (Pinyin, Simplified Chinese 乱码 , Traditional Chinese 亂碼 , meaning 'chaotic code'), and can occur when computerised text is encoded in one Chinese character encoding but is displayed using the incorrect encoding. When this occurs, it is oft possible to fix the issue by switching the graphic symbol encoding without loss of data. The situation is complicated considering of the beingness of several Chinese grapheme encoding systems in use, the most common ones being: Unicode, Big5, and Guobiao (with several backward compatible 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 | Consequence | Original text | Annotation |
|---|---|---|---|---|
| Big5 | GB | ?T瓣в变巨肚 | 三國志曹操傳 | Garbled Chinese characters with no hint of original significant. The red character is non 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. Nigh of them are extremely uncommon and not in practical apply in modernistic 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 additional problem is caused when encodings are missing characters, which is common with rare or antiquated characters that are even so 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 )'southward "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 )'s "镕" missing in GB2312, copyright symbol "©" missing in GBK.[9]
Newspapers accept dealt with this problem in various ways, including using software to combine two existing, like characters; using a flick of the personality; or simply substituting a homophone for the rare character in the hope that the reader would be able to make the right inference.
Indic text [edit]
A similar effect can occur in Brahmic or Indic scripts of Southern asia, used in such Indo-Aryan or Indic languages equally Hindustani (Hindi-Urdu), Bengali, Punjabi, Marathi, and others, fifty-fifty if the character prepare employed is properly recognized by the application. This is considering, in many Indic scripts, the rules by which private letter symbols combine to create symbols for syllables may not exist properly understood by a computer missing the appropriate software, fifty-fifty if the glyphs for the private letter of the alphabet forms are available.
One instance of this is the onetime Wikipedia logo, which attempts to prove the character analogous to "wi" (the outset syllable of "Wikipedia") on each of many puzzle pieces. The puzzle piece meant to bear the Devanagari grapheme for "wi" instead used to display the "wa" grapheme followed by an unpaired "i" modifier vowel, easily recognizable equally mojibake generated by a computer non configured to display Indic text.[ten] The logo as redesigned as of May 2010[ref] has stock-still these errors.
The idea of Plain Text requires the operating organization to provide a font to display Unicode codes. This font is dissimilar from OS to Bone for Singhala and it makes orthographically incorrect glyphs for some letters (syllables) across all operating systems. For case, the 'reph', the short form for 'r' is a diacritic that usually goes on top of a plain letter of the alphabet. However, it is incorrect to become on top of some letters like 'ya' or 'la' in specific contexts. For Sanskritic words or names inherited by modern languages, such as कार्य, IAST: kārya, or आर्या, IAST: āryā, it is apt to put it on top of these messages. By contrast, for like sounds in modern languages which event from their specific rules, it is not put on meridian, such as the word करणाऱ्या, IAST: karaṇāryā, a stem grade of the mutual word करणारा/री, IAST: karaṇārā/rī, in the Marāthi language.[11] But it 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 (night 50) and 'u' combination and its long course both yield incorrect shapes.[ citation needed ]
Some Indic and Indic-derived scripts, most notably Lao, were not officially supported by Windows XP until the release of Vista.[12] Even so, various sites take made gratis-to-download fonts.
Burmese [edit]
Due to Western sanctions[xiii] and the late arrival of Burmese linguistic communication 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 only partially Unicode compliant.[15] In the Zawgyi font, some codepoints for Burmese script were implemented as specified in Unicode, only others were non.[sixteen] 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 just replaced the Unicode compliant arrangement fonts with Zawgyi versions.[14]
Due to these advertizing hoc encodings, communications between users of Zawgyi and Unicode would return every bit garbled text. To go around this issue, content producers would make posts in both Zawgyi and Unicode.[18] Myanmar government has designated 1 October 2019 as "U-Day" to officially switch to Unicode.[13] The total transition is estimated to take 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 Ethiopia and Eritrea, used for Amharic, Tigre, and other languages, and the Somali linguistic communication, 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 West Africa present similar problems, such as the N'Ko alphabet, used for Manding languages in Guinea, and the Vai syllabary, used in Republic of liberia.
Arabic [edit]
Another affected language is Standard arabic (meet below). The text becomes unreadable when the encodings do not match.
Examples [edit]
| File encoding | Setting in browser | Consequence |
|---|---|---|
| Arabic example: |  (Universal Declaration 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-v | 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-two | 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 commodity do not have UTF-8 equally browser setting, considering UTF-8 is hands recognisable, so if a browser supports UTF-8 it should recognise it automatically, and not try to translate something else as UTF-8.
See also [edit]
- Lawmaking bespeak
- Replacement character
- Substitute character
- Newline – The conventions for representing the line break differ between Windows and Unix systems. Though almost software supports both conventions (which is trivial), software that must preserve or display the difference (e.chiliad. version control systems and data comparison tools) can become substantially more than difficult to use if not adhering to one convention.
- Byte gild marker – The near 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 design be perceived as "garbage characters" to incompliant software (including many interpreters).
- HTML entities – An encoding of special characters in HTML, generally optional, but required for certain characters to escape estimation every bit 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 mark
"becomes",","and so on. - Bush hid the facts
References [edit]
- ^ a b Male monarch, Ritchie (2012). "Will unicode shortly exist the universal lawmaking? [The Data]". 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 Oct 2018.
- ^ "Guidelines for extended attributes". 2013-05-17. Retrieved 2015-02-15 .
- ^ "Unicode mailinglist on the Eudora e-mail customer". 2001-05-13. Retrieved 2014-11-01 .
- ^ "sms-scam". June 18, 2014. Retrieved June 19, 2014.
- ^ p. 141, Control + Alt + Delete: A Dictionary of Cyberslang, Jonathon Keats, Globe Pequot, 2007, ISBN i-59921-039-8.
- ^ "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 between Code folio 936 and Unicode. Need manually selecting GB18030 or GBK in browser to view information technology 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://marä thi.indiatyping.com/
- ^ "Content Moved (Windows)". Msdn.microsoft.com. Retrieved 2014-02-05 .
- ^ a b "Unicode in, Zawgyi out: Modernity finally catches up in Myanmar'south digital earth". The Nippon Times. 27 September 2019. Retrieved 24 December 2019.
Oct. i is "U-Day", when Myanmar officially will adopt the new system.... Microsoft and Apple helped other countries standardize years ago, just 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 2, complex scripts were supported, which made it possible for Windows to render a Unicode-compliant Burmese font such equally Myanmar1 (released in 2005). ... Myazedi, BIT, and subsequently Zawgyi, circumscribed the rendering problem by calculation extra code points that were reserved for Myanmar'southward ethnic languages. Non just does the re-mapping prevent future ethnic language support, it too results in a typing system that can exist disruptive and inefficient, even for experienced users. ... Huawei and Samsung, the 2 nearly popular smartphone brands in Myanmar, are motivated simply by capturing the largest market place share, which means they support Zawgyi out of the box.
- ^ a b Sin, Thant (7 September 2019). "Unified under 1 font system every bit Myanmar prepares to drift from Zawgyi to Unicode". Rise Voices . Retrieved 24 Dec 2019.
Standard Myanmar Unicode fonts were never mainstreamed dissimilar the private and partially Unicode compliant Zawgyi font. ... Unicode will ameliorate 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 employ to advert hoc font encodings such as Zawgyi.
- ^ LaGrow, Nick; Pruzan, Miri (September 26, 2019). "Integrating autoconversion: Facebook'due south path from Zawgyi to Unicode - Facebook Engineering". Facebook Engineering. Facebook. Retrieved 25 Dec 2019.
It makes communication 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 often post in both Zawgyi and Unicode in a unmarried post, not to mention English or other languages.
- ^ Saw Yi Nanda (21 Nov 2019). "Myanmar switch to Unicode to have two years: app developer". The Myanmar Times . Retrieved 24 December 2019.
External links [edit]
Source: https://en.wikipedia.org/wiki/Mojibake
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