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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.[i] The upshot is a systematic replacement of symbols with completely unrelated ones, often from a dissimilar writing organisation.
This display may include the generic replacement character ("�") in places where the binary representation is considered invalid. A replacement can too involve multiple consecutive symbols, as viewed in one encoding, when the aforementioned binary code constitutes one symbol in the other encoding. This is either because of differing abiding length encoding (every bit in Asian 16-bit encodings vs European 8-flake encodings), or the utilize 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 dissimilar issue that is non 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. Chiefly, these replacements are valid and are the result of right 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 between the encoded information and the notion of its encoding must be preserved. As mojibake is the instance of not-compliance between these, information technology can be accomplished by manipulating the data itself, or just relabeling information technology.
Mojibake is often seen with text data that have been tagged with a wrong encoding; information technology may not even exist tagged at all, simply moved between computers with different default encodings. A major source of trouble are advice protocols that rely on settings on each figurer 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 different writing systems of human languages. Whereas Linux distributions mostly switched to UTF-8 in 2004,[two] Microsoft Windows generally uses UTF-16, and sometimes uses 8-bit lawmaking pages for text files in different languages.[ dubious ]
For some writing systems, an example being Japanese, several encodings have historically been employed, causing users to see mojibake relatively ofttimes. As a Japanese instance, the discussion 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-8 is displayed as "譁�蟄怜喧縺�" if interpreted as Shift JIS. This is further exacerbated if other locales are involved: the same UTF-8 text appears as "æ–‡å—化ã'" in software that assumes text to exist in the Windows-1252 or ISO-8859-1 encodings, unremarkably labelled Western, or (for example) as "鏂囧瓧鍖栥亼" if interpreted every bit being in a GBK (Mainland People's republic of 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-8859-1 encoding | Ê | ¸ | » | ú | ² | ½ | ¤ | ± |
| Bytes interpreted as GBK encoding | 矢 | 机 | 步 | け | ||||
Underspecification [edit]
If the encoding is not specified, it is up to the software to decide it by other means. Depending on the type of software, the typical solution is either configuration or charset detection heuristics. Both are decumbent to mis-prediction in non-so-uncommon scenarios.
The encoding of text files is afflicted by locale setting, which depends on the user'due south language, make of operating system and perchance other conditions. Therefore, the assumed encoding is systematically incorrect for files that come from a computer with a unlike setting, or even from a differently localized software within the same arrangement. For Unicode, 1 solution is to use a byte order mark, but for source lawmaking and other automobile readable text, many parsers don't tolerate this. Some other is storing the encoding as metadata in the file system. File systems that support extended file attributes tin can store this as user.charset.[3] This also 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 particular UTF-viii, at that place are many that are hard to distinguish (see charset detection). A spider web browser may not exist 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 certificate'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 too occurs when the encoding is wrongly specified. This often happens betwixt encodings that are like. For example, the Eudora email client for Windows was known to send emails labelled as ISO-8859-one that were in reality Windows-1252.[4] The Mac OS version of Eudora did not exhibit this behaviour. Windows-1252 contains extra printable characters in the C1 range (the nigh oftentimes seen being curved quotation marks and actress dashes), that were non 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 however in use, many are partially compatible with each other, with ASCII every bit the predominant mutual subset. This sets the phase for human ignorance:
- Compatibility can be a deceptive belongings, as the common subset of characters is unaffected by a mixup of ii encodings (see Bug in different writing systems).
- People think they are using ASCII, and tend to label whatever superset of ASCII they actually employ every bit "ASCII". Peradventure for simplification, but even in academic literature, the word "ASCII" can exist found used as an instance of something not compatible with Unicode, where obviously "ASCII" is Windows-1252 and "Unicode" is UTF-8.[ane] Note that UTF-8 is backwards compatible with ASCII.
Overspecification [edit]
When there are layers of protocols, each trying to specify the encoding based on different data, the to the lowest degree certain data may exist misleading to the recipient. For example, consider a web server serving a static HTML file over HTTP. The graphic symbol set may exist communicated to the client in any number of 3 ways:
- in the HTTP header. This information can be 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 announcement. This is the encoding that the author meant to save the particular file in. - in the file, as a byte gild mark. This is the encoding that the author'southward editor actually saved it in. Unless an adventitious encoding conversion has happened (by opening it in one encoding and saving it in another), this will be correct. Information technology is, notwithstanding, only available in Unicode encodings such as UTF-eight or UTF-16.
Lack of hardware or software support [edit]
Much older hardware is typically designed to support only one grapheme set and the grapheme ready typically cannot be altered. The grapheme tabular array independent inside the brandish firmware will be localized to have characters for the country 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 not 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-country basis and volition but support encoding standards relevant to the country the localized version volition 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 back up is opened.
Resolutions [edit]
Applications using UTF-8 as a default encoding may achieve a greater caste of interoperability because of its widespread utilise and backward compatibility with US-ASCII. UTF-8 as well has the power to be directly recognised by a simple algorithm, so that well written software should be able to avoid mixing UTF-eight upward with other encodings.
The difficulty of resolving an instance of mojibake varies depending on the awarding within which it occurs and the causes of it. Two of the most common applications in which mojibake may occur are spider web browsers and word processors. Modern browsers and give-and-take processors often support a wide array of character encodings. Browsers often let a user to modify 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 discover the correct encoding.
The problem gets more complicated when it occurs in an awarding that normally does non support a wide range of character encoding, such every bit in a non-Unicode reckoner game. In this case, the user must modify the operating system'southward encoding settings to lucifer that of the game. However, irresolute the arrangement-wide encoding settings can also cause Mojibake in pre-existing applications. In Windows XP or after, a user as well has the option to use Microsoft AppLocale, an awarding that allows the changing of per-application locale settings. Still, changing the operating system encoding settings is not possible on earlier operating systems such as Windows 98; to resolve this issue on earlier operating systems, a user would accept to employ third party font rendering applications.
Bug in different writing systems [edit]
English [edit]
Mojibake in English texts generally occurs in punctuation, such as em dashes (—), en dashes (–), and curly quotes (",",','), simply rarely in character text, since nearly encodings agree with ASCII on the encoding of the English alphabet. For example, the pound sign "£" will appear as "£" if it was encoded by the sender as UTF-8 but 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 acquired mismatch also for English text. Commodore brand 8-bit computers used PETSCII encoding, particularly 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 non match ASCII at all.
Other Western European languages [edit]
The alphabets of the North Germanic languages, Catalan, Finnish, German, French, Portuguese and Spanish are all extensions of the Latin alphabet. The additional characters are typically the ones that become corrupted, making texts simply 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 upper-case letter counterparts, if applicable.
These are languages for which the ISO-8859-ane graphic symbol set (also known every bit Latin 1 or Western) has been in apply. However, ISO-8859-ane has been obsoleted by two competing standards, the backward compatible Windows-1252, and the slightly altered ISO-8859-15. Both add the Euro sign € and the French œ, but otherwise whatsoever confusion of these three character sets does not create mojibake in these languages. Furthermore, it is always safe to interpret ISO-8859-ane as Windows-1252, and adequately safe to interpret it equally ISO-8859-15, in detail with respect to the Euro sign, which replaces the rarely used currency sign (¤). Nonetheless, with the advent of UTF-8, mojibake has become more than mutual in sure scenarios, e.thou. commutation of text files betwixt UNIX and Windows computers, due to UTF-eight's incompatibility with Latin-1 and Windows-1252. Merely UTF-8 has the ability to be directly recognised by a uncomplicated algorithm, so that well written software should exist able to avoid mixing UTF-8 up with other encodings, and then this was most common when many had software not supporting UTF-8. Most of these languages were supported by MS-DOS default CP437 and other machine default encodings, except ASCII, then problems when buying an operating arrangement version were less common. Windows and MS-DOS are non compatible still.
In Swedish, Norwegian, Danish and German, vowels are rarely repeated, and it is usually obvious when one graphic symbol gets corrupted, east.1000. the second letter in "kärlek" ( kärlek , "love"). This way, even though the reader has to guess betwixt å, ä and ö, most all texts remain legible. Finnish text, on the other hand, does feature repeating vowels in words similar hääyö ("wedding nighttime") which tin sometimes render text very difficult to read (e.g. hääyö appears equally "hääyö"). Icelandic and Faroese accept ten and 8 possibly misreckoning characters, respectively, which thus can make information technology more difficult to guess corrupted characters; Icelandic words like þjóðlöð ("outstanding hospitality") become most entirely unintelligible when rendered every bit "þjóðlöð".
In German, Buchstabensalat ("alphabetic character salad") is a common term for this phenomenon, and in Spanish, deformación (literally deformation).
Some users transliterate their writing when using a calculator, either by 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 language when umlauts are non available. The latter do seems to be better tolerated in the German linguistic communication sphere than in the Nordic countries. For case, in Norwegian, digraphs are associated with archaic Danish, and may be used jokingly. Yet, digraphs are useful in communication with other parts of the world. Every bit an case, the Norwegian football player Ole Gunnar Solskjær had his proper noun spelled "SOLSKJAER" on his dorsum when he played for Manchester United.
An artifact of UTF-8 misinterpreted as ISO-8859-1, "Band million nÃ¥" (" Ring 1000000 nå "), was seen in an SMS scam raging in Norway in June 2014.[5]
| Swedish example: | Smörgås (open up sandwich) | |
|---|---|---|
| File encoding | Setting in browser | Event |
| MS-DOS 437 | ISO 8859-one | Sm"rg†south |
| ISO 8859-1 | Mac Roman | SmˆrgÂs |
| UTF-8 | ISO 8859-1 | Smörgås |
| UTF-eight | Mac Roman | Smörgås |
Primal and Eastern European [edit]
Users of Central and Eastern European languages can also exist affected. Considering nearly computers were not connected to whatever network during the mid- to late-1980s, there were dissimilar character encodings for every language with diacritical characters (see ISO/IEC 8859 and KOI-8), oftentimes also varying by operating system.
Hungarian [edit]
Hungarian is some other afflicted linguistic communication, which uses the 26 basic English characters, plus the accented forms á, é, í, ó, ú, ö, ü (all present in the Latin-ane character prepare), plus the two characters ő and ű, which are not in Latin-1. These two characters can be correctly encoded in Latin-2, Windows-1250 and Unicode. Earlier Unicode became mutual in email clients, east-mails containing Hungarian text oft had the letters ő and ű corrupted, sometimes to the point of unrecognizability. It is mutual to respond to an email rendered unreadable (run into examples below) by graphic symbol mangling (referred to as "betűszemét", meaning "letter garbage") with the phrase "Árvíztűrő tükörfúrógép", a nonsense phrase (literally "Flood-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 red are wrong 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 Key European CP 852 encoding; nevertheless, the operating system, a software or printer used the default CP 437 encoding. Please annotation that small-case letters are mainly correct, exception with ő (ï) and ű (√). Ü/ü is correct considering CP 852 was fabricated compatible with German. Present occurs mainly on printed prescriptions and cheques. |
| CWI-2 | CP 437 | ÅRVìZTÿRº TÜKÖRFùRòGÉP árvíztûrô tükörfúrógép | The CWI-two encoding was designed so that the text remains adequately well-readable even if the brandish or printer uses the default CP 437 encoding. This encoding was heavily used in the 1980s and early 1990s, just present 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. But ő-Ő (õ-Õ) and ű-Ű (û-Û) are wrong, merely the text is completely readable. This is the virtually common mistake present; due to ignorance, it occurs often on webpages or even in printed media. |
| CP 852 | Windows-1250 | µRVÖZTëRŠ TšThousand™RFéRŕG P rvˇztűr‹ t one thousand"rfŁr˘g‚p | Central European Windows encoding is used instead of DOS encoding. The use of ű is right. |
| Windows-1250 | CP 852 | ┴RV═ZT█RŇ T▄KÍRF┌RËG╔P ßrvÝztűr§ tŘk÷rf˙rˇchiliadÚp | Primal European DOS encoding is used instead of Windows encoding. The apply of ű is correct. |
| Quoted-printable | 7-bit ASCII | =C1RV=CDZT=DBR=D5 T=DCChiliad=D6RF=DAR=D31000=C9P =E1rv=EDzt=FBr=F5 t=FCk=F6rf=FAr=F3g=E9p | Mainly caused past wrongly configured mail service servers but may occur in SMS letters on some jail cell-phones as well. |
| UTF-8 | Windows-1252 | ÃRVÃZTÅ°RÅ TÃœKÖRFÚRÃ"ChiliadÉP árvÃztűrÅ' tükörfúrógép | Mainly caused by wrongly configured spider web services or webmail clients, which were not tested for international usage (as the problem remains concealed for English texts). In this case the bodily (often generated) content is in UTF-eight; however, information technology is not configured in the HTML headers, and so the rendering engine displays it with the default Western encoding. |
Polish [edit]
Prior to the creation of ISO 8859-two in 1987, users of diverse calculating platforms used their own character encodings such as AmigaPL on Amiga, Atari Society 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 calculator sellers had placed them.
The situation began to improve when, after pressure from bookish and user groups, ISO 8859-2 succeeded as the "Internet standard" with limited support of the dominant vendors' software (today largely replaced by Unicode). With the numerous issues caused by the variety of encodings, even today some users tend to refer to Smoothen diacritical characters every bit krzaczki ([ˈkʂät͜ʂ.ki], lit. "piffling shrubs").
Russian and other Cyrillic alphabets [edit]
Mojibake may be colloquially chosen krakozyabry ( кракозя́бры [krɐkɐˈzʲæbrɪ̈]) in Russian, which was and remains complicated by several systems for encoding Cyrillic.[6] The Soviet Matrimony 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-scrap KOI7, based on ASCII but with Latin and some other characters replaced with Cyrillic messages. So came 8-fleck KOI8 encoding that is an ASCII extension which encodes Cyrillic letters merely with high-bit set up octets corresponding to 7-flake codes from KOI7. Information technology is for this reason that KOI8 text, fifty-fifty Russian, remains partially readable afterwards stripping the eighth bit, which was considered every bit a major reward in the age of 8BITMIME-unaware email systems. For case, words " Школа русского языка " shkola russkogo yazyka , encoded in KOI8 then passed through the high scrap stripping procedure, end up rendered as "[KOLA RUSSKOGO qZYKA". Eventually KOI8 gained unlike flavors for Russian and Bulgarian (KOI8-R), Ukrainian (KOI8-U), Belarusian (KOI8-RU) and even Tajik (KOI8-T).
Meanwhile, in the Westward, Code page 866 supported Ukrainian and Belarusian besides as Russian/Bulgarian in MS-DOS. For Microsoft Windows, Lawmaking Page 1251 added support for Serbian and other Slavic variants of Cyrillic.
Most recently, the Unicode encoding includes code points for practically all the characters of all the earth's languages, including all Cyrillic characters.
Before Unicode, information technology was necessary to match text encoding with a font using the same encoding arrangement. Failure to practice this produced unreadable gibberish whose specific appearance varied depending on the exact combination of text encoding and font encoding. For case, 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, but KOI8 has majuscule letters in the region where codepage 1251 has lowercase, and vice versa). In full general, Cyrillic gibberish is symptomatic of using the wrong Cyrillic font. During the early years of the Russian sector of the Globe Wide Web, both KOI8 and codepage 1251 were common. As of 2017, one tin can still encounter HTML pages in codepage 1251 and, rarely, KOI8 encodings, likewise every bit Unicode. (An estimated 1.seven% 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,[viii] 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, it is called đubre ( ђубре ), meaning "trash". Unlike the onetime USSR, South Slavs never used something like KOI8, and Lawmaking Page 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 ain MIK encoding, which is superficially similar to (although incompatible with) CP866.
| Russian example: | Кракозябры ( krakozyabry , garbage characters) | |
|---|---|---|
| File encoding | Setting in browser | Consequence |
| MS-DOS 855 | ISO 8859-1 | 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 seceding varieties of Serbo-Croatian language) and Slovenian add to the basic Latin alphabet the letters š, đ, č, ć, ž, and their uppercase counterparts Š, Đ, Č, Ć, Ž (only č/Č, š/Š and ž/Ž in Slovene; officially, although others are used when needed, by and large in foreign names, too). All of these letters are defined in Latin-2 and Windows-1250, while only some (š, Š, ž, Ž, Đ) be in the usual Bone-default Windows-1252, and are there because of some other languages.
Although Mojibake can occur with any of these characters, the messages 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 instance), common replacements are: š→due south, đ→dj, č→c, ć→c, ž→z (capital letter forms analogously, with Đ→Dj or Đ→DJ depending on give-and-take instance). All of these replacements innovate ambiguities, so reconstructing the original from such a class is usually done manually if required.
The Windows-1252 encoding is important considering the English versions of the Windows operating arrangement are virtually widespread, not localized ones.[ citation needed ] The reasons for this include a relatively small and fragmented market, increasing the price of high quality localization, a high degree of software piracy (in plow caused by high price of software compared to income), which discourages localization efforts, and people preferring English versions of Windows and other software.[ citation needed ]
The bulldoze to differentiate Croatian from Serbian, Bosnian from Croatian and Serbian, and now fifty-fifty Montenegrin from the other three creates many bug. 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 apply adopted English words ("kompjuter" for "figurer", "kompajlirati" for "compile," etc.), and if they are unaccustomed to the translated terms may not understand what some selection in a bill of fare is supposed to do based on the translated phrase. Therefore, people who sympathize English language, as well as those who are accustomed to English terminology (who are nearly, because English terminology is besides 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 problem is similar to other Cyrillic-based scripts.
Newer versions of English Windows allow the lawmaking folio to be inverse (older versions require special English versions with this support), only this setting can exist and oftentimes was incorrectly set. For example, Windows 98 and Windows Me can be set to virtually non-right-to-left single-byte code pages including 1250, simply merely at install time.
Caucasian languages [edit]
The writing systems of sure languages of the Caucasus region, including the scripts of Georgian and Armenian, may produce mojibake. This problem is peculiarly astute in the case of ArmSCII or ARMSCII, a set 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 estimator industry. For example, Microsoft Windows does non back up it.
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 one (typically ii) characters are corrupted at once, e.grand. "k舐lek" ( kärlek ) in Swedish, where " är " is parsed as "舐". Compared to the higher up 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 as "än" (which becomes "舅"). Since ii letters are combined, the mojibake also seems more than random (over l variants compared to the normal 3, not counting the rarer capitals). In some rare cases, an entire text string which happens to include a pattern of particular discussion lengths, such as the sentence "Bush hid the facts", may be misinterpreted.
Vietnamese [edit]
In Vietnamese, the phenomenon is chosen chữ ma , loạn mã tin occur when computer try to encode diacritic graphic symbol defined in Windows-1258, TCVN3 or VNI to UTF-viii. Chữ ma was common in Vietnam when user was using Windows XP estimator or using cheap mobile phone.
| Example: | Trăm năm trong cõi người ta (Truyện Kiều, Nguyễn Du) | |
|---|---|---|
| Original encoding | Target encoding | Result |
| Windows-1258 | UTF-8 | Trăm northwardăm trong cõi ngÆ°á»i ta |
| TCVN3 | UTF-8 | Tr¨1000 north¨m trong câi ngêi ta |
| VNI (Windows) | UTF-8 | Traêm naêm 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 different 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, equally well as being encountered past Japanese users, is as well ofttimes encountered by non-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 can occur when computerised text is encoded in i Chinese graphic symbol encoding simply is displayed using the incorrect encoding. When this occurs, it is often possible to fix the issue by switching the grapheme encoding without loss of data. The situation is complicated because of the existence of several Chinese graphic symbol encoding systems in use, the most mutual ones being: Unicode, Big5, and Guobiao (with several backward compatible versions), and the possibility of Chinese characters being encoded using Japanese encoding.
It is like shooting fish in a barrel to identify the original encoding when luanma occurs in Guobiao encodings:
| Original encoding | Viewed as | Result | 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 scarlet 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 every bit characters with the radical 亻, while kanji are other characters. Most of them are extremely uncommon and not in applied 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. Easily identifiable because of spaces between every several characters. |
An boosted problem is acquired when encodings are missing characters, which is common with rare or antiquated characters that are withal 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 )'due south "堃" and singer David Tao (Chinese: 陶喆; pinyin: Táo Zhé )'southward "喆" missing in Big5, ex-Mainland china Premier Zhu Rongji (Chinese: 朱镕基; pinyin: Zhū Róngjī )'s "镕" missing in GB2312, copyright symbol "©" missing in GBK.[9]
Newspapers take dealt with this problem in various means, including using software to combine two existing, similar characters; using a picture show of the personality; or but substituting a homophone for the rare graphic symbol in the hope that the reader would be able to make the right inference.
Indic text [edit]
A similar effect tin can occur in Brahmic or Indic scripts of Southern asia, used in such Indo-Aryan or Indic languages as Hindustani (Hindi-Urdu), Bengali, Punjabi, Marathi, and others, even if the character ready employed is properly recognized by the application. This is because, in many Indic scripts, the rules by which individual letter of the alphabet symbols combine to create symbols for syllables may not be properly understood by a figurer missing the advisable software, even if the glyphs for the individual letter forms are bachelor.
One example of this is the onetime Wikipedia logo, which attempts to bear witness the grapheme analogous to "wi" (the starting time syllable of "Wikipedia") on each of many puzzle pieces. The puzzle piece meant to bear the Devanagari grapheme for "wi" instead used to brandish the "wa" character followed past an unpaired "i" modifier vowel, hands recognizable equally mojibake generated by a computer not configured to display Indic text.[10] The logo as redesigned as of May 2010[ref] has fixed these errors.
The thought 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 information technology makes orthographically incorrect glyphs for some letters (syllables) beyond all operating systems. For instance, the 'reph', the curt class for 'r' is a diacritic that unremarkably goes on top of a plain letter. However, it is wrong to go on peak of some letters like 'ya' or 'la' in specific contexts. For Sanskritic words or names inherited past modern languages, such as कार्य, IAST: kārya, or आर्या, IAST: āryā, information technology is apt to put it on height of these letters. Past contrast, for similar sounds in modernistic languages which result from their specific rules, information technology is not put on top, such every bit the word करणाऱ्या, IAST: karaṇāryā, a stem form of the common give-and-take करणारा/री, IAST: karaṇārā/rī, in the Marāthi linguistic communication.[xi] But it happens in most operating systems. This appears to be a fault of internal programming of the fonts. In Mac Bone and iOS, the muurdhaja l (night fifty) and 'u' combination and its long form both yield wrong shapes.[ citation needed ]
Some Indic and Indic-derived scripts, well-nigh notably Lao, were not officially supported by Windows XP until the release of Vista.[12] Nevertheless, various sites take made free-to-download fonts.
Burmese [edit]
Due to Western sanctions[xiii] and the tardily arrival of Burmese linguistic communication 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 simply was in fact but partially Unicode compliant.[15] In the Zawgyi font, some codepoints for Burmese script were implemented every bit specified in Unicode, just others were non.[16] The Unicode Consortium refers to this as ad hoc font encodings.[17] With the advent of mobile phones, mobile vendors such as Samsung and Huawei only replaced the Unicode compliant organization fonts with Zawgyi versions.[14]
Due to these ad hoc encodings, communications between users of Zawgyi and Unicode would render as garbled text. To become effectually this issue, content producers would brand posts in both Zawgyi and Unicode.[eighteen] Myanmar government has designated 1 October 2019 as "U-Solar day" to officially switch to Unicode.[13] The full transition is estimated to take 2 years.[nineteen]
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 equally 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, but these are not generally supported. Various other writing systems native to West Africa present similar problems, such as the North'Ko alphabet, used for Manding languages in Republic of guinea, and the Vai syllabary, used in Republic of liberia.
Standard arabic [edit]
Another afflicted language is Arabic (see below). The text becomes unreadable when the encodings exercise not match.
Examples [edit]
| File encoding | Setting in browser | Result |
|---|---|---|
| Arabic example: |  (Universal Declaration of Man Rights) | |
| Browser rendering: | الإعلان العالمى لحقوق الإنسان | |
| UTF-viii | 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-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 take UTF-8 every bit browser setting, because UTF-8 is hands recognisable, and then if a browser supports UTF-viii it should recognise it automatically, and not effort to interpret something else equally UTF-8.
Run into too [edit]
- Code bespeak
- Replacement character
- Substitute character
- Newline – The conventions for representing the line break differ between Windows and Unix systems. Though near software supports both conventions (which is trivial), software that must preserve or display the difference (e.grand. version control systems and data comparison tools) can get substantially more difficult to utilise if not adhering to one convention.
- Byte order mark – The most in-band way to store the encoding together with the information – prepend it. This is past intention invisible to humans using compliant software, but will past design exist perceived as "garbage characters" to incompliant software (including many interpreters).
- HTML entities – An encoding of special characters in HTML, mostly optional, simply 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 then on. - Bush-league hid the facts
References [edit]
- ^ a b King, Ritchie (2012). "Will unicode soon be the universal code? [The Data]". IEEE Spectrum. 49 (7): lx. doi:x.1109/MSPEC.2012.6221090.
- ^ WINDISCHMANN, Stephan (31 March 2004). "curl -5 linux.ars (Internationalization)". Ars Technica . Retrieved 5 October 2018.
- ^ "Guidelines for extended attributes". 2013-05-17. Retrieved 2015-02-15 .
- ^ "Unicode mailinglist on the Eudora e-mail client". 2001-05-thirteen. Retrieved 2014-eleven-01 .
- ^ "sms-scam". June 18, 2014. Retrieved June xix, 2014.
- ^ p. 141, Control + Alt + Delete: A Dictionary of Cyberslang, Jonathon Keats, Globe Pequot, 2007, ISBN i-59921-039-viii.
- ^ "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 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'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 upwards in Myanmar'due south digital earth". The Nihon Times. 27 September 2019. Retrieved 24 December 2019.
October. one is "U-24-hour interval", when Myanmar officially will adopt the new arrangement.... Microsoft and Apple helped other countries standardize years agone, but Western sanctions meant Myanmar lost out.
- ^ a b Hotchkiss, Griffin (March 23, 2016). "Battle of the fonts". Borderland Myanmar . Retrieved 24 December 2019.
With the release of Windows XP service pack two, circuitous scripts were supported, which made information technology possible for Windows to return a Unicode-compliant Burmese font such equally Myanmar1 (released in 2005). ... Myazedi, Bit, and subsequently Zawgyi, circumscribed the rendering problem by adding extra code points that were reserved for Myanmar's ethnic languages. Not merely does the re-mapping foreclose future indigenous linguistic communication support, it also results in a typing organization that can be confusing and inefficient, even for experienced users. ... Huawei and Samsung, the 2 most popular smartphone brands in Myanmar, are motivated only 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 drift from Zawgyi to Unicode". Rising Voices . Retrieved 24 December 2019.
Standard Myanmar Unicode fonts were never mainstreamed unlike the private and partially Unicode compliant Zawgyi font. ... Unicode will amend natural language processing
- ^ "Why Unicode is Needed". Google Code: Zawgyi Projection . Retrieved 31 October 2013.
- ^ "Myanmar Scripts and Languages". Ofttimes Asked Questions. Unicode Consortium. Retrieved 24 December 2019.
"UTF-8" technically does not utilise to advertising hoc font encodings such as Zawgyi.
- ^ LaGrow, Nick; Pruzan, Miri (September 26, 2019). "Integrating autoconversion: Facebook'south path from Zawgyi to Unicode - Facebook Engineering". Facebook Engineering science. Facebook. Retrieved 25 December 2019.
It makes communication on digital platforms hard, as content written in Unicode appears garbled to Zawgyi users and vice versa. ... In order to meliorate reach their audiences, content producers in Myanmar often post in both Zawgyi and Unicode in a single post, non 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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