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In computer programming, digraphs and trigraphs are sequences of two and three characters, respectively, that appear in source code and, according to a programming language's specification, should be treated as if they were single characters. Various reasons exist for using digraphs and trigraphs: keyboards may not have keys to cover the entire character set of the language, input of special characters may be difficult, text editors may reserve some characters for special use and so on. Trigraphs might also be used for some EBCDIC code pages that lack characters such as { and }.

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  • In computer programming, digraphs and trigraphs are sequences of two and three characters, respectively, that appear in source code and, according to a programming language's specification, should be treated as if they were single characters. Various reasons exist for using digraphs and trigraphs: keyboards may not have keys to cover the entire character set of the language, input of special characters may be difficult, text editors may reserve some characters for special use and so on. Trigraphs might also be used for some EBCDIC code pages that lack characters such as { and }. (en)
  • En informática, dígrafos y trígrafos son la secuencia de 2 y 3 caracteres respectivamente, los cuales aparecen en el código fuente de un programa en el cual el lenguaje de programación trata a dicha secuencia de caracteres (dígrafo o trígrafo) como si fuera sólo uno. Existen varias razones para el uso de trígafos y dígrafos: algunos teclados pueden no contener todo el juego de caracteres del lenguaje, el ingreso de caracteres especiales puede que sea dificultoso, algunos editores de texto puede que reserven algunos caracteres para un uso especial, algunas páginas de código EBCDIC no soportan caracteres como { y }, etc. (es)
  • In programmazione, digrammi e trigrammi sono sequenze di due o tre caratteri, rispettivamente, che appaiono nel codice sorgente e, secondo le specifiche di un linguaggio di programmazione, dovrebbero essere trattati come se fossero caratteri singoli. Esistono vari motivi per utilizzare digrammi e trigrammi: le tastiere potrebbero non avere tasti per coprire l'intero set di caratteri della lingua, l'inserimento di caratteri speciali potrebbe essere difficile, gli editor di testo potrebbero riservare alcuni caratteri per usi speciali e così via. I trigrammi potrebbero essere usati anche per alcune EBCDIC che mancano di caratteri come { e }. (it)
  • 三字符组(trigraph)与双字符组(Digraph)是程序设计语言(如C语言)中3个或者2个字符的序列,在编译器预扫描源程序时被替换为单个字符。以解决某些键盘不能输入某些编程必须的字符问题。 (zh)
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  • May 2019 (en)
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  • In computer programming, digraphs and trigraphs are sequences of two and three characters, respectively, that appear in source code and, according to a programming language's specification, should be treated as if they were single characters. Various reasons exist for using digraphs and trigraphs: keyboards may not have keys to cover the entire character set of the language, input of special characters may be difficult, text editors may reserve some characters for special use and so on. Trigraphs might also be used for some EBCDIC code pages that lack characters such as { and }. (en)
  • 三字符组(trigraph)与双字符组(Digraph)是程序设计语言(如C语言)中3个或者2个字符的序列,在编译器预扫描源程序时被替换为单个字符。以解决某些键盘不能输入某些编程必须的字符问题。 (zh)
  • En informática, dígrafos y trígrafos son la secuencia de 2 y 3 caracteres respectivamente, los cuales aparecen en el código fuente de un programa en el cual el lenguaje de programación trata a dicha secuencia de caracteres (dígrafo o trígrafo) como si fuera sólo uno. (es)
  • In programmazione, digrammi e trigrammi sono sequenze di due o tre caratteri, rispettivamente, che appaiono nel codice sorgente e, secondo le specifiche di un linguaggio di programmazione, dovrebbero essere trattati come se fossero caratteri singoli. (it)
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  • Dígrafos y trígrafos (es)
  • Digraphs and trigraphs (en)
  • Digrammi e trigrammi (it)
  • 三字符组与双字符组 (zh)
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