🌐EnglishEnglishDeutschFrançaisNederlandsPortuguêsРусскийEntityQ1644674· pop 7· linked from 105 articlesVan Wijngaarden grammarone of the two main notation techniques for context-free grammars in computer scienceAvailable in 7 languagesFrançaisDeutschРусскийPortuguêsCroatianNederlandsvia Wikidata sitelinks · CC0ConnectionsQ81571Entitycompiler-compilerEntityCategoriesCompiler constructionDutch inventionsFormal languagesParsing