🌐EnglishEnglishDeutschEspañolFrançaisPortuguêsTürkçeРусскийفارسی한국어中文日本語EntityQ5372118· pop 18· linked from 83 articlesDocument Type DeclarationAlso known as DOCTYPE, <!DOCTYPE>instruction that associates a particular SGML or XML document with a document type definition (DTD)Available in 13 languagesEspañolFrançais日本語РусскийPortuguêsCzechHebrewHungarianSerbianTürkçeفارسیConnectionsWorld Wide Web ConsortiumEntityHTML5EntityCategoriesSGMLXML-based standards