Document Type Definition
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set of markup declarations that define a document type for an SGML-family markup language
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- Stack Exchange tag
- stackoverflow.com/tags/dtd
- file extension
- dtd
- media type
- application/xml-dtd
- P13411
- Cervelle de canut
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A document type definition (DTD) is a specification file that contains a set of markup declarations that define a document type for an SGML-family markup language (GML, SGML, XML, HTML). The DTD specification file can be used to validate documents.
A DTD defines the valid building blocks of an XML document. It defines the document structure with a list of validated elements and attributes. A DTD can be declared inline inside an XML document, or as an external reference.
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Extensible HyperText Markup Language
Entity
Uniform Resource Identifier
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XML schema
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HTML
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International Standard Book Number
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Q698
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web browser
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International Organization for Standardization
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XML
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Internet Explorer
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Q11255
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Q2078
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Q5289
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GIF
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markup language
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denial-of-service attack
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data type
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Semantic Web
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Standard Generalized Markup Language
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text file
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