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This page provides an overview of 1 article related to 'dtd'. Note that filters may be applied to display a sub-set of articles in this category (see FAQs on filtering for usage tips). Select this link to remove all filters.

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Document Type Definition (DTD) is a set of markup declarations that define a document type for SGML-family markup languages (SGML, XML, HTML). DTDs were a precursor to XML schema and have a similar function, although different capabilities. DTDs use a terse formal syntax that declares precisely which elements and references may appear where in the document of the particular type, and what the elements' contents and attributes are. DTDs also declare entities which may be used in the instance document. XML uses a subset of SGML DTD. As of 2009 newer XML Namespace-aware schema languages (such as W3C XML Schema and ISO RELAX NG) have largely superseded DTDs. A namespace-aware version of DTDs is being developed as Part 9 of ISO DSDL. DTDs persist in applications which need special publishing characters such as the XML and HTML Character Entity References, which were derived from the larger sets defined as part of the ISO SGML standard effort. (Excerpt from Wikipedia article: DTD)

Key statistics

Metadata related to 'dtd' (as derived from all content tagged with this term):

  • Number of articles referring to 'dtd': 36 (2.1% of published articles)
  • Total references to 'dtd' across all Ariadne articles: 91
  • Average number of references to 'dtd' per Ariadne article: 2.53
  • Earliest Ariadne article referring to 'dtd': 1996-01
  • Trending factor of 'dtd': 0 (see FAQs on monitoring of trends)

See our 'dtd' overview for more data and comparisons with other tags. For visualisations of metadata related to timelines, bands of recency, top authors, and and overall distribution of authors using this term, see our 'dtd' usage charts. Usage chart icon

Top authors

Ariadne contributors most frequently referring to 'dtd':

  1. jon knight (see articles on this topic by this author)
  2. judith wusteman (see articles on this topic by this author)
  3. paul miller (see articles on this topic by this author)
  4. brian kelly (see articles on this topic by this author)
  5. jeffrey rydberg-cox (see articles on this topic by this author)

Note: Links to all articles by authors listed above set filters to display articles by each author in the overview below. Select this link to remove all filters.

Titlesort icon Article summary Date

Wire: Email Interview with Traugott Koch

Traugott Koch submits to an interview by email.

January 1996, issue1, regular column

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by Dr. Radut