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About / F.A.Q.
> Standards and Specification > Extensible Markup Language
Extensible Markup Language
Abbreviation: XML
Scope: Meta language for Creating Markup Languages
Topic: Meta Language
Standard body: W3C
Description:

The Extensible Markup Language (XML) is a meta language specified by a W3C recommendation, containing both a syntax for describing and serializing data objects called XML documents (or XML instances) and a formalism for describing document grammars (DTD). XML is a restricted form, a subset of the Standard Generalized Markup Language (SGML), since the addition of the annexes K (normative) and L (informative) which are part of the technical corrigendum 2 (TC 2) of ISO 8879, the ISO standard that defines SGML.

Related Standard(s):
Other standards in the same topic(s):

Abbreviation: XML-1998 [not official, only for reference in this website]
Version Number: 1.0
Status: W3C Recommendation
Release Date: 1998-02-10
Editor:
  1. Tim Bray
  2. Jean Paoli
  3. C. M. Sperberg-McQueen
URL(s): http://www.w3.org/TR/1998/REC-xml-19980210
Related Standard(s):
Abbreviation: XML-2000 [not official, only for reference in this website]
Version Number: 1.0Second Edition
Status: W3C Recommendation
Release Date: 2000-10-06
Editor:
  1. Tim Bray
  2. Jean Paoli
  3. C. M. Sperberg-McQueen
  4. Eve Maler
URL(s): http://www.w3.org/TR/2000/REC-xml-20001006
Related Standard(s):
  • SGML

    XML 1.0 is a subset of SGML.

  • XML-1998

    XML 1.0 Second Edition is a refined version of XML 1.0.

Abbreviation: XML-2004 [not official, only for reference in this website]
Version Number: 1.0Third Edition
Status: W3C Recommendation
Release Date: 2004-02-04
Editor:
  1. Tim Bray
  2. Jean Paoli
  3. C. M. Sperberg-McQueen
  4. Eve Maler
  5. François Yergeau
URL(s): http://www.w3.org/TR/2004/REC-xml-20040204/
Related Standard(s):
  • SGML

    XML 1.0 is a subset of SGML.

  • XML-1998

    XML 1.0 Third Edition is a refined version of XML 1.0.

Abbreviation: XML-2006 [not official, only for reference in this website]
Version Number: 1.0Fourth Edition
Status: W3C Recommendation
Release Date: 2006-08-16
Editor:
  1. Tim Bray
  2. Jean Paoli
  3. C. M. Sperberg-McQueen
  4. Eve Maler
  5. François Yergeau
URL(s): http://www.w3.org/TR/2006/REC-xml-20060816/
Related Standard(s):
  • SGML

    XML 1.0 is a subset of SGML.

  • XML-1998

    XML 1.0 Fourth Edition is a refined version of XML 1.0.

Abbreviation: XML-2008 [not official, only for reference in this website]
Version Number: 1.0Fifth Edition
Status: W3C Recommendation
Release Date: 2008-11-26
Editor:
  1. Tim Bray
  2. Jean Paoli
  3. C. M. Sperberg-McQueen
  4. Eve Maler
  5. François Yergeau
URL(s): http://www.w3.org/TR/2008/REC-xml-20081126/
Related Standard(s):
  • SGML

    XML 1.0 is a subset of SGML.

  • XML-1998

    XML 1.0 Fifth Edition is a refined version of XML 1.0.

Used in CLARIN centre(s):
Abbreviation: XML-2004 [not official, only for reference in this website]
Version Number: 1.1
Status: W3C Recommendation
Release Date: 2004-02-04
Editor:
  1. Tim Bray
  2. Jean Paoli
  3. C. M. Sperberg-McQueen
  4. Eve Maler
  5. François Yergeau
  6. John Cowan
Description:

Whereas XML 1.0 provided a rigid definition of names, wherein everything that was not permitted was forbidden, XML 1.1 names are designed so that everything that is not forbidden (for a specific reason) is permitted. Since Unicode will continue to grow past version 4.0, further changes to XML can be avoided by allowing almost any character, including those not yet assigned, in names.

URL(s): http://www.w3.org/TR/2004/REC-xml11-20040204/
Related Standard(s):
  • XML-1998

    XML 1.1 is a refined version of XML 1.0.

  • XML-2006
Abbreviation: XML-2006 [not official, only for reference in this website]
Version Number: 1.1Second Edition
Status: W3C Recommendation
Release Date: 2006-08-16
Editor:
  1. Tim Bray
  2. Jean Paoli
  3. C. M. Sperberg-McQueen
  4. Eve Maler
  5. François Yergeau
  6. John Cowan
URL(s): http://www.w3.org/TR/2006/REC-xml11-20060816/
Related Standard(s):
  • XML-2004

    XML 1.1 Second Edition is a refined version of XML 1.1.

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Version ID: 9616381