The Extensible Markup Language (XML) is a W3C-recommended general-purpose markup language for creating special-purpose markup languages, capable of describing many different kinds of data. In other words XML is a way of describing data and an XML file can contain the data too, as in a database. It is a simplified subset of Standard Generalized Markup Language (SGML). Its primary purpose is to facilitate the sharing of data across different systems, particularly systems connected via the Internet. Languages based on XML (for example, Geography Markup Language (GML), RDF/XML, RSS, Atom, MathML, XHTML, SVG,Klip and MusicXML) are defined in a formal way, allowing programs to modify and validate documents in these languages without prior knowledge of their particular form.

History

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The versatility of SGML for dynamic information display was understood by early digital media publishers in the late 1980s prior to the rise of the internet. By the mid-1990s some practitioners of SGML had gained experience with the then-new World Wide Web, and believed that SGML offered solutions to some of the problems the Web was likely to face as it grew. Dan Connolly added SGML to the list of W3C's activities when he joined the staff in 1995; work began in mid-1996 when Jon Bosak developed a charter and recruited collaborators. Bosak was well-connected in the small community of people who had experience both in SGML and the Web. He received support in his efforts from Microsoft.

XML was designed by an eleven-member working group, supported by an (approximately) 150-member Interest Group. Technical debate took place on the Interest Group mailing list and issues were resolved by consensus or, when that failed, majority vote of the Working Group. The decision record was compiled by Michael Sperberg-McQueen 4 December 1997. James Clark served as Technical Lead of the Working Group, notably contributing the empty-element "" syntax and the name "XML". Other names that had been put forward for consideration included "MAGMA" (Minimal Architecture for Generalized Markup Applications), "SLIM" (Structured Language for Internet Markup) and "MGML" (Minimal Generalized Markup Language). The co-editors of the specification were originally Tim Bray and Michael Sperberg-McQueen. Halfway through the project Bray accepted a consulting engagement with Netscape, provoking vociferous protests from Microsoft. Bray was temporarily asked to resign the editorship. This led to intense dispute in the Working Group, eventually solved by the appointment of Microsoft's Jean Paoli as a third co-editor.

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@wycats using freemarker to generate xml beats this any day. but i do not blame the tools, its the smithies that make em look bad
deepfryed (bharanee rathna) Thu, 17 Dec 2009 21:47:35 -0000
@wycats using freemarker to generate xml beats this any day. but i do not blame the tools, its the smithies that make em look bad
@rburton I guess we can create another DatabasePersistencePlugin Impl and supply that in the ejb-deployer.xml #jboss #soa
vratnagiri (Vijay Ratnagiri) Thu, 17 Dec 2009 21:44:30 -0000
@rburton I guess we can create another DatabasePersistencePlugin Impl and supply that in the ejb-deployer.xml #jboss #soa
RT @mightymur: RT @pablod: Hey, are you an XML badass? I'm looking to hire for a short yet lucrative gig for January. Hit me up if you'd ...
AngelaWilson (AngelaWilson) Thu, 17 Dec 2009 21:42:15 -0000
RT @mightymur: RT @pablod: Hey, are you an XML badass? I'm looking to hire for a short yet lucrative gig for January. Hit me up if you'd ...
RT @pablod: Hey, are you an XML badass? I'm looking to hire for a short yet lucrative gig for January. Hit me up if you'd like in.
lisaspindler (lisaspindler) Thu, 17 Dec 2009 21:41:25 -0000
RT @pablod: Hey, are you an XML badass? I'm looking to hire for a short yet lucrative gig for January. Hit me up if you'd like in.
http://superatletica.ya.ru/replies.xml?item_no=329 Система кондиционирования
srege (sreg) Thu, 17 Dec 2009 21:41:19 -0000
http://superatletica.ya.ru/replies.xml?item_no=329 Система кондиционирования
RT @pablod: Hey, are you an XML badass? I'm looking to hire for a short yet lucrative gig for January. Hit me up if you'd like in.
mightymur (Mur Lafferty) Thu, 17 Dec 2009 21:41:07 -0000
RT @pablod: Hey, are you an XML badass? I'm looking to hire for a short yet lucrative gig for January. Hit me up if you'd like in.

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