Introduction - XML Tutorial

Introduction - XML TutorialHome : Tutorials : XML Tutorial Introduction 1986: SGML ISO 8879-1986Nov 1995: HTML 2.0 Nov 1996: Simplified and stripped down SGML draft (dubbed XML)Introduction Some facts Jan 1997: HTML 3.2 Structure Markup Aug 1997: XML working draft Tags Character Data Dec 1997: XML 1.0 proposed recommendation HTML 4.0 RecommendationDocuments Jan 1998: XML Well Formed XML Valid XML Feb 1999: XHTML ParseSGMLProlog Comments Processing Instructions In 1986 the Standard Generalized Markup Language (SGML) became an international Version Declaration standard for defining descriptions of the structure and content of different types of Document Type Declaration electronic documents. SGML, the "mother tongue" of HTML and XML, is used for describing thousands of different document types in many fields of human activity, from DTD transcription of ancient Sumerian tablets to the technical documentation for Elements stealbombers, and from patient's clinical records to musical notations. Attributes Entities SGML has withstood the test of time. Its popularity is rapidly increasing among organizations with large amounts of document data to create, manage, and distribute Other as in the Defense, Aerospace, Semiconductor and Publishing industries. However, CDATA Sections various barriers exist to delivering SGML over the Web. These ...