Transcription of XML Basics1 1 Introducing XML - Brooklyn College
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XML Basics1 1 Introducing XML - Brooklyn College
CSc31800: Internet Programming, CS-CCNY, Spring 2004 Jinzhong Niu May 14, 2004 XML Basics11 Introducing What is XML?XML stands for eXtensibleMarkupLanguage. It is a markup language much like HTML, butthere are several differences between them: HTML includes a collection of predefined tags that you can use right away in editingyour HTML files, <font>and<h1>, but XML tags are not use XML, users have to define their own tags for their specific application before usingthem. For example, to describe a note,<note>,<to>,<from>,<heading>, and<body>are defined in advance and used in a nested fashion to present the following XML file asa note:<note> <to>Tove</to> <from>Jani</from> <heading>Reminder</heading> <body>Don t forget the party!
ically XML uses Document Type Definition (DTD) or an XML Schema to define tags. In this sense, XML is viewed as a meta-language since it can be used to define and de-scribe a markup language instead of concrete data directly. That is also why it is called extensible. • XML was designed to describe data while HTML was designed for ...
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