XML

XML (Extensible Markup Language)



What is eXtensible Markup Language (XML) ?

• is a set of rules for encoding documents in machine-readable form.
• is a simple, very flexible text format derived from SGML (ISO 8879).
• a subset of SGML that is completely described in this document.

XML has been designed for ease of implementation and for interoperability with both SGML and HTML.

GOAL
Its goal is to enable generic SGML to be served, received, and processed on the Web in the way that is now possible with HTML.

1. XML shall be straightforwardly usable over the Internet.

2. XML shall support a wide variety of applications.

3. XML shall be compatible with SGML.

4. It shall be easy to write programs which process XML documents.

5. The number of optional features in XML is to be kept to the absolute minimum, ideally zero.

6. XML documents should be human-legible and reasonably clear.

7. The XML design should be prepared quickly.

8. The design of XML shall be formal and concise.

9. XML documents shall be easy to create.

10. Terseness in XML markup is of minimal importance.

Other Post :

• XSL
• XSLT
• XML Stylesheet