XML——新的Web开发工具

XML A NEW WEB DEVELOPER TOOL

ＸＭＬ（ＥｘｔｅｎｓｉｂｌｅＭａｒｋｕｐＬａｎｇｕａｇｅ，可扩展标签语言）是当前Ｗｅｂ技术领域的热点，它源于ＳＧＭＬ（ＳｔａｎｄａｒｄＧｅｎｅｒａｌｉｚｅｄＭａｒｋｕｐＬａｎｇｕａｇｅ，标准通用标签语言），是ＳＧＭＬ的一个子集。文中，介绍了ＸＭＬ的起源和特点，给出一个示例说明怎样书写ＸＭＬ文档，并简要介绍ＸＭＬ的应用和未来。

XML(Extensible Markup Language) is derived from (and is technically a subset of) the Standard Generalized Markup Language (SGML). SGML is a big, complicated ISO standard that has been used to define HTML and lots of other languages. XML is designed to do some jobs that HTML isn′t built to handle but that really need doing.In this article, we will introduce you where XML came from and it′s characteristics.We will also give a example to tell you how to write XML document and take some guesses of its applications and future.