Introduction

update time：2017-02-11

In electronic computers, tags refer to information symbols that computers can understand. Through such tags, computers can process various information such as articles, etc. It can be used to mark data and define data types. It is a source language that allows users to define their own markup language. It is ideally suited for World Wide Web transport, providing a unified approach to describing and exchanging structured data independent of applications or vendors. It is a cross-platform, content-dependent technology in the Internet environment, and it is also an effective tool for processing distributed structured information today. As early as 1998, W3C released the XML1.0 specification, using it to simplify the transmission of document information on the Internet.

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