The meaning of XML

Recently, we have seen the acronym XML in many publications both at home and abroad.

The full name of XML is Extensible Markup Language. From an academic perspective, XML is a meta language, which is the language of the production language. XML is the successor language of SGML (Standard Universal Edition Language). It is not a successor language to HTML (hypertext group language). Use XML to create the language of the content you want to express, and express it in its language. Just using XML makes no sense. If you do not use XML-produced languages, you cannot exchange information. XML is further divided into the use of paperwork and the use of data. In general, the use of the former is less. XML can also handle abstract information and specific information. SGML basically handles abstract information. Usually it is used according to the style sheet to print format information. That is to say, the abstract information and the specific print format information can be expressed in XML. The XML is in Uncode Encoding) is premised and can only handle Uncode text. It can be said that XML is Plaintext in the new century. In view of the above explanation, XML's function as a component language has gone beyond SGML, so it can be translated into an extensible group language.

Incidentally, we must pay attention to the addition of a c-letter to cXML in front of XML. This is the abbreviation of commercial XML, which refers to the commercially available expanded version of the language.

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