What are the advantages of virtual reality XML?

⑴xml to follow strict grammatical requirements. If there is a slightest error in the syntax, the parser stops further processing of it and, accordingly, you do not see any display information except for the error message.
⑵xml allows various professions (such as music, chemistry, mathematics, etc.) to develop markup languages related to their particular domain.
⑶xml's greatest energy source is that it not only allows you to define your own set of tags, but they do not have to be limited to the description of the display format. XML allows you to make tags based on a variety of rules, such as according to a business rule, or even based on data relationships.
⑷ because XML is proprietary and easy to read and write, it makes it an ideal format for exchanging data between different applications.
⑸ because tags are meaningful, users can still easily understand XML documents even after a long time.
⑹xml is an open standard based on the custom of the universal, which makes the application based on XML extensive.
⑺ on the Internet if the Web page is in XML format, the search is more efficient and can not only search data, but also include contextual information related to the data in the search, thus creating a more accurate search mechanism.