XML Introduction - W3Schools
https://www.w3schools.com/XML/xml_whatis.asp
WEBXML Introduction - W3Schools Introduction to XML is a webpage that explains the basics of XML, its syntax, rules, and benefits. It also shows you how to create and display XML documents using HTML, CSS, and JavaScript. If you want to learn more about XML and how to use it on the web, this is the webpage for you.
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