Is XML a markup language?

Related questions

1. Why do we need XML?
2. Can Notepad ++ Open XML?
3. What is XML developer?
4. What program reads XML files?
5. What's an XML file?
6. What is data XML?
7. What is XML format example?
8. What are XML applications?
9. Is XML a programming language?
10. Which software is used for XML?

Tags

1. #several
2. #rules
3. #standards
4. #specification
5. #human
6. #define
7. #encoding
8. #extensible
9. #machine
10. #related
11. #format
12. #other
13. #readable
14. #defines
15. #markup
16. #documents
17. #specifications
18. #language