Is xhtml the same as XML?

Related questions

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3. What is xhtml strict?
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6. What is the difference between xhtml and html5?
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Tags

1. #markup
2. #provides
3. #encoding
4. #structuring
5. #extensible
6. #documents
7. #these
8. #structure
9. #creating
10. #language
11. #which
12. #function
13. #xhtml
14. #based
15. #serves
16. #rules