Does Mozilla Firefox use open or closed standards?

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Tags

1. #foundation
2. #source
3. #subsidiary
4. #layout
5. #available
6. #mozilla
7. #gecko
8. #corporation
9. #simply
10. #implements
11. #standards
12. #pages
13. #anticipated
14. #browser
15. #android
16. #sibling
17. #which
18. #firefox
19. #current
20. #render
21. #developed
22. #engine