What is the purpose of using the w3c validator?

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Tags

1. #check
2. #documents
3. #pages
4. #service
5. #markup
6. #users
7. #consortium
8. #validation
9. #validator
10. #world
11. #important
12. #ensuring
13. #xhtml
14. #internet
15. #quality
16. #formed
17. #allows
18. #technical
19. #towards