What is the advantage of Unicode over ascii?

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Tags

1. #vastly
2. #enumerate
3. #takes
4. #least
5. #range
6. #memory
7. #character
8. #alphabet
9. #alphabetic
10. #ascii
11. #larger
12. #disadvantage
13. #roman
14. #symbols
15. #though
16. #because
17. #unicode
18. #store
19. #twice
20. #bytes