Complete
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7 14 19 1 9 12 21 2 15 3 11 20 10 4 18 16 5 8 13 6 17
  1. 1 a Small change to achieve a desired result (10)
  2. 7 a Women's hat maker (8)
  3. 8 a Repast (4)
  4. 9 a Front part of the leg above the ankle (4)
  5. 10 a Computer operating system with a graphical user interface (7)
  6. 12 a Delighted interest (11)
  7. 14 a Hung (7)
  8. 16 a Street of houses formerly used as stables (4)
  9. 19 a Subdued — spineless (4)
  10. 20 a Open to suggestion (8)
  11. 21 a Formed into a whole (10)
  12. 1 d First sign of the zodiac (5)
  13. 2 d Celebratory parties (7)
  14. 3 d Sound in mind (4)
  15. 4 d Borderline (8)
  16. 5 d Member of a wandering pastoral community (5)
  17. 6 d Author of On the Origin of Species, d.1882 (6)
  18. 11 d Free (8)
  19. 12 d Large container for serving drink (6)
  20. 13 d Approximate (7)
  21. 15 d Hit it off (3,2)
  22. 17 d Cold dish of vegetables (5)
  23. 18 d Grazing animal(s) (4)

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