IMP

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Across
  1. 4. Edge of sun malady (11)
  2. 6. Was going to be called NIPH (5)
  3. 7. A chip (9)
  4. 8. An oracle of personal information (4)
  5. 9. A Guardian (8)
  6. 14. not on the up (6)
  7. 16. Once more (6)
  8. 18. unnaturally clever (10,10)
  9. 21. Not NAND malady (9)
  10. 22. Microsoft application (5)
Down
  1. 1. Not only fat (10)
  2. 2. the secretary (5)
  3. 3. Information relating to a subject (8,4)
  4. 5. Pastry in cash (8)
  5. 10. Climate change beater (9)
  6. 11. bothersome telephony (8,4)
  7. 12. First (6)
  8. 13. Requires 20 days in Scotland (3,6)
  9. 15. New location (5,5)
  10. 17. Allow (7)
  11. 19. Not to kill (4)
  12. 20. A location for information (5)