Xmas

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Across
  1. 3. Herr bulbous (2,6)
  2. 5. National treasure’s precipitous seaside formation Nixons first (5,7)
  3. 8. Trough for spy boss and broken range.
  4. 10. lights Sprite zero or max (5,6)
  5. 11. Let sin deranged adornment (6)
  6. 12. chuck on? (4)
  7. 16. Green light for cartographers on empty game? (5)
  8. 17. Soldiers accompaniment yet in Dutch drink.
  9. 18. Singalong used to be a jib. (7)
  10. 19. Not max porcini, in other words a sweet treat (5,3)
  11. 20. Bank getting some shut eye. (4)
  12. 22. Informal Magna Carta king gets one in sums when a child is born.
  13. 24. Turing perhaps? (6)
Down
  1. 1. parasite fog allows royal me without north (9)
  2. 2. Sweet for naughty boy (5,4)
  3. 4. Blast any dog bix for alms.
  4. 6. fideles Upset seated Castro with headless Dawson gives us a tune (6,7)
  5. 7. now found under tree? (7)
  6. 9. Jolly tune heard assassination with the sound of Vectian port (6,4)
  7. 12. Inmate, Kipling asks hesitantly. (7)
  8. 13. Heard plaintive ode in French flicks (10)
  9. 14. Crazed, violently they had hydrogenated carol (3,5,3,3,3)
  10. 15. sly extremes surround currently comical canine companion (5)
  11. 21. Hark thrice a weeder (2,2,2)
  12. 23. Postgrad conscript pilgrims (4)