Cryptic crossword

ACROSS

1. Slowly feed the mind with its nil outcome (6)

4. The appropriate professional for each (6) 9. Document an embassy official didn’t finish (7)

10. Pain in the gut to cool with nothing less than endless ice (5) 11. Prepare course for an explorer (4)

12. If a learner driver is weaving about, don’t pass him (4) 13. Dance on which one doesn’t expect to be caught (3) 15. Very small return it makes to New York (4) 16. Regularly took drugs, being experienced (4)

19. Pinch Prohibition back (3)

21. Mathematical function of a radical (4)

22. Storage place where one can drink nectar first (4)

24. A bit one included in backbone separately (5)

25. As a writer she’d make it brighter (7)

26. How sweet-toned Elsie sounds in a piece for two (6) 27. It counts the inhabitants with cues which might include poles (6)

DOWN

1. Instructed in the principles of direction − and about time! (13) 2. Back-up of kind pup may be involved in (7)

3. An element, as found in laundry utensil (4)

5. Like a daredevil not to matter so much (8)

6. Infant’s wrap to clip up with brooch finally (5)

7. They greet guests or inspect ties put out for them (13) 8. Waterway in American alluvial system (5)

14. Get more cranes, maybe: that’s about it (8)

17. Artists’ knickers? (7)

18. Perhaps pays to include nothing with suds (5)

20. Scene of confusion with infant starting lunch (5)

23. Give way to some precedence (4)