Cryptic crossword

ACROSS

1. The French word and the Spanish replacement of coaching inn (5)

4. Furious at it being replaced in old French money (7) 8. How to prepare man for starring role at altar (5) 9. Superficial look of a champion rider of the waves (7) 10. Work unit is engaged in further graphics (3)

11. Tap spring and produce ornamentation (9)

12. Two prepositions get together between divisor and dividend (4)

13. It may be compact layer of fibrocartilage (4) 18. A dark horse makes one unpleasantly aware of being asleep (9)

20. Chew it, and keep on arguing! (3)

21. It’s the opposite way to move back (7) 22. One should avoid such a trick of the trade (5) 23. Gather it might 15 after hydrogen (7) 24. Bird-songs don’t start in streams (5)

DOWN

1. Pole that manifests no little attraction (8,5)

2. Had an idea? (7)

3. Within which it is reasonable to be bound (6)

4. Calf is disjointed where revenue is concerned (6) 5. Sudden way the bar is put out (6)

6. What is frequently caught by those who follow on behind (5) 7. They make wedges in Gloucester with flat-peaked caps (6-7) 14. If I lend some change, he’ll reject religion (7)

15. Fail to eat mixture of 23 without aspiration (6)

16. A mother may have a father to hire out (6)

17. He can work alone on a joint undertaking (6)

19. He may make a handout and endlessly grieve about it (5)