Cryptic crossword

ACROSS

1. Certain to be included in requests for diversions (9)

8. Go quickly to stand for election (3)

9. A fine hand, but unsuitable for a silver collection! (11)

11. The first of the horsemen adjusts the leading reins (7)

12. He reaches a total that could be dead right (5)

13. I will be immersed in verse translation to prepare for the examination (6)

15. Sounds like a foreign title for a sixth former maybe (6)

17. Seaman to employ vituperation (5)

18. Stresses foreign money is included in the accounts (7)

20. Light porter (11)

22. Almost appear to understand (3)

23. Said paper could go out of circulation (9)

DOWN

2. The sign of the Spanish going back to the ring (3)

3. Wartime investment (5)

4. Adopt another attitude for the rest (6)

5. One of the main ways used by craftsmen (3,4)

6. But certainly no loafer! (11)

7. Ready for battle – but supplies too few weapons (5,4)

10. Bounder who relies on the staff to give him a lift (4,7)

11. From whom a simple remedy may be obtained (9)

14. Sheep thus dealt with are put in the outhouse (7)

16. Father Thomas shows an emotional quality (6)

19. The man in headgear of little value (5)

21. She is partially alienated (3)