Cryptic crossword

ACROSS

1. Spoils of war (4) 3. Exits in the open air (8) 8. One is entitled to be called it (4) 9. Suddenly burly Pat got reformed (8) 11. Makes a resounding comeback (12) 13. This club is much patronised by gymnasts (6) 14. Newspaperman ordered to ride (6) 17. Attractive perch on top of the world (8,4) 20. Possibly a treetop entertainment (8) 21. Not an area of growing importance in Asia (4) 22. At this point, land appears (3,5) 23. Grasping what is meant by average (4)

DOWN

1. Transporting invented by a system one-track mind (8) 2. Went to another house when ousted (7) 4. Not brought up to be rude (6) 5. He may go to pot (4,6) 6. Extravagant version of true love (5) 7. Where those for the ferry were always late (4) 10. In age erect as a relatively young woman (5,5) 12. It pushes up water rates in a reorganisation (8) 15. Most woe-begotten pair (7) 16. It often figures in art exhibitions (6) 18. Engagement ring? (5) 19. An outstanding leader of men (4)