Gus' Wedding Cryptic (Take 2)

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Across
  1. 4. Getting incarcerated wasn't exactly my goal (4)
  2. 7. The period of scarcity didn't last long (8)
  3. 8. Docking ships don't lie (4)
  4. 12. Sounds like more hard work than being a Spanish tennis player (6-6)
  5. 15. I've explained to the new boy how to use the touchpoint stove (9)
  6. 17. Change of: mass/acidity? (5)
  7. 18. One should think formally on the importance of being Bert's brother (6)
  8. 19. I hear that your mate from Prague is paying (5)
Down
  1. 1. That booze sack needs to sleep less and get down to the library to reform himself (8)
  2. 2. It doesn't matter what side you start from to reach this height (5)
  3. 3. The sound as a man leaves quietly (7)
  4. 5. Frustration that the whole country has to burn for eternity (9)
  5. 6. I know changing the tyre was took some energy but the next part will be even harder (9)
  6. 9. Always pass the bottle to the left! (4)
  7. 10. I've invented a new way to get my bed tidy (4-2)
  8. 11. The end-to-end try contained in it three divine elements (7)
  9. 13. Danger at the viewpoint! (7)
  10. 14. Josephine's man can only get a semi-on (9)
  11. 16. The man rushing sideways through the airport turnstile is definitely going to South East Asia (7)