Yesterday

Across: 1. Symptom, 5. Wilma, 8. Rider, 9. Dervish, 10. White elephant, 11. Inflow, 12. Sorbic, 15. Valentine’s Day, 18. Insurer, 19. Scuba, 20. Emend, 21. Baronet.

Down: 1. Screw, 2. Midriff, 3. Three-cornered, 4. Muddle, 5. Word processor, 6. Leila, 7. Aphotic, 11. Invoice, 13. Bedouin, 14. Midrib, 16. Lisle, 17. Yeast.