Cryptic crossword No 4,113

Across

1. Mention issue with Planck's constant in function of rays (8)
2. One drones about ten goats (6)
3. Encircles and hits back, clearing the eastern front (6)
4. Spooner's roofers are arsonists! (8)
5. Second leg of cheeky display (4)
6. Make up with European after arrest (4,6)
7. Shows discreetness without random edits (7)
8. Immortal diver eaten by headless predator (7)
9. Stop and tout pen, badly (3,2,3,2)
10. Gorge on tips to stop all that eating (4)
11. Think of a drink? I hear you: many! (8)
12. Because of two left feet, I hold myself back from dance (6)
13. Plead with aliens to play nicely (2,4)
14. Opening by luck (8)

Down

1. Newcastle supporter heads from South Korea away to another state (8)
2. Confused poet holding real declaration of love, explosive device (6,4)
3. Reasons to bring copper to supporters' meetings (8)
4. Reaction? Half-hearted cuddles in mown grass (8)
5. Starved, desperate for publicity (7)
6. Sub-group lose their leader in battle (6)
7. Crazy bird (6)
8. Alienate various grantees (8)
9. Criticise Spanish XI about topless player - it's jarring (10)
10. Sounds like a car-crash; pathetic, terrible party (7)
11. Own up to seventh offence? (4)
12. Thought about tooth with double crown (6)
13. Craftsman arranges tutorial without you in France (6)
14. Schools' enclosures (4)