Cryptic crossword No 3,939

Across

1. Learner in a confused daze, the princess! (5)
2. Druggy in American A&E? (4)
3. Just make a beeline for Oxford Dictionary (4)
4. Yanks interrupting pleasant stroll, they find it quite funny (8)
5. Looking into air-con; traditionally I’m opposed to it (6)
6. Close up: where Lara finds herself (6)
7. Evil twin to change (for example) nothing (5,3)
8. Hanging by a thread, deciding what to do next (2,1,5,3)
9. Postal carrier very quick, point taken! (5,3)
10. Child obsessed with first-person info; big mouth! (6)
11. Henchman just tinkering here and there (6)
12. Yerba pop drink doesn’t make the news? (8)
13. To Cornwall with my rare blood, taking a sample (4)
14. Golf course not satisfactory for Hylian resident (4)
15. Savings bound to current rate, man! (5)

Down

1. Oaf grows mad; don’t give it a second, battle through it (3,1,3)
2. University, wow! Excited! Time to be brave (7)
3. An egg nerd grimly decayed (9)
4. Floating on air, hair held back: I’m game! (6,6)
5. Death of Commodore leaves programmers thus; bereft of answers and faith tested (3,2,1,3)
6. For starters, a mass of Nigerian goats join us for a game? (5)
7. I’d won point, played Portal, added another point (7)
8. Deterioration of belief (4)
9. Primitive padel guff (4)
10. Added some citrus to something disgusting, off a cliff it goes (7)
11. Smoothflow drink, say, lacking a British heritage, the chancers! (4)
12. A short vow spoken on its own (4)
13. Banter article: bondage device to improve productivity (5,3,4)