Across
1 Pepsin acidity largely can be a painful ailment (12)
10 Business of each woman with identity unknown (7)
11 Husband’s number one (from the bottom) in the palace (7)
12 Boost from newer AI series on Discovery channel (5)
13 Drop the low grade, incomplete tape recording with issue raised (4-4)
15 Father, give the essential money to the church of England (10)
16 Thirsty visionary at sea (4)
18 Goat in the same place on endless river (4)
20 South American and the Italian gold fashion for Donald Duck’s garb say (6,4)
22 Charm exhibited by Indian state hosting boxer’s mother (8)
24 Buzz from downing the fifth rum bottle? (5)
26 Japanese art form alternative, an endless fun with one (7)
27 State assistance as a means of transporting troops out of danger area (7)
28 Determined demon’s grit did not initially work (6-6)
Down
2 Many water-sport icons have mansions featuring colonnade (7)
3 Catching epode about Moore (8)
4 … times Daisy is lost without me (4)
5 Bad chill a typical winter ailment? (6,4)
6 In retrospect, my investments in equities netted good returns though at times I was somewhat worried (5)
7 Self-destruction? America somehow guaranteed one (7)
8 Grant to appoint a pro state doctor (13)
9 Sell short a pair of German articles on assessment (13)
14 Rift between leading Jack and the mimes receded (10)
17 Staggering number in British born monks (8)
19 French pastries for each chocolate lover’s ask in Roman suburb for starters (7)
21 Boost with universal recognition (7)
23 Step one in figure (5)
25 Wish for victory (4)