Coffee Break Cryptic

2 September

Across

1 Once more making a profit (5)
4 Jump when surprised in launch? (5)
7 Presiding officer taking flier behind church (8)
8 A country one has entered before (4)
9 Winter transport, we hear, for butcher (4)
10 Error discovered by end of term, I wager (7)
12 Playing Lydia, Glenda is a star (7,4)
14 Rum making saint wander (7)
16 Serenity, in classical mythology (4)
19 Fabric that may be touched (4)
20 Stubborn old boy expected to hold rodent (8)
21 Shoot small beast crossing river (5)
22 Complaint from mothers about parking (5)

Down

1 What's left after burning trees? (5)
2 Great boxer associated with graduates — or one associated with thieves (3,4)
3 Mean to turn handle (4)
4 Sea dog in abandoned US naval base (3,5)
5 A male representative (5)
6 Old jailer from country imprisoning knight (7)
11 Bell sounds for fight (4-4)
12 Mail for landlords? (7)
13 Word play that may make grandee enraged (7)
15 Modify some contractual terms (5)
17 Pals running out of steam? (5)
18 A mother? He didn't have one! (4)