There is no underlying theme for this crossword.

CLUES
Across
7 Small pocket (6)
8 Get the better of (6)
9 Unpleasantly and excessively suave (4)
10 Correspondence without an envelope (8)
11 Self-aggrandisement (3,4)
13 Buffoon (5)
15 Type of quick bread (5)
17 Fundamental principle (7)
20 Type of sausage (8)
21 Hurt (4)
22 Expresses a condition; ought (6)
23 Render capable (6)
Down
1 Part of footpath (6)
2 Watery part of milk (4)
3 Tending to check bleeding (7)
4 Snare (5)
5 Martinet (8)
6 Crease (6)
12 Besotted, soused (6,2)
14 Decorate tastelessly (7)
16 Day care centre (6)
18 Lacking warmth of feeling (6)
19 Ruffian, disorderly (5)
21 Natural fuel (4)

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