This crossword No. 11139 clues and answers were published on Wed 18 Jan 2006 and the puzzle can be visited by following The Guardian Quick Crossword No. 11139 link.
All Across Clues and Answers:
1-across – In confidence : OFFTHERECORD
9-across – Caustic : ACRID
10-across – Japanese art : ORIGAMI
11-across – Maintain : KEEP
12-across – Swiftness : VELOCITY
14-across – Settle snugly : NESTLE
15-across – Chinese martial art : KUNGFU
18-across – Holes : CAVITIES
20-across – Part of eye or camera : LENS
22-across – Disrobe : UNDRESS
23-across – Bumpkin : YOKEL
24-across – Exploratory kissing and cuddling : HEAVYPETTING
All Down Clues and Answers:
2-down – Pincers aiding delivery of babies : FORCEPS
3-down – Neat : TIDY
4-down – Tactical missile : EXOCET
5-down – End of story : EPILOGUE
6-down – Giraffe relative : OKAPI
7-down – Amateur putting-up of shelves etc : DOITYOURSELF
8-down – Harsh throat irritation : HACKINGCOUGH
13-down – Soft soap : FLATTERY
16-down – Pickled item : GHERKIN
17-down – Tenant : LESSEE
19-down – Russian drink : VODKA
21-down – Abnormal sac : CYST
This crossword has in total 24 where 12 are across and 12 are down.