This crossword No. 12339 clues and answers were published on Wed 25 Nov 2009 and the puzzle can be visited by following The Guardian Quick Crossword No. 12339 link.
All Across Clues and Answers:
1-across – Programming language — named choice : MACHINECODE
9-across – By that very act : IPSOFACTO
10-across – Wildebeest : GNU
11-across – Claptrap : HOKUM
13-across – See 15 : SEYMOUR
14-across – Verdict : RULING
15-across – Best Actor Oscar winner 2005, for Capote : PHILIP
18-across – Round flat liquorice sweet — Asian food fish : POMFRET
20-across – Less common : RARER
21-across – Not at home : OUT
22-across – Shoulder decoration : EPAULETTE
24-across – Ability to make fortunate discoveries by accident : SERENDIPITY
All Down Clues and Answers:
2-down – Donkey — fool : ASS
3-down – See 15 : HOFFMAN
4-down – Most pleasing : NICEST
5-down – Friend : CRONY
6-down – Canine or clerical accessory : DOGCOLLAR
7-down – See 19 : WITHERSPOON
8-down – Trainee journalist : CUBREPORTER
12-down – 0.621 of a mile : KILOMETRE
16-down – Facial disfigurement : HARELIP
17-down – Yarn — thread : STRAND
19-down – Best Actress Oscar winner 2005, for Walk The Line : REESE
23-down – Add : TOT
This crossword has in total 24 where 12 are across and 12 are down.