This crossword No. 10359 clues and answers were published on Fri 18 Jul 2003 and the puzzle can be visited by following The Guardian Quick Crossword No. 10359 link.
All Across Clues and Answers:
1-across – Treetops mark it : TIMBERLINE
7-across – Redford directed this film, 1994 : QUIZSHOW
8-across – Candle cord : WICK
9-across – Ripped – undecided : TORN
10-across – Courtroom enclosure : JURYBOX
12-across – Where chain might break – 7 : WEAKESTLINK
14-across – Longish odds – 7 : FIFTEEN
16-across – US composer, Charles : IVES
19-across – European capital city : OSLO
20-across – West Indian island : TRINIDAD
21-across – Leader of the flock : BELLWETHER
All Down Clues and Answers:
1-down – Make fun of : TAUNT
2-down – Polish national dance : MAZURKA
3-down – Nymph spurned by Narcissus : ECHO
4-down – Legal proceedings : LAWSUITS
5-down – Absolutely not! : NOWAY
6-down – See 18 : OCLOCK
11-down – Base supporting column : PEDESTAL
12-down – Capricious idea – sounds like Sayers’ sleuth : WHIMSY
13-down – Use abusive language : INVEIGH
15-down – See 14 : TOONE
17-down – Indoor step : STAIR
18-down – End of the working day? : FIVE
This crossword has in total 23 where 11 are across and 12 are down.