This crossword No. 12768 clues and answers were published on Wed 13 Apr 2011 and the puzzle can be visited by following The Guardian Quick Crossword No. 12768 link.
All Across Clues and Answers:
1-across – Loss of confidence in one’s 40s or 50s, perhaps? : MIDLIFECRISIS
8-across – Little green vegetable : PEA
9-across – Messing about : HORSEPLAY
10-across – Church’s policy : DOCTRINE
11-across – Great enthusiasm : ZEAL
13-across – Portly : ROTUND
14-across – Sheila from Sydney, perhaps? : AUSSIE
16-across – Hello sailor! : AHOY
17-across – Relating to deep feelings — claviers : VISCERAL
20-across – Ragtime piano music : HONKYTONK
21-across – Charged particle : ION
22-across – Carbon dioxide, say : GREENHOUSEGAS
All Down Clues and Answers:
1-down – Vehicle — was blue : MOPED
2-down – Temporary stock market recovery : DEADCATBOUNCE
3-down – Existing permanently in something : INHERENT
4-down – Job usually involving a short trip : ERRAND
5-down – Dance : REEL
6-down – Use of the internet by older people — revising furls : SILVERSURFING
7-down – Shade : SKYBLUE
12-down – Iced confections served in little foil or paper containers : CUPCAKES
13-down – Inconsiderate driver : ROADHOG
15-down – Professional male escort : GIGOLO
18-down – Golf course by the sea : LINKS
19-down – Greenish-blue : CYAN
This crossword has in total 24 where 12 are across and 12 are down.