1-across – <span>Clown’s role in </span><i>Hamlet</i> : GRAVEDIGGER

9-across – Make an exact copy : REPLICATE

10-across – Burton or Berners-Lee? : TIM

11-across – Make a case : ARGUE

13-across – Offensive,shocking : OBSCENE

14-across – Sly : CRAFTY

15-across – Platitude : TRUISM

18-across – Belt,bill or room? : UTILITY

20-across – Powerful individual : TITAN

21-across – US actress and singer ___ Arthur,died 2009 : BEA

22-across – Intermediary : GOBETWEEN

24-across – Way to improve air quality : VENTILATION

2-down – Churchyard carving : RIP

3-down – Most ineffectual : VAINEST

4-down – Completely right : DEADON

5-down – One may be educated – or lucky : GUESS

6-down – Radical : EXTREMIST

7-down – Panko in Japanese cooking : BREADCRUMBS

8-down – Not forever : IMPERMANENT

12-down – Via target : GRAVITATE

16-down – Knocking noise : RATATAT

17-down – Percussion instrument,often played in pairs : CYMBAL

19-down – Metal block : INGOT

23-down – Self-esteem : EGO

1-across – More precipitous : STEEPER

8-across – Disc – artificial shiny fabric,used to line clothes : ACETATE

9-across – Sensible : PRUDENT

10-across – Pump up : INFLATE

11-across – The Holy Grail,for instance : RELIC

13-across – Donors,etc : CONSORTED

15-across – Ancient Greek citadel : ACROPOLIS

18-across – Pieces ‘of’ it were silver : EIGHT

21-across – Captivated : SMITTEN

22-across – Energy pipeline : GASMAIN

23-across – It helps one see through a mask : EYEHOLE

24-across – : REDRESS

1-down – Tuesday or typhoon? : SUPER

2-down – Even – match : EQUAL

3-down – Obsession : PREOCCUPATION

4-down – Allotted portion : RATION

5-down – Calm and collected : SELFPOSSESSED

6-down – Dark volcanic rock : BASALT

7-down – Key to a map : LEGEND

12-down – Clapton or Cantona? : ERIC

14-down – Every individual : EACH

15-down – Yes or no? : ANSWER

16-down – Derelict : RUINED

17-down – Remain for more time than usual : LINGER

19-down – Eat little and often : GRAZE

20-down – Grasping pair? : TONGS

1-across – 1968 Beatles song : BLACKBIRD

8-across – Social media thumbs-up : LIKE

9-across – Tyre part : INNERTUBE

10-across – Mix : STIR

13-across – Mixer : TONIC

15-across – : TAVERN

16-across – Absorb : TAKEIN

17-across – The way something’s presented : FORMAT

19-across – Get out of here! : BEGONE

20-across – Romeo : LOVER

21-across – Make a record : NOTE

24-across – Small-minded : PAROCHIAL

25-across – Adam and Eve’s third son : SETH

26-across – Keep going in difficult circumstances : SOLDIERON

2-down – Ranger or wolf? : LONE

3-down – They indicate something needs to be said or done : CUES

4-down – It helps to keep your clothes on : BUTTON

5-down – Roger or Peter? : RABBIT

6-down – Evergreen,semi-parasitic plant with white berries : MISTLETOE

7-down – Small handgun : DERRINGER

11-down – Rigid quality : STIFFNESS

12-down – Exaggerate : OVERSTATE

13-down – Drugs test? : TRIAL

14-down – Underground explorer : CAVER

18-down – Salad fruit : TOMATO

19-down – Further than : BEYOND

22-down – Clarified butter used in Indian cooking : GHEE

23-down – Filled tortilla : TACO

1-across – Immediate – tuna sensation : INSTANTANEOUS

8-across – Supportive – expert : PRO

9-across – Related to bishops : EPISCOPAL

10-across – Become established : TAKEROOT

11-across – Jenny or Christopher? : WREN

13-across – Hildegard of Bingen,for instance : ABBESS

14-across – Organic fertiliser : MANURE

16-across – Box,back or boiler? : ROOM

17-across – Sarsen stone,perhaps : MEGALITH

20-across – Lie dormant : HIBERNATE

21-across – Shot – youngster : TOT

22-across – Inserted – in late chapter : PARENTHETICAL

1-down – Contribution : INPUT

2-down – Back Rob’s horse : SHOCKABSORBER

3-down – Dangerous arterial bulge : ANEURYSM

4-down – Photographer’s prop? : TRIPOD

5-down – German singer who performed with the Velvet Underground : NICO

6-down – Taking advantage of a situation : OPPORTUNISTIC

7-down – It may be stony – or golden : SILENCE

12-down – Budgerigar,for example : PARAKEET

13-down – Dirigible : AIRSHIP

15-down – Uncouple : DETACH

18-down – Raffles or The Ritz? : HOTEL

19-down – Smoother? : IRON

1-across – One’s surprisingly successful : OVERACHIEVER

9-across – One’s not at all successful : LOSER

10-across – Single pay-out : LUMPSUM

11-across – Ball of thread : CLEW

12-across – Topped by breadcrumbs and cheese : AUGRATIN

14-across – More elegant : NEATER

15-across – Fanatical individual : ZEALOT

18-across – Calls out : EXCLAIMS

20-across – The largest continent : ASIA

22-across – Leaped : VAULTED

23-across – Reasoning : LOGIC

24-across – Speciality food shop : DELICATESSEN

2-down – I’ve cars : VISCERA

3-down – Uncommon : RARE

4-down – Not black-and-white : COLOUR

5-down – Deeply involved : IMMERSED

6-down – Flying,home or hospital? : VISIT

7-down – Macron enters : REMONSTRANCE

8-down – Poorly thought-out : ILLCONCEIVED

13-down – Relating to the meaning of words : SEMANTIC

16-down – Sheets of pasta : LASAGNE

17-down – Surrounded by : AMIDST

19-down – Mean-spirited individual : CHURL

21-down – Sad to say : ALAS