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Crazy about halftone reproduction? (5)

Ross

I believe the answer is:

dotty

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'crazy about' is the definition.
(synonyms)

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(Other definitions for dotty that I've seen before include "like a Dalmatian?" , "Slightly crazy" , "Feeble-minded" , "Slightly mad (colloq.)" , "Barking" .)

I've seen this clue in the Evening Standard.
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