Quibble about Calvin embracing Violet (5)

I believe the answer is:

cavil

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'quibble' is the definition.
(I know that quibble can be written as cavil)

'calvin embracing violet' is the wordplay.
'calvin' becomes 'cal' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'embracing' means one lot of letters goes inside another.
'violet' becomes 'vi'.
'cal' enclosing 'vi' is 'CAVIL'.

'about' acts as a link.

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(Other definitions for cavil that I've seen before include "Find fault" , "Carp" , "Make trivial objection" , "Raise petty objections" , "Use false arguments" .)

I've seen this clue in the Evening Standard.

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