Where the standard is capital (5)

I believe the answer is:

paris

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'capital' is the definition.
(Paris is the capital of France)

'where the standard is' is the wordplay.
I cannot really see how this works, but
'standard' could be 'par' (standard of play in golf) and 'par' is found within the answer.
'is' is within the answer.
No letters remain.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for paris that I've seen before include "Abductor of Helen" , "French city" , "Capital of France" , "Trojan prince who abducted Helen" , "French department" .)

I've seen this clue in the Evening Standard.

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