Swiss capital (4)

I think it could be either:

Which length description are you looking for?:

berne

'swiss capital' is the definition.
(capital of Switzerland)

This is the entire clue.

(Other definitions for berne that I've seen before include "Capital of Switzerland" , "Swiss city (1886 copyright convention)" , "Swiss capital" .)

I've seen this clue in The Irish Times and The Wall Street Journal.

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