In the section « 10.2 Export declaration» of the C++ 20 Standard there is written
 
2 A declaration is exported if it is
(2.2) — a namespace-definition that contains an exported declaration, or
 
But then there is followed an example
 
export namespace N { } // OK
 
but this namespace definition does not contain an exported declaration. It is an empty namespace definition.
 
So is there a contradiction?
 
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