On Tue, Sep 6, 2022 at 11:48 PM Jason McKesson via Std-Proposals <std-proposals@lists.isocpp.org> wrote:
On Tue, Sep 6, 2022 at 5:05 AM Zopolis0 via Std-Proposals
<std-proposals@lists.isocpp.org> wrote:
> I misread some of it, but does this part not help?
> (i.e. being able to call export namespace {} without wrapping the file in it)
> export namespace {}             // error: does not introduce any namesnamespace has internal linkage

In the new proposal, that's clearly an error. It crossed out the
reason "does not introduce any names", but it provides a new reason:
unnamed namespaces having internal linkage.
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