

I just took a really quick look at it, but under Importing data from Nominatim it says “-country-codes
allows to filter the data to be imported by country. Set this to a comma-separated list of two-letter language codes.”
That’s a different section from the Importing data from a JSON dump section, which is where it only mentions -country-code
. But even that does seem to suggest it takes “all the parameters of an import from a Nominatim database”. So it seems like either the documentation for one of them is wrong, or both are lacking (because in fact both the singular and plural work).
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