Originally Posted by
Gardyloo
This is a source of historic debate, but to me at least the rule is clear. ...
Without getting into some Talmudic debate about commas, my understanding is that it's only applicable in the case of Europe - SWP, not N. America - SWP or Africa - SWP.
I believe the online tool permits itineraries such as EUR-ASIA-SWP(-xASIA)-NA-EUR