> To distinguish, you do [[w:en]] for English Wikipedia and [[voy:en]] for English Wikivoyage.

Interesting. Where do these "w" and "voy" come from?

> In Wikimedia's config, the interwiki code is same as language code and there can't be more than one language per site group.

Can you link to this config?

Cheers

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Jeroen De Dauw
http://www.bn2vs.com
Don't panic. Don't be evil. ~=[,,_,,]:3
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