I'd say so, yes. I know American Sign Language and don't consider that to be foreign either. Perhaps 'official' isn't the right cut: indigenous languages aren

I'd say so, yes. I know American Sign Language and don't consider that to be foreign either. Perhaps 'official' isn't the right cut: indigenous languages aren't official in Canada nor the US and I certainly wouldn't call those foreign either (unless somebody lives in Portugal and speaks Lakota, of course. From a different perspective, English and French are both foreign languages, brought to the land by colonizers.