This page is a draft recommendation of MachineTag. Therefore, the recommendations outlined in this draft are solely for discussion and preliminary implementation, not for final implementation in products or real-world tagging.
The predicate is composed of the ISO639-1, ISO639-2 or ISO639-3.
When a document is containing different language, an anchor can be used as value to specify the exact part.
Sometimes, you want to express the availability of the translation of the current document. That's similar to the mixed language document location. You can use a full URL instead of a simple anchor (just referring the current document).