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This page documents existing and proposed vendor prefixes for microformats2 vocabulary.
If there is any non-trivial uptake of any of these vendor prefixes, then we can upgrade this page into being a vendor prefix registry as well.
Examples In the Wild
Documented examples in the wild of vendor prefixed microformats2 properties and objects.
-swarm-coinsproposed by Aaronpk in #microformats #microformats on freenode 2017-03-24
These are proposed vendor prefixes but no one is actually using them in practice.