2018-02-28 UTC
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tantek FWIW I fought for (based on examples gathered and plenty of others' arguments) being able to specify gender and sex fairly independently in vCard4: https://tools.ietf.org/html/rfc6350#section-6.2.7 - which downstream uses (e.g. h-card in microformats / indieweb, and vCard vocab in AS2) should "automatically" get, as long as they don't screw it up by misguided "optimizing"