4/
Issue №2:
host-meta is in XML (where everything else is in JSON).
I am NOT saying I am a fan of JSON, but — I think it would be easier for developers if only JSON xor XML was used (but not both).
(host-meta is used to specify where WebFinger is. It does not necessarily have to be at "/.well-known/webfinger". And doesn't have to be on the same host.)
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