@cdevroe (Makes me wonder if "IndieWeb"_WordPress_ sites aren't better off with at least basic mf2 support via a plugin [which would then be overridden by proper IndieWeb themes], so that a mere theme switch does not break things for h-feed subscribers.)
@jan WordPress has functions for body_class, post_class, etc. So rigging up a plugin that would automatically sprinkle in the appropriate classes wouldn't be too difficult.
The hard part, is that so many themes do not use them. :(
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