Public addressing

Public addressing is discussed here. The essential point here is that Public, as:Public, and https://www.w3.org/ns/activitystreams#Public are equivalent as JSON-LD and thus should be treated in the same way by Fediverse applications.

Support table

to	akkoma	friendica	gotosocial	hollo	mastodon	mitra	pleroma	sharkey
https://www.w3.org/ns/activitystreams#Public	✅	✅	✅	✅	✅	✅	✅	✅
as:Public	✅	✅	✅	✅	✅	✅	❌	✅
Public	✅	❌	❌	❌	✅	✅	❌	✅