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Opinionated rewrite of unconflicted state map

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David Robertson 2022-04-29 19:45:32 +01:00
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content/rooms/fragments/v2-state-res.md
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@ -31,11 +31,14 @@ the `membership` is `leave` or `ban` and the `sender` does not match the
might remove someone's ability to do something in the room. might remove someone's ability to do something in the room.
**Unconflicted state map and conflicted state set.** **Unconflicted state map and conflicted state set.**
The *unconflicted state map* is the state where the value of each key The key-value pairs across all state maps *S<sub>i</sub>* can be divided into
exists and is the same in each state *S*<sub>*i*</sub>. The *conflicted two collections. If a given key *K* is present in every *S<sub>i</sub>* with the
state set* is the set of all other state events. Note that the same value *V* in each state map, then the pair (*K*, *V*) belongs to the
unconflicted state map only has one event per `(event_type, state_key)`, *unconflicted state map*. Otherwise (*K*, *V*) belongs to the
whereas the conflicted state set may have multiple events. *conflicted state set*.
Note that the unconflicted state map only has one event per `(event_type, state_key)`,
whereas the conflicted state set may associate multiple events to the same key.
**Auth difference.** **Auth difference.**
The *auth difference* is calculated by first calculating the full auth The *auth difference* is calculated by first calculating the full auth