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tie break on multiple parents

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Matthew Hodgson 2021-01-14 12:55:20 +00:00
parent a0f89bd522
commit a709671d03
1 changed files with 5 additions and 2 deletions
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7
proposals/1772-groups-as-rooms.md
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@ -148,8 +148,11 @@ relationship can be expressed in one of two ways:
`canonical` determines whether this is the main parent for the space. When
a user joins a room with a canonical parent, clients may switch to view
the room in the context of that parent space, peeking into it in order to
find other rooms and group them together.
the room in the context of that space, peeking into it in order to find
other rooms and group them together. In practice, well behaved rooms
should only have one `canonical` parent, but given this is not enforced:
if multiple are present the client should select the one with the lowest
room ID, as determined via a lexicographic utf-8 ordering.
To avoid abuse where a room admin falsely claims that a room is part of a
space that it should not be, clients could ignore such `m.space.parent`