* Add further normative language in mutual rooms server behaviour
Signed-off-by: Johannes Marbach <n0-0ne+github@mailbox.org>
* Avoid superfluous MUST
Co-authored-by: Hubert Chathi <hubertc@matrix.org>
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Signed-off-by: Johannes Marbach <n0-0ne+github@mailbox.org>
Co-authored-by: Hubert Chathi <hubertc@matrix.org>