From 1c70d455fbfda7a301ed01f1f18eef1ddf2aa902 Mon Sep 17 00:00:00 2001
From: Hugh Nimmo-Smith <hughns@element.io>
Date: Tue, 11 Oct 2022 23:33:30 +0100
Subject: [PATCH] Implementations of MSC3886 and MSC3903