From 9620a624d793317dc640e4b6f43f41f0e7f88867 Mon Sep 17 00:00:00 2001
From: Kegan Dougal <7190048+kegsay@users.noreply.github.com>
Date: Fri, 26 Apr 2024 12:16:39 +0100
Subject: [PATCH] Comment on escaped dots

---
 sync2/handler2/handler.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sync2/handler2/handler.go b/sync2/handler2/handler.go
index dd03ab4..4051248 100644
--- a/sync2/handler2/handler.go
+++ b/sync2/handler2/handler.go
@@ -274,6 +274,7 @@ func (h *Handler) Accumulate(ctx context.Context, userID, deviceID, roomID strin
 	for i := range timeline.Events {
 		// Delete MSC4115 field as it isn't accurate when we reuse the same event for >1 user
 		timeline.Events[i], _ = sjson.DeleteBytes(timeline.Events[i], "unsigned.membership")
+		// escape .'s in the key name
 		timeline.Events[i], _ = sjson.DeleteBytes(timeline.Events[i], `unsigned.io\.element\.msc4115\.membership`)
 		parsed := gjson.ParseBytes(timeline.Events[i])
 		eventID := parsed.Get("event_id").Str
@@ -377,6 +378,7 @@ func (h *Handler) Accumulate(ctx context.Context, userID, deviceID, roomID strin
 func (h *Handler) Initialise(ctx context.Context, roomID string, state []json.RawMessage) error {
 	for i := range state { // Delete MSC4115 field as it isn't accurate when we reuse the same event for >1 user
 		state[i], _ = sjson.DeleteBytes(state[i], "unsigned.membership")
+		// escape .'s in the key name
 		state[i], _ = sjson.DeleteBytes(state[i], `unsigned.io\.element\.msc4115\.membership`)
 	}
 	res, err := h.Store.Initialise(roomID, state)