argument why m.relates_to should be preserved by redactions more general

but still give example of redacted edits

proposals/2674-event-relationships.md

@@ -67,7 +67,11 @@ events.
 Relations may be redacted like any other event.
 
 The `m.relates_to`.`rel_type` and `m.relates_to`.`event_id` fields should
-be preserved over redactions, so that clients can distinguish redacted edits
+be preserved over redactions, so that clients can still distinguish
+redacted relations from other redacted events of the event type.
+
+One example is telling redacted edits (as proposed in
+[MSC 2676](https://github.com/matrix-org/matrix-doc/pull/2676)) apart from
 from normal redacted messages, and maintain reply ordering.
 
   FIXME: synapse doesn't do this yet