Never forget the past
@@ -1350,9 +1350,9 @@ State Event Fields
In addition to the fields of a Room Event, State Events have the following fields.
-+-----------+--------+-------------------------------------------------------------+
++--------------+--------------+-------------------------------------------------------------+
| Key | Type | Description |
-+===========+========+=============================================================+
++==============+==============+=============================================================+
| state_key | string | **Required.** A unique key which defines the overwriting |
| | | semantics for this piece of room state. This value is often |
| | | a zero-length string. The presence of this key makes this |
@@ -1361,7 +1361,10 @@ In addition to the fields of a Room Event, State Events have the following field
| | | With the exception of a few events, state events set with |
| | | a given user's ID as the state key MUST only be set by that |
| | | user. |
-+-----------+--------+-------------------------------------------------------------+
++--------------+--------------+-------------------------------------------------------------+
+| prev_content | EventContent | Optional. The previous ``content`` for this event. If there |
+| | | is no previous content, this key will be missing. |
++--------------+--------------+-------------------------------------------------------------+
Size limits
