Support formatting in rainbows

Fixes #119

matrix/matrix.go

@@ -729,9 +729,19 @@ func (c *Container) MarkRead(roomID, eventID string) {
 	_, _ = c.client.MakeRequest("POST", urlPath, struct{}{}, nil)
 }
 
-func (c *Container) PrepareMarkdownMessage(roomID string, msgtype mautrix.MessageType, text string, rel *ifc.Relation) *event.Event {
-	content := format.RenderMarkdown(text)
-	content.MsgType = msgtype
+func (c *Container) PrepareMarkdownMessage(roomID string, msgtype mautrix.MessageType, text, html string, rel *ifc.Relation) *event.Event {
+	var content mautrix.Content
+	if html != "" {
+		content = mautrix.Content{
+			FormattedBody: html,
+			Format:        mautrix.FormatHTML,
+			Body:          text,
+			MsgType:       msgtype,
+		}
+	} else {
+		content = format.RenderMarkdown(text)
+		content.MsgType = msgtype
+	}
 
 	if rel != nil && rel.Type == mautrix.RelReplace {
 		contentCopy := content

matrix/sync.go

@@ -153,6 +153,9 @@ func (s *GomuksSyncer) ProcessResponse(res *mautrix.RespSync, since string) (err
 
 func (s *GomuksSyncer) processSyncEvents(room *rooms.Room, events []json.RawMessage, source EventSource) {
 	for _, event := range events {
+		if source == EventSourcePresence {
+			debug.Print(string(event))
+		}
 		s.processSyncEvent(room, event, source)
 	}
 }
@@ -241,7 +244,7 @@ func (s *GomuksSyncer) GetFilterJSON(userID string) json.RawMessage {
 					"m.room.power_levels",
 					"m.room.tombstone",
 				},
-				Limit: 50,
+//				Limit: 50,
 			},
 			Ephemeral: mautrix.FilterPart{
 				Types: []string{"m.typing", "m.receipt"},