message: Const things
diff: @@ -130,11 +130,11 @@ function textForRoomNameEvent(ev) {
  }
  function textForServerACLEvent(ev) {
  - var senderDisplayName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
  - let prev_content = ev.getPrevContent();
  - let current = ev.getContent();
  + const senderDisplayName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
  + const prev_content = ev.getPrevContent();
  + const changes = [];
  let text = "";
  - let changes = [];
  + let current = ev.getContent();
  let prev = {
  deny: Array.isArray(prev_content.deny) ? prev_content.deny : [],
  allow: Array.isArray(prev_content.allow) ? prev_content.allow : [],
  