message: get dict syntax right
diff: @@ -60,7 +60,7 @@ const ZWS_CODE = 8203;
  const ZWS = String.fromCharCode(ZWS_CODE); // zero width space
  const ENTITY_TYPES = {
  - AT_ROOM_PILL = 'ATROOMPILL',
  + AT_ROOM_PILL: 'ATROOMPILL',
  };
  function stateToMarkdown(state) {
  