* {title}
  {timestamps}
  :PROPERTIES:
  :ATTENDEES: {attendees}
  :CALENDAR: {calendar}
  :CATEGORIES: {categories}
  :LOCATION: {location}
  :ORGANIZER: {organizer}
  :RRULE: {rrule}
  :STATUS: {status}
  :UID: {uid}
  :URL: {url}
  :UNTIL: {until_rrule}
  :END:
  {description}
