~OLCommand :~RS reminder
~OLUsage   :~RS (to view)
~OL        :~RS reminder all/today/<d> [<m> [<y>]]
~OL        :~RS (to manage)
~OL        :~RS reminder set/del <num>

This command allows you to set reminders.  You'll be notified of the number
of reminders you have for that day when logging in, and reminders will also
be signified on the calendar output.  If the date for a reminder has passed
then the reminder will automatically be removed.