collection

collection
iCalendar Recurrence Problems and Recommendations
4. Recurrence Issues with iCalendar

4.1. Usefulness vs. Cost of implementation of some properties

4.1.1.Clause4.1.1Some of the RRULE grammar is cumbersome and difficult to use.
4.1.2.Clause4.1.2Some of the RRULE grammar is not needed for human-interaction systems.