OIC should support iCAL BYSETPOS expression

Organization Name (Required - If you are an Oracle Partner, please provide the organization you are logging the idea on behalf of): De Lage Landen

Description (Required): We need to schedule integration not based on calendar days but on working days. iCAL support his but we need to use the "BYSETPOS" expression. However, while OIC supports iCAL for complex schedules it doesn't support "BYSETPOS".

"ESS-09409 Parsing exception. Recurrence expression with BYSETPOS clause is not supported."

Use Case and Business Need (Required): We need to schedule several integrations on weekday 7, weekday 9, weekday 11, ....

Enhancement Request / Service Request: OIC should support all iCal options; especially