Returns the abbreviation for the receiver at a given date.
Original signature is '- (NSString *)abbreviationForDate:(NSDate *)aDate'
Available in Mac OS X v10.0 and later.


- aDate (NSDate)
- The date for which to get the abbreviation for the receiver.

The abbreviation for the receiver at aDate.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)