2001-01-19 JP Rosevear <jpr@ximian.com>
* src/libical/icalvalue.c.in (icalvalue_duration_as_ical_string): add
-ve sign to output of duration if appropriate.
(icalvalue_trigger_as_ical_string): implement. not happy how this is
done with the -1 for is_date trick but it will do for now and period
does things in a similar way.
svn path=/trunk/; revision=7645
5b6b5aff42