Hi Claude. Claude Fuhrer writes:
I'm trying to add recurring events, but only for a given period of time.
You should probably use org-class. See below.
For example, I would like to write: Project meeting, every monday between 10:00 and 12:00 from 1. October until 1. December 2015
%%(org-class 2015 10 1 2015 12 1 1) 10:00-12:00 Project meeting
or Staff conference, every friday from 15:00 to 17:00, during seven weeks
%%(org-class 2015 10 1 2015 11 1 5) 15:00-17:00 Staff conference Best, -- Jorge.