I did the following:
(setf acc (make-instance 'acceptor)) (setf (acceptor-message-log-destination acc) "c:/log.txt") (acceptor-log-message acc :error "%s")
and something is written in c:/log.txt it just states ERROR %s. How should look the format string ? I thought it has to do with format function but obviously it doesn't. Are there some instructions how to write format string ?