stores postings for 2 weeks + and eliminates older postings every Mo. Older matter must be retrieved from archives. Some are listed at the end of http://www.oberon.ethz.ch/support.html The list is probably not exhaustive. Andr Fischer - fischer at inf.ethz.ch ETH Oberon : http://www.oberon.ethz.ch Bluebottle: http://bluebottle.ethz.ch