sof 2002/03/19 10:58:04 PST Added files: lib/exts CVar.lhs Chan.lhs Channel.lhs ChannelVar.lhs Concurrent.lhs MVar.lhs Merge.lhs Parallel.lhs QSem.lhs QSemN.lhs SampleVar.lhs Semaphore.lhs Log: more lib/exts/ status quo restoration