> Hm, I guess there have been quite a few changes. Most I knew about, but > what does `-typecheck expert' do, and what does `-keep dot' do? It's -type-check {false|true} and it turns on type checking of ILs, which is off by default. -keep dot saves dot files for the call graph of the whole program and the control flow graph of each CPS function (like the one I sent earlier).