- TEST: ./bin/ddc_daemon restart --nofork --stderr --server etc.pnn/ddc_server.cfg --local etc.pnn/ddc_local_corpora.cfg --log trace -t 2
- CLIENT: ./src/ddc_daemon/ddc-bench-multi.perl -p=52120 -c -q 'der die das' 'er sie es' 'auf von mit' -n 4
- CRASHES: in ~QueryNode(), called from via DeleteTree in shared CQueryCompiler (should be local)