./potrace-1.11.tar.gz already exists, skipping download
./potrace.pdf already exists, skipping download
./potracelib.pdf already exists, skipping download
Getting http://downloads.sourceforge.net/potrace/potrace-1.11.tar.gz to ./potrace-1.11.tar.gz
Getting http://potrace.sourceforge.net/potrace.pdf to ./potrace.pdf
Getting http://potrace.sourceforge.net/potracelib.pdf to ./potracelib.pdf