Here is a list of files that are known to be shared by both packages (according to the Contents file for sid/amd64, which may be slightly out of sync): /usr/lib/libmpl.so.1 /usr/lib/libmpl.so.1.1.0 /usr/lib/libopa.so.1 /usr/lib/libopa.so.1.0.0 -Ralf.