I came across this bug while checking license issues for Debian derivative gNewSense. It looks like this is the only unresolved one left in the list of "serious issues" in debian/copyright.
What's the current status? Can we assume that everything in extsizes falls in the public domain? -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org