Hello Thorsten, thank you very much for your testing. Indeed the bug required more fixing than what I did.
I did follow your steps for reproducing it, and now I have a new package that fix it. If you want to try it, please fetch it here: https://eppesuigoccas.homedns.org/~giuseppe/debian/libpaper1_1.1.27_amd64.deb https://eppesuigoccas.homedns.org/~giuseppe/debian/libpaper-utils_1.1.27_amd64.deb or dget https://eppesuigoccas.homedns.org/~giuseppe/debian/libpaper_1.1.27.dsc Bye, Giuseppe
