I've just received an update for the package lilypond-doc (I'm switching from version 2.18.0-1 to version 2.18.2-3). In the release they explicitely say that this version solve the bug https://bugs.debian.org /cgi-bin/bugreport.cgi?bug=758787.
So Christopher I think you installed the new version of the package and it solve the bug. ** Bug watch added: Debian Bug tracker #758787 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=758787 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1363820 Title: Attempting upgrade to Utopic Unicorn - "package lilypond-doc 2.16.2-3 failed to install/upgrade: subprocess new pre-installation script returned error exit status 1" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lilypond/+bug/1363820/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs