I uninstalled the locally installed version of XML::SAX (re https://bugs.launchpad.net/bugs/365383), after which upgrading succeeded this time. It seems then that the bug mentioned above was causing this error.
-- package libxml-sax-expat-perl 0.40-1 failed to install/upgrade: subprocess post-installation script returned error exit status 1 https://bugs.launchpad.net/bugs/365383 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
