Facing the same issue. According to <https://bugs.debian.org/cgi- bin/bugreport.cgi?bug=717423> this has been fixed in fontconfig=2.11.0-2
** Bug watch added: Debian Bug tracker #717423 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=717423 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1164083 Title: libreoffice spams stdout with "Fontconfig warning: ignoring C.UTF-8: not a valid language tag" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fontconfig/+bug/1164083/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
