It is a problem with your font. In PDF file, the main font is CharterBT which seems to not support extended Latin. You can change it with Edit → Change preview font, please try that.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1942434 Title: Ugly non-US characters in Preview mode and PDF export To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/retext/+bug/1942434/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs