If I understand all the comments correctly, this appears to be a bug in FontForge, reporting warnings for things that are actually standard practice, rather than a bug in the Ubuntu font. Please reopen if I've misunderstood.
** Changed in: ubuntu-font-family Status: Triaged => Incomplete ** Also affects: fontforge (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/632267 Title: [4 mod] Technical: reverse-mapped 'μΔfifl' (detected by warning in FontForge) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-font-family/+bug/632267/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs