Thanks for the detail, indeed it was fixed in https://packages.qa.debian.org/s/shared-mime- info/news/20150919T193529Z.html
The new package has been synced to Ubuntu https://launchpad.net/ubuntu/+source/shared-mime-info/1.5-2 ** Changed in: shared-mime-info (Ubuntu) Importance: Undecided => High ** Changed in: shared-mime-info (Ubuntu) Status: Incomplete => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1485217 Title: Magic for text/x-tex broken To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shared-mime-info/+bug/1485217/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs