Is this perhaps related to the following debian bug? https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=799956
** Bug watch added: Debian Bug tracker #799956 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=799956 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1535458 Title: [15.10 REGRESSION] Randomly wrongly detects files as binary To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grep/+bug/1535458/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs