U+FEFF is the code point for a byte order mark (BOM). Your .t2t file most likely contain data saved in UTF-16. Please use UTF-8 instead.
Best regards Florent -- FLOSS Engineer & Lawyer -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org