EDITING MEDIAEVAL TEXTS FROM A DIFFERENT ANGLE: SLAVONIC AND MULTILINGUAL TRADITIONS. TOGETHER WITH FRANCIS J. THOMSON’S BIBLIOGRAPHY AND CHECKLIST OF SLAVONIC TRANSLATIONS, To Honour Francis J. Thomson on the Occasion of His 80th Birthday Together with Proceedings of the ATTEMT Workshop held at King’s College, London, 19-20 December 2013and the ATTEST Workshop held at the University of Regensburg, 11-12 December 2015