JabRef version 3.8.2 and JabRef-4.0.0-dev--snapshot--2017-01-29--masr--7191a7055.jar
on Linux LMDE Betsy

Steps to reproduce:

1. Create a new entry
2. As title of the article, type L'oscillation (for example)
3. In the table entry, the title is displayed as Lòscillation
   Note: the display is OK in the entry preview