Reproduction Steps:
1. Open User's project
2. Notice that there are two Text Meshes
3. Notice that they have Box Collider Component added on them to make it easier to see the bounds
4. Notice that the Collider of Left Text Mesh is fully around it
5. Notice that the font of Left Text Mesh is in .otf file format
6. Notice that the Collider of Right Text Mesh is around the text, but is ignoring accent
7. Notice that the font of Right Text Mesh is in .ttf file format

Reproduced on versions: Unity 5.3.6f1, 5.3.6p7, 5.4.2f1, 5.5.0b8